JPH0369533A - Joint strengthened glass pipe, strengthening method for joint of glass pipe and connecting system for glass pipe - Google Patents
Joint strengthened glass pipe, strengthening method for joint of glass pipe and connecting system for glass pipeInfo
- Publication number
- JPH0369533A JPH0369533A JP20552489A JP20552489A JPH0369533A JP H0369533 A JPH0369533 A JP H0369533A JP 20552489 A JP20552489 A JP 20552489A JP 20552489 A JP20552489 A JP 20552489A JP H0369533 A JPH0369533 A JP H0369533A
- Authority
- JP
- Japan
- Prior art keywords
- joint
- glass tube
- sprayed
- joint part
- strengthened
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000011521 glass Substances 0.000 title claims abstract description 136
- 238000000034 method Methods 0.000 title claims abstract description 29
- 239000006058 strengthened glass Substances 0.000 title claims abstract description 8
- 238000005728 strengthening Methods 0.000 title claims abstract description 8
- 238000007751 thermal spraying Methods 0.000 claims abstract description 22
- 239000000463 material Substances 0.000 claims abstract description 10
- 239000007921 spray Substances 0.000 claims description 8
- 238000003780 insertion Methods 0.000 claims description 7
- 230000037431 insertion Effects 0.000 claims description 7
- 238000002844 melting Methods 0.000 claims description 7
- 230000008018 melting Effects 0.000 claims description 7
- 230000002093 peripheral effect Effects 0.000 claims description 7
- 230000003014 reinforcing effect Effects 0.000 claims description 4
- 239000011347 resin Substances 0.000 abstract description 9
- 229920005989 resin Polymers 0.000 abstract description 9
- 238000004519 manufacturing process Methods 0.000 abstract description 6
- 239000004677 Nylon Substances 0.000 abstract description 4
- 229920001778 nylon Polymers 0.000 abstract description 4
- 229920006362 Teflon® Polymers 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 abstract description 3
- 238000010438 heat treatment Methods 0.000 abstract description 3
- 238000005507 spraying Methods 0.000 abstract description 2
- 230000002180 anti-stress Effects 0.000 abstract 2
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 238000010828 elution Methods 0.000 description 6
- 239000012530 fluid Substances 0.000 description 4
- 230000002787 reinforcement Effects 0.000 description 3
- 239000004809 Teflon Substances 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000008155 medical solution Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229920005177 Duracon® POM Polymers 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000002386 leaching Methods 0.000 description 1
- -1 polyethylene Polymers 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Landscapes
- Re-Forming, After-Treatment, Cutting And Transporting Of Glass Products (AREA)
- Joining Of Glass To Other Materials (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野］
この発明は、ジヨイント強化ガラス管、ガラス管のジヨ
イント強化方法およびガラス管接続方式［従来の技術］
配管されるガラス管のジヨイント部に引っ張り応力や、
温度変化による熱応力等の応力がかかるため、従来では
、第３図に示すように、ガラス管５１のジヨイント部５
２の外周全周にガラス管と同質材料で接続方向に円錐状
に広がるフェルール５３を継ぎ足して、ジヨイント部５
２の耐応力強度を上げるようにしている。また、ガラス
管５１の端面には、保合溝５４が形成される。[Detailed Description of the Invention] [Industrial Field of Application] This invention relates to a joint-strengthened glass tube, a joint-strengthening method for glass tubes, and a glass tube connection method [Prior Art] or,
Conventionally, as shown in FIG. 3, the joint portion 5 of the glass tube 51 is
A ferrule 53 made of the same material as the glass tube and extending conically in the connection direction is added to the entire outer circumference of the joint part 5.
We are trying to increase the stress resistance of 2. Furthermore, a retaining groove 54 is formed in the end surface of the glass tube 51.
このガラス管同士を接続する従来のガラス管接続方式で
は、第４図に示すように、」―述のガラス管５１と、ス
リット５５を有し、フェルール５３の外周にそれぞれ当
接される石綿製のインサート５６と、係合溝５４に係合
する係合凸部５７、両ガラス管５１の内径とほぼ同一の
径の挿通口５８およびボルト５９を嵌挿する挿通ロ６０
を有し、ガラス管５１の端面間に当接されるゴム製のガ
スケット６１と、インサート５６と接続方向内方に当接
される当接部６２を有し、接続方向にボルトじめされる
一対のフランジ６３とを備える。In the conventional glass tube connection method for connecting glass tubes to each other, as shown in FIG. an insert 56, an engagement protrusion 57 that engages with the engagement groove 54, an insertion hole 58 with a diameter that is approximately the same as the inner diameter of both glass tubes 51, and an insertion rod 60 into which the bolt 59 is inserted.
It has a rubber gasket 61 that abuts between the end faces of the glass tube 51, and an abutment part 62 that abuts the insert 56 inward in the connection direction, and is bolted in the connection direction. A pair of flanges 63 are provided.
［発明が解決しようとする課題］
しかし、フェルールを継ぎ足すには熟練を要するため、
フェルールを継ぎ足してジヨイント部の耐応力強度を上
げたガラス管は、高価である。[Problem to be solved by the invention] However, since adding ferrules requires skill,
Glass tubes with added ferrules to increase stress resistance at the joint are expensive.
また、このようなフェルールを継ぎ足すには、ガラス管
の生産現場で行なわねばならず、ガラス管の配管現場で
行なうことはできなかった。Furthermore, in order to add such ferrules, it had to be done at the glass tube production site, and could not be done at the glass tube piping site.
また、フェルールを継ぎ足してジヨイント部の強度を上
げても、配管時や、配管後にジヨイント部に予測以上に
応力がかかった場合、フェルールを含めてジヨイント部
分からひびが入りゃすく、ときにはジヨイント部分が粉
々に壊れることがあった。In addition, even if you increase the strength of the joint by adding ferrules, if more stress than expected is applied to the joint during or after piping, cracks may appear from the joint, including the ferrule, and sometimes the joint will crack. Sometimes it broke into pieces.
本発明は、上述の技術的課題を解決し、安価に、かつ、
配管現場でもジヨイント部を強化することができ、しか
も、配管時や、配管後にジヨイント部に予測以上に応力
がかかった場合においても、ガラス管のジヨイント部分
からひびが入りにくく、ジヨイント部分が粉々に壊れる
ことのないジヨイント強化ガラス管、ガラス管のジヨイ
ント強化方法およびガラス管接続方式を提供することを
目的とする。The present invention solves the above-mentioned technical problems, inexpensively, and
It is possible to strengthen the joint part at the piping site, and even if more stress than expected is applied to the joint part during piping or after piping, the joint part of the glass tube is less likely to crack and shatter. The purpose of the present invention is to provide a joint-strengthened glass tube that does not break, a method for strengthening the joint of a glass tube, and a glass tube connection method.
［課題を解決するための手段］
このような目的を遠戚するために、本発明は、次のよう
な構成をとる。[Means for Solving the Problems] In order to distantly achieve such an object, the present invention has the following configuration.
すなわち、請求項（１）のジヨイント強化ガラス管は、
ガラス管の耐応力強化すべきジヨイント部の外面全周ま
たは内面全周に溶射され、肉盛される溶射部を含む。That is, the joint strengthened glass tube of claim (1) is
It includes a thermal sprayed part that is thermally sprayed and overlaid on the entire outer or inner circumference of the joint part of the glass tube that is to be reinforced with stress resistance.
請求項（２）のガラス管のジヨイント強化方法は、ガラ
ス管の耐応力強化すべきジヨイント部をほぼ溶融点まで
加熱し、ジヨイント部の外面全周または内面全周に溶射
拐料を溶射し、溶Ｕｔ ＋４料により肉盛して溶射部を
形成するものである。The method for strengthening the joint of a glass tube according to claim (2) heats the joint portion of the glass tube whose stress resistance is to be strengthened to approximately the melting point, and sprays a thermal spray coating material over the entire outer circumference or inner circumference of the joint portion. The thermal sprayed part is formed by overlaying with molten Ut+4 material.
請求項（３）のガラス管接続方式は、直管状に形＝ ５
＝
威された雄型のガラス管の耐応力強化すべきジヨイント
部の外面全周、または、雄型のガラス管のジヨイント部
と嵌合可能な雌型のガラス管の耐応力強化すべきジヨイ
ント部の内面全周の少なくとも一方に溶射・肉盛され、
両ジヨイント部を接続する溶射部を含むものである。The glass tube connection method of claim (3) has a straight tube shape = 5
= The entire outer surface of the joint part of a male glass tube that should be strengthened in stress resistance, or the joint part of a female glass tube that can be fitted with the joint part of a male glass tube that should be strengthened in stress resistance. Thermal spraying and overlaying is applied to at least one of the entire inner circumference of the
It includes a sprayed part that connects both joint parts.
請求項（４）のガラス管接続方式は、請求項（３）のも
のに、さらに、前記雄型のガラス管のジヨイント部の外
周面と、雌型のガラス管のジヨイント部の端面との間に
わたって溶射される溶射補強部を含むものである。The glass tube connection method of claim (4) is the same as that of claim (3), further comprising: between the outer peripheral surface of the joint portion of the male glass tube and the end surface of the joint portion of the female glass tube. This includes a thermally sprayed reinforcement section that is thermally sprayed over the entire length.
請求項（５）のガラス管接続方式は、請求項（３）また
は（４）のものに、さらに、少なくとも前記雌型のガラ
ス管のジヨイント部を外囲する収縮チューブを含むもの
である。The glass tube connection method of claim (5) is the same as that of claim (3) or (4), further including a shrink tube surrounding at least the joint portion of the female glass tube.
請求項（６）のガラス管接続方式は、接続方向にテーパ
ー状に開口した開口部を備え、少なくとも開口部を含め
て耐応力強化すべきジヨイント部の外面全周に溶射・肉
盛される溶射部を有する一対のガラス管と、
一対のガラス管の開口部の内面全周にそれぞれ当接され
る傾斜部、両ガラス管の端面全周にそれぞれ当接される
ガスケット部および両ガラス管の内径とほぼ同一の径の
押通口を備え、弾性および非溶出性を有するスリーブと
、
開口部外周の溶射部と接続方向内方に当接される当接部
を有し、両ガラス管を接続する接続手段とを含むもので
ある。The glass tube connection method according to claim (6) has an opening that is tapered in the connection direction, and includes thermal spraying and overlaying on the entire outer surface of the joint part that is to be strengthened in stress resistance, including at least the opening. a pair of glass tubes having a section, an inclined section that abuts the entire inner circumference of the opening of the pair of glass tubes, a gasket section that abuts the entire circumference of the end surface of both glass tubes, and an inner diameter of both glass tubes. It has an elastic and non-elution sleeve with a push-through opening of approximately the same diameter as the opening, and an abutment part that abuts inward in the connection direction with the thermal sprayed part on the outer periphery of the opening, connecting both glass tubes. and a connecting means for connecting.
［作用コ
請求項（１）のジヨイント強化ガラス管においては、溶
射部は、ガラス管の少なくともジヨイント部の外面全周
または内面全周に溶射され、肉盛される。[Function] In the joint-strengthened glass tube of claim (1), the thermal sprayed portion is thermally sprayed and built up over the entire outer or inner surface of at least the joint portion of the glass tube.
請求項（２）のガラス管のジヨイント強化方法において
は、溶射すべきガラス管のジヨイント部をほぼ溶融点ま
で加熱し、ジヨイント部の外面全周または内面全周に溶
射材料を溶射し、溶射材料により肉盛して溶射部が形成
される。In the method for strengthening the joint of a glass tube according to claim (2), the joint portion of the glass tube to be thermally sprayed is heated to approximately the melting point, and the thermal spraying material is thermally sprayed over the entire outer circumference or the inner circumference of the joint portion. The sprayed part is formed by overlaying.
請求項（３）のガラス管接続方式においては、溶射部は
、直管状に形成された雄型のガラス管の耐応力強化すべ
きジヨイント部の外面全周、または、雄型のガラス管の
ジヨイント部と嵌合可能な雌型のガラス管の耐応力強化
すべきジヨイント部の内面全周の少なくとも一方に溶射
・肉盛され、両ジヨイント部を特徴する
請求項（４）のガラス管接続方式においては、請求項（
３）のものに、さらに、溶射補強部は、前記雄型のガラ
ス管のジヨイント部の外周面と、雌型のガラス管のジヨ
イント部の端面との間にわたって溶射される。In the glass tube connection method according to claim (3), the thermal spraying portion is formed around the entire outer surface of the joint portion of the straight male glass tube that is to be strengthened in stress resistance, or the joint portion of the male glass tube. The glass tube connection method according to claim 4, wherein at least one of the entire inner circumference of the joint part to be strengthened in stress resistance of the female glass tube that can be fitted with the joint part is thermally sprayed and overlaid, and both joint parts are characterized by is the claim (
In addition to 3), the sprayed reinforcing portion is sprayed between the outer peripheral surface of the joint portion of the male glass tube and the end surface of the joint portion of the female glass tube.
請求項（５）のガラス管接続方式におていは、請求項（
３）または（４）のものに、さらに、収縮チューブは、
前記雌型のガラス管のジヨイント部を特徴する
請求項（６）のガラス管接続方式においては、対のガラ
ス管は、接続方向に端部の開口したジヨイント部の外面
全周に溶射・肉盛される溶射部を有する。In the glass tube connection method of claim (5), claim (
In addition to 3) or (4), the shrink tube is
In the glass tube connection method according to claim 6, wherein the joint portion of the female glass tube is characterized in that the pair of glass tubes is thermally sprayed and overlaid on the entire outer surface of the joint portion with an open end in the connection direction. It has a thermal sprayed part.
スリーブは、一対のガラス管のジヨイント部の内面全周
にそれぞれ当接される傾斜部、両ガラス管のジヨイント
部の端面全周にそれぞれ当接されるガスケット部および
両ガラス管の内径とほぼ同一の径の挿通口を備え、弾性
および非溶出性を有する。The sleeve has an inclined part that abuts the entire inner circumference of the joint parts of the pair of glass tubes, a gasket part that abuts the entire circumference of the end faces of the joint parts of both glass tubes, and an inner diameter that is approximately the same as that of both glass tubes. It has an insertion port with a diameter of
接続手段は、開口部外周の溶射部と接続方向内方に当接
される当接部を有し、両ガラス管を接続する。The connecting means has a thermally sprayed part on the outer periphery of the opening and an abutting part that abuts inward in the connection direction, and connects both glass tubes.
［実施例］ 以下、図面に基づいて、本発明の詳細な説明する。[Example] Hereinafter, the present invention will be described in detail based on the drawings.
第１図は、本発明の一実施例の一部切り欠き断面図であ
る。FIG. 1 is a partially cutaway sectional view of an embodiment of the present invention.
雄型のガラス管１の耐応力強化すべきジヨイント部２は
、はぼ溶融点まで加熱される。加熱が終わると、ジヨイ
ント部２の外周全面には、テフロン、ナイロン、ポリエ
チレン等の微粉末の樹脂材料が溶射ガンで溶射され、肉
盛される溶射部３が形成される。The joint portion 2 of the male glass tube 1 that is to be reinforced with stress resistance is heated almost to its melting point. After the heating is completed, a finely powdered resin material such as Teflon, nylon, polyethylene, etc. is thermally sprayed on the entire outer circumference of the joint portion 2 using a thermal spray gun, thereby forming a thermal sprayed portion 3 that is overlaid.
このような、溶射部３の形成は、ガラス管１の製造現場
や、配管現場で行なうことができる。し９
かも、特別の技術を必要とせず、安価にジヨイント部２
を耐応力強化することができる。Such formation of the sprayed portion 3 can be performed at the manufacturing site of the glass tube 1 or at the piping site. 9 It is also possible to form the joint part 2 at low cost without requiring any special technology.
The stress resistance can be strengthened.
雌型のガラス管４のジヨイント部５は、その内径がガラ
ス管１の外径よりも少し太きく形成され、ガラス管１の
ジヨイント部２に嵌合可能である。The joint part 5 of the female glass tube 4 is formed so that its inner diameter is slightly larger than the outer diameter of the glass tube 1, and can be fitted into the joint part 2 of the glass tube 1.
溶射部３が溶融している間に、または溶射部３を加熱し
て溶融させて、このジヨイント部５に雄型のガラス管１
のジヨイント部２が挿入される。したがって、溶射部３
は、ジヨイント部５の内周面に装着される。溶射部３と
ジヨイント部５との密着性がよくない場合には、ジヨイ
ント部５を加熱する。これによって、溶射部３とジヨイ
ント部５とが強固に一体化される。While the thermal spraying part 3 is melting, or by heating and melting the thermal spraying part 3, a male glass tube 1 is inserted into the joint part 5.
The joint portion 2 is inserted. Therefore, the thermal spraying part 3
is attached to the inner peripheral surface of the joint portion 5. If the adhesion between the sprayed part 3 and the joint part 5 is not good, the joint part 5 is heated. As a result, the sprayed part 3 and the joint part 5 are firmly integrated.
なお、ジヨイント部５の端面に付着したパリは、取り除
かれる。また、溶射部３の幅り。は、ガラス管１の外径
の直径り、の０７倍以上であることが好ましい。Incidentally, the debris adhering to the end face of the joint portion 5 is removed. Also, the width of the sprayed part 3. is preferably at least 0.7 times the outer diameter of the glass tube 1.
したがって、ジヨイント部２とジヨイント部５とが溶射
部３によって強固に一体化され、ガラス管１とガラス管
４とを容易に配管することができ１０
る。また、ジヨイント部５を簡単に耐応力強化すること
ができる。また、配管時にジヨイント部２５にほとんど
応力がかからないのでジヨイント部２．５にひびが入る
ことがない。さらに、配管後にジヨイント部２．５に予
測以」二に応力がかかった場合においても、溶射部３に
よって応力強化されるとともに、溶射部３に一体化され
ているので、ジヨイント部分２．５からひびが入りにく
く、ジヨイント部分２，５が粉々に壊れることはない。Therefore, the joint part 2 and the joint part 5 are firmly integrated by the thermal spraying part 3, and the glass tube 1 and the glass tube 4 can be easily connected. Moreover, the stress resistance of the joint portion 5 can be easily strengthened. Moreover, since almost no stress is applied to the joint part 25 during piping, the joint part 2.5 will not be cracked. Furthermore, even if more stress than expected is applied to the joint part 2.5 after piping, the stress is strengthened by the thermal sprayed part 3, and since it is integrated with the thermal sprayed part 3, the joint part 2.5 It is difficult to crack and the joint parts 2 and 5 will not break into pieces.
なお、この実施例では、両ガラス管１．４の接続をより
強固にするために、ジヨイント部５の端面およびジヨイ
ント部２の外周面に、樹脂が溶射ガンでテーパー状に溶
射・肉盛される溶射補強部６が形成される。In this embodiment, in order to further strengthen the connection between both glass tubes 1.4, resin is thermally sprayed and overlaid in a tapered shape on the end face of the joint part 5 and the outer peripheral surface of the joint part 2 using a thermal spray gun. A thermally sprayed reinforcing portion 6 is formed.
したがって、ジヨイント部２とジヨイント部５とが強固
に一体化され、ジヨイント部２とジヨイント部５とが離
れてガラス管１．４の脱落するのが防止される。また、
溶射補強部６がテーパー状に形成されるため、ジヨイン
ト部５の端面の引っかかりがなくなり、傷がつきにくく
なるとともに、後述する収縮チューブ７との密着性が向
上される。Therefore, the joint part 2 and the joint part 5 are firmly integrated, and the glass tube 1.4 is prevented from coming apart due to the joint part 2 and the joint part 5 being separated. Also,
Since the thermal spray reinforcement part 6 is formed in a tapered shape, the end face of the joint part 5 is not caught, is less likely to be scratched, and the adhesion with the shrinkable tube 7 described later is improved.
また、この実施例では、ジヨイント部５の外周には、熱
収縮性を有する収縮チューブ７が挿入され、熱収縮され
る。収縮チューブ７は、ジヨイント部５を外囲する。Furthermore, in this embodiment, a heat-shrinkable shrink tube 7 is inserted into the outer periphery of the joint portion 5 and is heat-shrinked. The shrink tube 7 surrounds the joint portion 5.
したがって、ジヨイント部５に傷がつくことが防止され
、ジヨイント部５を図示しないノ＼ンガーで止めること
ができ、しかも、美観を向上させることができる。Therefore, the joint part 5 is prevented from being damaged, the joint part 5 can be fixed with a not-shown knife, and the appearance can be improved.
なお、本発明の他の実施例として、ジヨイント部５の内
周面全周に樹脂を溶射・肉盛して溶射部を形成しジヨイ
ント部５を耐応力強化するようにしてもよい。In addition, as another embodiment of the present invention, a resin may be thermally sprayed and overlaid on the entire inner peripheral surface of the joint part 5 to form a thermally sprayed part to strengthen the stress resistance of the joint part 5.
第２図は、本発明の他の実施例の分解断面図である。FIG. 2 is an exploded sectional view of another embodiment of the invention.
一対のガラス管１１．１２は、いわゆるラッパ管であり
、接続方向３１．３２に開口した開口部１５．開口部１
６を備える。耐応力強化すべきジヨイント部１３゜１４
には、開口部１５．１６が含められる。ジヨイント部１
３．１４の外面全周には、樹脂が溶射・肉盛される溶射
部１７．１８がそれぞれ形成される。The pair of glass tubes 11.12 are so-called wrapper tubes, and have openings 15.32 open in the connection direction 31.32. Opening 1
6. Joint part 13°14 to be strengthened in stress resistance
includes an opening 15.16. Joint part 1
Thermal sprayed portions 17 and 18 to which resin is thermally sprayed and overlaid are formed around the entire outer surface of 3.14, respectively.
このような、溶射部１７．１８の形成は、ガラス管１１
、１２の製造現場や、配管現場で行なうことができる。The formation of such thermal sprayed parts 17 and 18 is performed by forming the glass tube 11.
, 12 manufacturing sites and piping sites.
しかも、特別の技術を必要とせず、安価にジヨイント部
１３．１４を耐応力強化することができる。Furthermore, the stress resistance of the joint portions 13 and 14 can be strengthened at low cost without requiring special techniques.
スリーブ１９は、テフロン、ナイロン、ジュラコン等の
弾性および非溶出性の樹脂製からなり、開口部１５．１
６の内面全周に当接される傾斜部２０．２１と、開口部
１５．１６の端面にそれぞれ当接されるガスケット部２
２と、ガラス管１１．１２の内径とほぼ同一の径の挿通
口２３を有する。The sleeve 19 is made of elastic and non-leaching resin such as Teflon, nylon, and Duracon, and has an opening 15.1.
6, and the gasket portion 2 contacts the end face of the opening 15.16, respectively.
2, and an insertion opening 23 having a diameter that is approximately the same as the inner diameter of the glass tube 11, 12.
接続手段としてのフランジ２４．２５は、ナイロン、グ
イフロン等の樹脂製や、ステンレス等の金属製からなり
、溶射部１７．１８と接続方向内方３３．３４に当接さ
れる当接部２６．２７を有し、接続方向３１．３２にボ
ルトじめされる。The flange 24.25 serving as a connection means is made of resin such as nylon or guiflon, or metal such as stainless steel, and has a contact portion 26. 27 and is bolted in the connection direction 31.32.
開口部１５．１６の内面全周は、スリーブ１９の傾斜部
２０．２１に強固に当接され、密着される。また、開口
部１５．１６の端面ば、スリーブ１９のガスケット３
部２２に、強固に当接され、密着される。また、フラン
ジ２４．２５の当接部２６．２７部は、溶射部１７．１
８に当接当接され、密着される。The entire inner circumference of the opening 15.16 is firmly abutted against the sloped portion 20.21 of the sleeve 19 and is in close contact with it. In addition, the end surfaces of the openings 15 and 16 are firmly abutted against and in close contact with the gasket 3 portion 22 of the sleeve 19. Further, the abutting portion 26.27 of the flange 24.25 is the thermal sprayed portion 17.1.
8 and are in close contact with each other.
したがって、開口部１５と開口部１６とがスリーブ１９
、溶射部１７．１８およびフランジ２４．２５によって
強固に一体化され、ガラス管１１とガラス管１２とを容
易に配管することができる。また、ガラス管１１゜１２
の開口部１５．１６とスリーブ１９の間から、漏れが生
じることはない。また、開口部１５．１６にフランジ２
４．２５が直接当接することがないので、開口部１５、
１６に傷がつくことが防止される。また、配管時に開口
部１５．１６には、圧縮応力がかかるが、溶射部１７．
１８によって耐応力強化されているので、ジヨイント部
１３．１４にひびが入ることがない。さらに、配管後に
ジヨイント部１３．１４に予測以上に応力がかかった場
合においても、溶射部１７．１８によって耐応力強化さ
れ、ジヨイント部１３と溶射部１７とが一体化され、ジ
ヨイント部１４と溶射部１８とが一体化されているので
、ジヨイント部１３．１４からひびが入りにくく、ジヨ
イント部１３．１４が粉々 １４ −
に壊れることはない。また、スリーブ１９が非溶出性を
有するので、ガラス管１１．１２を流れる薬液等の流体
について使用しても、スリーブ１９から溶出がおこるこ
とはなく、どのような流体についても使用できる。Therefore, the opening 15 and the opening 16 are connected to the sleeve 19.
, the sprayed part 17.18 and the flange 24.25, and the glass tube 11 and the glass tube 12 can be easily connected to each other. Also, glass tube 11°12
No leakage can occur between the openings 15, 16 of the sleeve 19 and the sleeve 19. Additionally, a flange 2 is provided in the opening 15.16.
4.25 does not come into direct contact with the opening 15,
16 is prevented from being scratched. Also, compressive stress is applied to the openings 15.16 during piping, but the thermal sprayed portions 17.
18, the joint portions 13 and 14 will not crack. Furthermore, even if more stress than expected is applied to the joint portion 13.14 after piping, the thermal sprayed portion 17.18 strengthens the stress resistance, the joint portion 13 and the thermal sprayed portion 17 are integrated, and the joint portion 14 and the thermal sprayed portion Since the joint part 18 is integrated with the joint part 13.14, it is difficult for cracks to form from the joint part 13.14, and the joint part 13.14 will not be broken into pieces. Moreover, since the sleeve 19 has non-elution properties, even when used with fluids such as medical solutions flowing through the glass tubes 11 and 12, elution does not occur from the sleeve 19, and any fluid can be used.
なお、本発明の他の実施例として、ジヨイント部１３．
１４を開口部１５．１６のみとして実施するようにして
もよい。In addition, as another embodiment of the present invention, the joint portion 13.
14 may also be implemented as only an opening 15, 16.
また、ジヨイント部１３．１４を開口部１５．１６のみ
とし開口部１５．１６の内周面全周に樹脂を溶射・肉盛
して溶射部を形成するようにしてもよい。Alternatively, the joint portion 13.14 may include only the opening 15.16, and the thermal sprayed portion may be formed by thermal spraying and overlaying resin all over the inner peripheral surface of the opening 15.16.
さらに、上述の実施例では樹脂で溶射・肉盛して溶射部
を形成するようにしたが、本発明の他の実施例として、
銅等の金属や、セラミックで溶射・肉盛して溶射部を形
成するようにしてもよい。Furthermore, in the above-mentioned embodiment, the sprayed portion was formed by thermal spraying and overlaying with resin, but as another embodiment of the present invention,
The sprayed portion may be formed by thermal spraying or overlaying with metal such as copper or ceramic.
［発明の効果］
請求項（１）のジヨイント強化ガラス管においては、溶
射部を、ガラス管の少なくともジヨイント部の外面全周
または内面全周に溶射し、肉盛するようにしている。[Effects of the Invention] In the joint-strengthened glass tube according to claim (1), the thermal sprayed portion is thermally sprayed and built up over the entire outer surface or inner surface of at least the joint portion of the glass tube.
したがって、特殊な熟練を要せず安価なガラス管に溶射
を行なうことができ、しかも、ガラス管の製造現場や、
ガラス管の配管現場等どこでも行なうことができる。ま
た、溶射部により、ジヨイント部を耐応力強化すること
ができる。さらに、溶射部により、ジヨイント部に応力
がかかった場合においても、ガラス管のジヨイント部分
からひびが入りにくく、ジヨイント部分が粉々に壊れる
ことがない。Therefore, thermal spraying can be carried out on inexpensive glass tubes without requiring special skill, and it can be used at the manufacturing site of glass tubes.
It can be done anywhere, such as at glass pipe piping sites. Moreover, the stress resistance of the joint part can be strengthened by the thermal spraying part. Furthermore, even when stress is applied to the joint part due to the thermal spraying, cracks do not easily form at the joint part of the glass tube, and the joint part does not break into pieces.
請求項（２）のガラス管のジヨイント強化方法において
は、溶射すべきガラス管のジヨイント部をほぼ溶融点ま
で加熱し、ジヨイント部の外面全周または内面全周に溶
射材料を溶射し、溶射材料により肉盛して溶射部を形成
するようにしている。In the method for strengthening the joint of a glass tube according to claim (2), the joint portion of the glass tube to be thermally sprayed is heated to approximately the melting point, and the thermal spraying material is thermally sprayed over the entire outer circumference or the inner circumference of the joint portion. The thermal sprayed part is formed by overlaying.
したがって、ガラスと溶射材料とが強固に一体化し、ガ
ラス管から溶射部が剥がれることがなく、ジヨイント部
を耐応力強化することができる。Therefore, the glass and the sprayed material are firmly integrated, the sprayed part does not peel off from the glass tube, and the stress resistance of the joint part can be strengthened.
請求項（３）のガラス管接続方式においては、溶射部を
、直管状に形成された雄型のガラス管の耐応力強化すべ
きジヨイント部の外面全周、または、雄型のガラス管の
ジヨイント部と嵌合可能な雌型のガラス管の耐応力強化
すべきジヨイント部の内面全周の少なくとも一方に溶射
・肉盛し、両ジヨイント部を接続するようにしている。In the glass tube connection method of claim (3), the thermal spraying portion is applied to the entire outer surface of the joint portion of the straight male glass tube to be strengthened in stress resistance, or to the joint of the male glass tube. At least one of the entire inner circumference of the joint part to be strengthened in stress resistance of a female glass tube that can be fitted with the joint part is thermally sprayed and overlaid to connect both joint parts.
したがって、雄型のガラス管のジヨイント部と雌型のガ
ラス管のジヨイント部とが溶射部によって強固に一体化
され、雄型のガラス管と雌型のガラス管とを容易に配管
することができる。また、雄型および雌型のガラス管の
ジヨイント部を簡単に耐応力強化することができる。ま
た、配管時に両ジヨイント部にほとんど応力がかからな
いので両ジヨイント部にひびが入ることがない。さらに
、配管後に両ジヨイント部に予測以上に応力がかかった
場合においても、溶射部によって応力強化されるととも
に、溶射部に一体化されているので、両ジヨイント部分
からひびが入りに＜＜、両ジヨイント部分が粉々に壊れ
ることはない。Therefore, the joint part of the male glass tube and the joint part of the female glass tube are firmly integrated by the sprayed part, and the male glass tube and the female glass tube can be easily connected. . Furthermore, the stress resistance of the joint portions of the male and female glass tubes can be easily strengthened. Furthermore, since almost no stress is applied to both joints during piping, there is no possibility of cracks occurring in both joints. Furthermore, even if more stress than expected is applied to both joints after piping, the stress will be strengthened by the thermal sprayed part, and since it is integrated into the thermal sprayed part, cracks will not occur from both joints. The joint part will not break into pieces.
請求項（４）のガラス管接続方式においては、請求項（
３）のものに、さらに、溶射補強部を、前記雄型のガラ
ス管のジヨイント部の外周面と、雌型１７
のガラス管のジヨイント部の端面との間にわたって溶射
するようにしている。In the glass tube connection method of claim (4), claim (
In addition to 3), a thermal spray reinforcing portion is further sprayed between the outer circumferential surface of the joint portion of the male glass tube and the end surface of the joint portion of the female glass tube 17.
したがって、両ジヨイント部が強固に一体化され、雄型
のガラス管のジヨイント部と雌型のガラス管のジヨイン
ト部とが離れて両ガラス管の脱落するのが防止される。Therefore, both the joint parts are firmly integrated, and the joint part of the male glass tube and the joint part of the female glass tube are prevented from separating and falling off.
請求項（５）のガラス管接続方式においては、請求項（
３）または（４）のものに、さらに、収縮チューブで、
前記雌型のガラス管のジヨイント部を外囲するようにし
ている。In the glass tube connection method of claim (5), claim (
3) or (4), with a shrink tube,
It surrounds the joint portion of the female glass tube.
したがって、雌型のガラス管のジヨイント部に傷がつく
ことが防止され、このジヨイント部をハンガーで止める
ことができ、しかも、美観を向上させることができる。Therefore, the joint part of the female glass tube is prevented from being damaged, the joint part can be fixed with a hanger, and the appearance can be improved.
請求項（６）のガラス管接続方式においては、接続方向
に端部の開口したジヨイント部の外面全周に溶射・肉盛
される溶射部を有する一対のガラス管と、
一対のガラス管のジヨイント部の内面全周にそれぞれ当
接される傾斜部、両ガラス管のジョイン８−
ト部の端面全周にそれぞれ当接されるガスケット部およ
び両ガラス管の内径とほぼ同一の径の挿通口を備え、弾
性および非溶出性を有するスリーブと、
開口部外周の溶射部と接続方向内方に当接される当接部
を有し、両ガラス管を接続する接続手段とを含むように
している。The glass tube connection method according to claim (6) includes: a pair of glass tubes having a thermal sprayed part that is thermally sprayed and overlaid on the entire outer surface of the joint part whose end is open in the connection direction; and a joint of the pair of glass tubes. an inclined part that abuts on the entire inner circumference of the joint part, a gasket part that abuts on the entire circumference of the end face of the joint part of both glass tubes, and an insertion opening with a diameter that is approximately the same as the inner diameter of both glass tubes. The glass tube includes a sleeve having elasticity and non-elution properties, and a connecting means for connecting both glass tubes, having an abutment portion that abuts the thermal sprayed portion on the outer periphery of the opening inward in the connection direction.
したがって、溶射部をガラス管の製造現場や、配管現場
で形成することができ、しかも、特別の技術を必要とせ
ず、安価にジヨイント部を耐応力強化することができる
。Therefore, the thermal sprayed portion can be formed at a glass tube manufacturing site or a piping site, and the stress resistance of the joint portion can be strengthened at low cost without requiring any special technology.
また、両ガラス管の開口部がスリーブ、溶射部および接
続手段によって強固に一体化され、両ガラス管を容易に
配管することができる。また、両ガラス管の開口部とス
リーブとの間から、漏れが生じることはない。また、両
開口部に接続手段が直接当接することがないので、開口
部に傷がつくことが防止される。また、配管時に両開口
部には、圧縮応力がかかるが、溶射部によって耐応力強
化されているので、ジヨイント部にひびが入ることかな
い。さらに、配管後にジヨイント部に予測以上に応力が
かかった場合においても、溶射部によって耐応力強化さ
れ、ジヨイント部と溶射部とが一体化されているので、
ジヨイント部からひびが入りにくく、ジヨイント部が粉
々に壊れることはない。また、スリーブが非溶出性を有
するので、両ガラス管を流れる薬液等の流体について使
用しても、スリーブから溶出がおこることはなく、どの
ような流体についても使用できる。Moreover, the openings of both glass tubes are firmly integrated by the sleeve, the thermal spraying part, and the connecting means, so that both glass tubes can be easily connected. Furthermore, no leakage occurs between the openings of both glass tubes and the sleeve. Furthermore, since the connecting means does not come into direct contact with both openings, damage to the openings is prevented. In addition, compressive stress is applied to both openings during piping, but since the stress resistance is strengthened by the thermal spraying, the joint will not crack. Furthermore, even if more stress than expected is applied to the joint part after piping, the thermal sprayed part strengthens the stress resistance, and since the joint part and the sprayed part are integrated,
Cracks do not easily form at the joint, and the joint does not break into pieces. Further, since the sleeve has non-elution properties, even when used with fluids such as medical solutions flowing through both glass tubes, no elution occurs from the sleeve, and any fluid can be used.
第１図は本発明の一実施例の一部切り欠き断面図、第２
図は本発明の他の実施例の分解断面図、第３図は従来の
ガラス管の一部切り欠き断面図、第４図は従来のガラス
管の接続方式を示す図である。
１、 ４．１１．１２・・ガラス管
２、５．１３．１４・・・ジヨイント部３、１７．１８
・・・溶射部
６・・・溶射補強部
７・・・収縮チューブ
１５、１６・・・開口部
１９・・・スリーブ
２０、２１・・・傾斜部
２２・・・ガスケット部
２３・・・挿通口
２４、２５・・・フランジ
２６、２７・・・当接部
３１、３２・・・接続方向
３３、３４・・・接続方向内方FIG. 1 is a partially cutaway sectional view of one embodiment of the present invention, and FIG.
The figure is an exploded sectional view of another embodiment of the present invention, FIG. 3 is a partially cutaway sectional view of a conventional glass tube, and FIG. 4 is a diagram showing a conventional glass tube connection method. 1, 4.11.12...Glass tube 2, 5.13.14...Joint part 3, 17.18
...Thermal spraying part 6...Thermal spraying reinforcement part 7...Shrink tubes 15, 16...Opening part 19...Sleeves 20, 21...Slanted part 22...Gasket part 23...Insertion Ports 24, 25... Flanges 26, 27... Contact parts 31, 32... Connection direction 33, 34... Inner connection direction
Claims (6)
全周または内面全周に溶射され、肉盛される溶射部を含
むことを特徴とするジョイント強化ガラス管。(1) A joint strengthened glass tube characterized by including a thermal sprayed part that is thermally sprayed and overlaid on the entire outer or inner circumference of the joint part of the glass tube whose stress resistance is to be strengthened.
溶融点まで加熱し、ジョイント部の外面全周または内面
全周に溶射材料を溶射し、溶射材料により肉盛して溶射
部を形成することを特徴とするガラス管のジョイント強
化方法。(2) Heat the joint part of the glass tube whose stress resistance is to be strengthened to almost the melting point, spray the thermal spray material all over the outer or inner circumference of the joint part, and build up the thermal spray material to form the thermal sprayed part. A method for strengthening joints of glass tubes.
すべきジョイント部の外面全周、または、雄型のガラス
管のジョイント部と嵌合可能な雌型のガラス管の耐応力
強化すべきジョイント部の内面全周の少なくとも一方に
溶射・肉盛され、両ジョイント部を接続する溶射部を含
むことを特徴とするガラス管接続方式。(3) The entire outer surface of the joint part of a straight male glass tube that should be reinforced with stress resistance, or the stress resistance of a female glass tube that can be fitted with the joint part of a male glass tube. A glass tube connection method characterized by including a thermal sprayed part that is thermally sprayed and overlaid on at least one of the entire inner circumference of the joint part to be strengthened, and that connects both joint parts.
雌型のガラス管のジョイント部の端面との間にわたって
溶射される溶射補強部を含むことを特徴とする請求項（
３）のガラス管接続方式。(4) an outer peripheral surface of the joint portion of the male glass tube;
A claim characterized in that it includes a thermal sprayed reinforcing portion that is thermally sprayed across the joint portion of the female glass tube and the end surface of the joint portion of the female glass tube.
3) Glass tube connection method.
外囲する収縮チューブを含むことを特徴とする請求項（
３）または（４）のガラス管接続方式。(5) Claim characterized in that it includes a shrink tube surrounding at least the joint portion of the female glass tube (
3) or (4) glass tube connection method.
少なくとも開口部を含めて耐応力強化すべきジョイント
部の外面全周に溶射・肉盛される溶射部を有する一対の
ガラス管と、 一対のガラス管の開口部の内面全周にそれぞれ当接され
る傾斜部、両ガラス管の端面全周にそれぞれ当接される
ガスケット部および両ガラス管の内径とほぼ同一の径の
挿通口を備え、弾性および非溶出性を有するスリーブと
、 開口部外周の溶射部と接続方向内方に当接される当接部
を有し、両ガラス管を接続する接続手段とを含むことを
特徴とするガラス管接続方式。(6) Equipped with an opening tapered in the connection direction,
A pair of glass tubes each having a thermally sprayed part that is thermally sprayed and overlaid on the entire outer surface of the joint part that is to be reinforced with stress resistance, including at least the opening, and a pair of glass tubes that are in contact with the entire inner circumference of the opening of the pair of glass tubes. a gasket part that abuts the entire circumference of the end surfaces of both glass tubes, an insertion opening with a diameter that is approximately the same as the inner diameter of both glass tubes, and an elastic and non-eluting sleeve; A glass tube connection method characterized by comprising a thermal spraying section and a connection means for connecting both glass tubes, having an abutment section that abuts inward in the connection direction.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20552489A JPH0369533A (en) | 1989-08-07 | 1989-08-07 | Joint strengthened glass pipe, strengthening method for joint of glass pipe and connecting system for glass pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20552489A JPH0369533A (en) | 1989-08-07 | 1989-08-07 | Joint strengthened glass pipe, strengthening method for joint of glass pipe and connecting system for glass pipe |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0369533A true JPH0369533A (en) | 1991-03-25 |
| JPH0525822B2 JPH0525822B2 (en) | 1993-04-14 |
Family
ID=16508310
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP20552489A Granted JPH0369533A (en) | 1989-08-07 | 1989-08-07 | Joint strengthened glass pipe, strengthening method for joint of glass pipe and connecting system for glass pipe |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0369533A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003020063A (en) * | 2001-07-06 | 2003-01-21 | Sumitomo Chem Co Ltd | Liquid pesticide or liquid fertilizer packaging |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0681138U (en) * | 1993-04-28 | 1994-11-15 | キンセキ株式会社 | Crystal oscillator |
-
1989
- 1989-08-07 JP JP20552489A patent/JPH0369533A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003020063A (en) * | 2001-07-06 | 2003-01-21 | Sumitomo Chem Co Ltd | Liquid pesticide or liquid fertilizer packaging |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0525822B2 (en) | 1993-04-14 |
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