JPH0578408B2 - - Google Patents
Info
- Publication number
- JPH0578408B2 JPH0578408B2 JP59059074A JP5907484A JPH0578408B2 JP H0578408 B2 JPH0578408 B2 JP H0578408B2 JP 59059074 A JP59059074 A JP 59059074A JP 5907484 A JP5907484 A JP 5907484A JP H0578408 B2 JPH0578408 B2 JP H0578408B2
- Authority
- JP
- Japan
- Prior art keywords
- contact surface
- synthetic resin
- horn
- ultrasonic sealing
- resin sheet
- 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.)
- Expired - Fee Related
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/02—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure
- B29C65/08—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor by heating, with or without pressure using ultrasonic vibrations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/10—Particular design of joint configurations particular design of the joint cross-sections
- B29C66/11—Joint cross-sections comprising a single joint-segment, i.e. one of the parts to be joined comprising a single joint-segment in the joint cross-section
- B29C66/112—Single lapped joints
- B29C66/1122—Single lap to lap joints, i.e. overlap joints
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/05—Particular design of joint configurations
- B29C66/20—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines
- B29C66/23—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being multiple and parallel or being in the form of tessellations
- B29C66/232—Particular design of joint configurations particular design of the joint lines, e.g. of the weld lines said joint lines being multiple and parallel or being in the form of tessellations said joint lines being multiple and parallel, i.e. the joint being formed by several parallel joint lines
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/01—General aspects dealing with the joint area or with the area to be joined
- B29C66/32—Measures for keeping the burr form under control; Avoiding burr formation; Shaping the burr
- B29C66/324—Avoiding burr formation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/40—General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
- B29C66/41—Joining substantially flat articles ; Making flat seams in tubular or hollow articles
- B29C66/43—Joining a relatively small portion of the surface of said articles
- B29C66/431—Joining the articles to themselves
- B29C66/4312—Joining the articles to themselves for making flat seams in tubular or hollow articles, e.g. transversal seams
- B29C66/43121—Closing the ends of tubular or hollow single articles, e.g. closing the ends of bags
- B29C66/43123—Closing the ends of squeeze tubes, e.g. for toothpaste or cosmetics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
- B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
- B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
- B29C66/81411—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat
- B29C66/81425—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined characterised by its cross-section, e.g. transversal or longitudinal, being non-flat being stepped, e.g. comprising a shoulder
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/80—General aspects of machine operations or constructions and parts thereof
- B29C66/81—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps
- B29C66/814—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps
- B29C66/8141—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined
- B29C66/81433—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined being toothed, i.e. comprising several teeth or pins, or being patterned
- B29C66/81435—General aspects of the pressing elements, i.e. the elements applying pressure on the parts to be joined in the area to be joined, e.g. the welding jaws or clamps characterised by the design of the pressing elements, e.g. of the welding jaws or clamps characterised by the surface geometry of the part of the pressing elements, e.g. welding jaws or clamps, coming into contact with the parts to be joined being toothed, i.e. comprising several teeth or pins, or being patterned comprising several parallel ridges, e.g. for crimping
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C66/00—General aspects of processes or apparatus for joining preformed parts
- B29C66/70—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material
- B29C66/73—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/739—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset
- B29C66/7392—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic
- B29C66/73921—General aspects of processes or apparatus for joining preformed parts characterised by the composition, physical properties or the structure of the material of the parts to be joined; Joining with non-plastics material characterised by the intensive physical properties of the material of the parts to be joined, by the optical properties of the material of the parts to be joined, by the extensive physical properties of the parts to be joined, by the state of the material of the parts to be joined or by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of the parts to be joined being a thermoplastic or a thermoset characterised by the material of at least one of the parts being a thermoplastic characterised by the materials of both parts being thermoplastics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
- B29L2023/20—Flexible squeeze tubes, e.g. for cosmetics
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Apparatuses For Generation Of Mechanical Vibrations (AREA)
Description
【発明の詳細な説明】
本発明は、合成樹脂製チユーブ容器等の合成樹
脂製シート状体で成形される製品を成形するのに
際して、この合成樹脂製シート状体を密に溶着す
るのに使用される超音波シール用ホーンに関する
もので、さらに詳言すれば、超音波シールされる
合成樹脂製品のシール部分の外観を良くすること
を目的としたものである。DETAILED DESCRIPTION OF THE INVENTION The present invention is used for tightly welding synthetic resin sheet materials when molding products made of synthetic resin sheet materials such as synthetic resin tube containers. The present invention relates to a horn for ultrasonic sealing, and more specifically, its purpose is to improve the appearance of the seal portion of synthetic resin products that are ultrasonically sealed.
また、他の目的は、より強固でかつ密な溶着シ
ールを達成することにある。 Another objective is to achieve a stronger and tighter weld seal.
押出し成形された熱可塑性合成樹脂製のシート
体とかチユーブ体とかを接着する方法として超音
波接着法が多く使用されている。 Ultrasonic bonding is often used to bond extruded thermoplastic synthetic resin sheets or tubes.
この超音波接着法は、超音波に従つて振動する
ホーンの接触面を、重合された合成樹脂製シート
状体のシール予定部分に押圧して発熱させ、もつ
て両合成樹脂製シート状体同志を溶着するのであ
るが、このように合成樹脂製シート状体同志を溶
着させる際に、ホーンをこの合成樹脂製シート状
体に押圧しなければならないので、下記の如き欠
点が生じていた。 In this ultrasonic bonding method, the contact surface of a horn that vibrates according to ultrasonic waves is pressed against the sealing area of a polymerized synthetic resin sheet to generate heat, thereby bonding both synthetic resin sheets together. However, when welding the synthetic resin sheet bodies together in this manner, the horn must be pressed against the synthetic resin sheet bodies, resulting in the following drawbacks.
すなわち、シール部分から溶けた樹脂材料がは
み出して、シール部分の外観を悪化させること、
また合成樹脂製シート状体に加えられる機械的衝
撃である超音波に従つた振動によつて、ホーンに
接触している合成樹脂製シート状体から粉状とな
つた合成樹脂材料が飛び散る。所謂“粉飛”によ
りシール部分お周りが汚れた状態となること、さ
らに溶着ムラ等により耐内容物性が低下すること
等の欠点があつた。 In other words, the melted resin material may protrude from the sealing part and worsening the appearance of the sealing part.
Further, due to vibrations caused by ultrasonic waves, which are mechanical shocks applied to the synthetic resin sheet, powdered synthetic resin material is scattered from the synthetic resin sheet that is in contact with the horn. There were drawbacks such as the area around the seal becoming dirty due to so-called "powder flying" and the resistance to contents being reduced due to uneven welding.
本発明は、上記した従来例における欠点および
不満を解消すべく創案されたもので、ホーンの接
触面に凹凸条を設けることによつて、シール部分
の溶融した合成樹脂材料が、このシール部分内で
流動位置することの出来る箇所を形成したもので
ある。 The present invention was devised in order to eliminate the drawbacks and dissatisfaction of the conventional examples described above, and by providing uneven stripes on the contact surface of the horn, the molten synthetic resin material of the seal portion can be absorbed into the seal portion. It forms a place where the fluid can be positioned.
以下、本発明の実施例を図面を参照しながら順
に説明する。 Hereinafter, embodiments of the present invention will be described in order with reference to the drawings.
本発明による超音波シール用ホーン１は、合成
樹脂製シート状体４同志を超音波シールにより密
に溶着するのに使用されるせのであつて、溶着さ
れる合成樹脂製シート状体４のシール部５に押し
付けられる接触面２に、この接触面２の長手方向
に沿つて、一定深さおよび突出高さで角取りした
複数本の凹凸スジ３を刻設して構成したものであ
る。 The ultrasonic sealing horn 1 according to the present invention is a horn used for tightly welding synthetic resin sheet-like bodies 4 together by ultrasonic sealing, and is a seal for the synthetic resin sheet-like bodies 4 to be welded. The contact surface 2 which is pressed against the portion 5 is provided with a plurality of uneven lines 3 which are rounded at a constant depth and protrusion height along the longitudinal direction of the contact surface 2.
すなわち、本発明による超音波シール用ホーン
１の接触面２は、その短手方向に沿つた断面形状
が、第３図に示す如く、正弦波状に角のないかつ
連続した凹凸面となつており、この凹凸のスジ３
が接触面２の長手方向に沿つて成形されているの
である。 That is, the contact surface 2 of the ultrasonic sealing horn 1 according to the present invention has a cross-sectional shape along its width direction, as shown in FIG. , this uneven streak 3
is formed along the longitudinal direction of the contact surface 2.
この凹凸スジ３は、基本的には、接触面２の全
域に形成されているが、接触面２の短手辺に沿つ
た両端部は、第３図図示実施例の如く、接触面２
の基準面２ａにその突出端を位置させるようにす
るのが良い。 The uneven streaks 3 are basically formed over the entire area of the contact surface 2, but both ends along the short side of the contact surface 2 are formed on the contact surface 2 as shown in the embodiment shown in FIG.
It is preferable that the protruding end is located on the reference surface 2a of the.
これは、超音波シールにより溶けた合成樹脂材
料のシール部５以外の部分に流出する量を出来る
限り少なくするためである。 This is to minimize the amount of synthetic resin material melted by the ultrasonic sealing that flows out to areas other than the seal portion 5.
これに対して、凹凸スジ３は、溝条部３ａと突
条部３ｂとから構成されていて、溝条部３ａの基
準面２ａからの陥没深さと、突条部３ｂの基準面
２ａからの突出高さとはそれぞれ等しく、溶着さ
れる合成樹脂製シート状体４を成形している合成
樹脂材料の材質、合成樹脂製シート状体４の厚
さ、溶着が第８図図示の如き、合成樹脂製シート
状体４同志の接合であるか、第９図図示の如き、
シール底部成形のためであるのかと云う溶着目
的、溶着時の溶けた樹脂材料の流動形態等に従つ
てその値が設定される。 On the other hand, the uneven streaks 3 are composed of grooves 3a and protrusions 3b, and the depression depth of the grooves 3a from the reference surface 2a and the depression depth of the protrusions 3b from the reference surface 2a. The protrusion heights are the same, and the material of the synthetic resin material forming the synthetic resin sheet 4 to be welded, the thickness of the synthetic resin sheet 4, and the welded synthetic resin as shown in FIG. Whether it is joining the sheet-like bodies 4 together, as shown in FIG. 9,
The value is set according to the purpose of welding, such as whether it is for forming the bottom of a seal, the flow form of the melted resin material during welding, etc.
この溝条部３ａの基準面２ａからの陥没深さお
よび突条部３ｂの基準面２ａからの突出高さとし
ては、多くの実験結果によれば、シート状体４の
厚さの約30〜50％程度が好適である。 According to many experimental results, the depression depth of the groove portion 3a from the reference surface 2a and the protrusion height of the protrusion portion 3b from the reference surface 2a are approximately 30 to 30 times the thickness of the sheet-like body 4. Approximately 50% is suitable.
このように本発明によるホーン１は、その接触
面２に凹凸スジ３を成形して構成されているので
あるが、第５図に示す如く、接触面２の一方の長
手端部に、シート状体４の溶融した合成樹脂材料
の流出を確実に阻止する堰突片２ｂを突条設する
と良い。 As described above, the horn 1 according to the present invention is constructed by molding the uneven stripes 3 on the contact surface 2, and as shown in FIG. It is preferable to provide a weir protrusion 2b that reliably prevents the outflow of the molten synthetic resin material of the body 4.
この第５図図示実施例の場合、堰突片２ｂに、
シール部５に成形されるシート状体４の端面を当
接させることによつて、シート状体４に対するホ
ーン１の位置合わせを達成し、シート状体４のシ
ールを行うのである。 In the case of the embodiment shown in FIG. 5, on the weir protrusion 2b,
By bringing the end surface of the sheet-like body 4 formed into contact with the seal portion 5, the horn 1 is aligned with the sheet-like body 4, and the sheet-like body 4 is sealed.
このように、シール部５の堰突片２ｂに当接し
ているので、溶融した合成樹脂材料は、この堰突
片２ｂにせき止められてシール部５外に流出する
ことがない。 Since it is in contact with the weir protrusion 2b of the seal portion 5 in this way, the molten synthetic resin material is blocked by the weir protrusion 2b and does not flow out of the seal portion 5.
それゆえ、溶融樹脂材料のシール部５外への流
出によるシール部５の外観の劣化を生じる恐れが
全く無くなる。 Therefore, there is no possibility that the appearance of the seal part 5 will deteriorate due to the molten resin material flowing out of the seal part 5.
この第５図図示実施例の場合は、ホーン１とシ
ールされるシート状体４との正確な位置合わせが
必要となるが、このホーン１とシールされるシー
ト状体４との正確な位置合わせが困難であるよう
な場合には、第６図図示実施例の如く、接触面２
の両長手端部を基準面２ａと同一高さレベルとな
つた平坦面２ｃ，２ｃとするのが良い。 In the case of the embodiment shown in FIG. 5, accurate alignment between the horn 1 and the sheet-like body 4 to be sealed is required; In cases where it is difficult to
It is preferable to make both longitudinal ends of the flat surfaces 2c, 2c at the same height level as the reference surface 2a.
この第６図図示実施例の場合、ホーン１とシー
ト状体４との位置合わせが多少狂つたとしても、
凹凸スジ３に対向するシート状体４部分の前後の
シート状体４部分に平坦面２ｃが押圧されて位置
するので、前記凹凸スジ３に対向したシート状体
４部分の溶融した樹脂材料が、前後方向に流出す
るのを確実に阻止することが出来るのである。 In the case of the embodiment shown in FIG.
Since the flat surface 2c is pressed against and positioned on the front and back parts of the sheet-like body 4 facing the uneven streaks 3, the molten resin material of the sheet-like body 4 parts facing the uneven streaks 3, It is possible to reliably prevent the fluid from flowing out in the front-rear direction.
第７図図示実施例は、第５図図示実施例におけ
る堰突片２ｂを設けなかつた接触面２の他方の長
手端部を、第６図図示実施例に示された、平坦面
２ｃに成形し、もつてより完全な溶融樹脂材料流
出阻止能力を持つようにしたものである。 In the embodiment shown in FIG. 7, the other longitudinal end of the contact surface 2, which is not provided with the weir protrusion 2b in the embodiment shown in FIG. 5, is formed into the flat surface 2c shown in the embodiment shown in FIG. However, it has a more complete ability to prevent the flow of molten resin material.
このように、本発明によるホーン１は、その接
触面２の凹凸スジ３を設けているので、成形され
るシール部５には、このシール部５に沿つて凹凸
のスジ５ａが成形されることになる。 As described above, since the horn 1 according to the present invention is provided with the uneven stripes 3 on the contact surface 2, the uneven stripes 5a are formed along the seal portion 5 on the seal portion 5 to be molded. become.
このシール部５に成形される凹凸のスジ５ａの
うち、凹スジ５ａ部分は、突条部３ｂに対応して
成形される部分であるので、大きな押圧力により
ほぼ線状に成形されることになる。 Of the uneven lines 5a formed on the seal portion 5, the concave lines 5a are formed corresponding to the protruding stripes 3b, so they are formed into an almost linear shape due to a large pressing force. Become.
それゆえ、各凹スジ５ａ部分は、大きな押圧力
が集中作用して成形されることになるので、この
凹スジ５ａ部分におけるシート状体４同志の溶着
は、凹スジ５ａ部分全域で完全に達成されること
になつて、極めて密にかつ強力に溶着される。 Therefore, each concave stripe 5a portion is formed by a concentrated pressing force, so that welding of the sheet-like bodies 4 to each other in the concave stripe 5a portion is completely achieved over the entire concave stripe 5a portion. As a result, they are welded extremely tightly and strongly.
この凹スジ５ａ部分に隣接して成形される凸ス
ジ５ａ部分は、溝条部３ａに対応して成形される
部分であるが、この凸スジ５ａ部分は、殆ど押圧
力を受けることなく成形される部分であるので、
この凸スジ５ａ部分におけるシート状体４同志の
強力な溶着は期待出来ないが、前記した凹スジ５
ａ部分から流出移動してくるシート状体４の溶融
した樹脂材料を位置させることが出来るので、シ
ール部５外に溶融樹脂材料を流出させて、シール
部５の外観を劣化させずにすむ。 The convex stripe 5a portion formed adjacent to the concave stripe 5a portion is a portion that is molded to correspond to the groove portion 3a, but this convex stripe 5a portion is molded without receiving almost any pressing force. Since this is the part that
Strong welding of the sheet-like bodies 4 to each other at this convex stripe 5a portion cannot be expected, but the concave stripe 5a described above
Since the molten resin material of the sheet-like body 4 flowing out from the part a can be positioned, there is no need for the molten resin material to flow out of the sealing part 5 and deteriorating the appearance of the sealing part 5.
また、前記した如く、凹スジ５ａ部分は、極め
て強力に溶着される部分となるのであるが、特に
第９図図示実施例のチユーブ容器の底部シール部
を成形する場合には、チユーブ容器の軸心方向に
対して、直交する姿勢で複数本の凹スジ５ａ部分
が多重に位置することになるので、この底部シー
ル部におけるシール力は極めて強大なものとする
ことが出来る。 Further, as mentioned above, the concave line 5a is a part to be welded extremely strongly, but especially when forming the bottom seal part of the tube container of the embodiment shown in FIG. Since the plurality of concave stripes 5a are positioned in multiple positions perpendicular to the center direction, the sealing force at this bottom seal portion can be extremely strong.
さらに、かつ凹スジ５ａ部分に位置していた樹
脂材料の各凸スジ５ａ部分への流動移動は、凹凸
スジ３が角取り成形されていることから、極めて
円滑に達成されることになり、常に安定したスジ
５ａの成形操作を得ることが出来る。 Furthermore, since the concave and convex lines 3 are rounded, the flow of the resin material located in the concave lines 5a to each convex line 5a can be achieved extremely smoothly and always. A stable forming operation of the streaks 5a can be obtained.
このように、本発明によるホーン１は、その接
触面２を凹凸スジ３により成形したので、溶着す
べき合成樹脂製シート状体４の突条部３ｂに対向
する部分、すなわち凹スジ５ａ部分に押圧力を集
中して作用させることが出来、これによつてシー
ル部５を、各凹スジ５ａ部分で強力にかつ密に溶
着することが出来る。 As described above, since the horn 1 according to the present invention has its contact surface 2 formed by the concave and convex stripes 3, the contact surface 2 is formed with the concave and convex stripes 3. The pressing force can be applied in a concentrated manner, thereby making it possible to weld the seal portion 5 strongly and tightly at each concave line 5a.
また、かく突条部３ｂに隣接して溝条部３ａが
位置すると共に、各凹凸スジ３は角取り成形され
ているので、シール部５の凹スジ５ａ部分から溶
融して流動移動するシート状体４の樹脂材料は、
すみやかにかつ円滑に凸スジ５ａ部分に移動位置
し、もつて溶融した合成樹脂材料によりシール部
５の外観を劣化させることがない。 In addition, since the groove portion 3a is located adjacent to the protruding portion 3b, and each uneven stripe 3 is formed with corners, the sheet-like shape melts from the concave stripe 5a portion of the seal portion 5 and flows. The resin material of the body 4 is
It is quickly and smoothly moved to the convex stripe 5a portion, and the appearance of the seal portion 5 is not deteriorated by the melted synthetic resin material.
さらに、溶着シールのための押圧力は、各突条
部３ｂに集中して作用することになるので、長い
シール部５を成形する際にも、小さな出力で、強
力で密なシール部５を確実に成形することが出来
ることになる。 Furthermore, since the pressing force for welding seals is concentrated on each protrusion 3b, even when forming a long seal part 5, a strong and dense seal part 5 can be produced with a small output. This means that it can be molded reliably.
またさらに、成形されるシール部５の形態およ
び成形条件等に応じて最適な接触面２の形状を設
定することが出来るので、常に良質なシール部５
の成形を達成することが出来る。 Furthermore, since the optimum shape of the contact surface 2 can be set according to the form of the seal part 5 to be molded and the molding conditions, etc., the seal part 5 of always high quality can be set.
can be achieved.
以上の説明から明らかなように、本発明による
超音波シール用ホーンは、極めて溶着力の強いシ
ール部を成形することが出来、またシール部成形
に際して、溶融樹脂材料の流出移動を確実に阻止
することが出来るので外観の極めて奇麗なシール
部を成形することが出来、さらに極めて密閉性の
優れたシール部を成形することが出来る等多くの
優れた効果を発揮するものである。 As is clear from the above description, the ultrasonic sealing horn according to the present invention can form a seal portion with extremely strong welding force, and also reliably prevents the outflow and movement of molten resin material when forming the seal portion. Therefore, it is possible to mold a seal portion with an extremely beautiful appearance, and furthermore, it is possible to mold a seal portion with extremely excellent sealing performance, and many other excellent effects are exhibited.
第１図ないし第４図は、本発明によるホーンの
一実施例を示すもので、第１図は正面図、第２図
は、側面図、第３図は、第２図中丸印した部分の
拡大部分図、第４図は底面図である。第５図は、
他の実施例の要部拡大図である。第６図は、さら
に他の実施例の要部拡大図である。第７図は、第
５図図示実施例と第６図図示実施例とを組合わせ
て構成したさらに他の実施例を示す要部拡大図で
ある。第８図は、シート状体の端部同志を溶着し
た場合のシール部の構造を示す図面で、第８図ａ
は断面拡大図、第８図ｂは平面図である。第９図
は、チユーブ状に成形されたシート状体の一端部
を偏平に押潰して溶着した場合のシール部の構造
を示すもので、第９図ａは縦断した拡大図、第９
図ｂは平面図である。
符号の説明、１；ホーン、２；接触面、２ａ；
基準面、２ｂ；堰突片、２ｃ；平坦面、３；凹凸
スジ、３ａ；溝条部、３ｂ；突条部、４；シート
状体、５；シール部、５ａ；スジ。
1 to 4 show an embodiment of the horn according to the present invention, in which FIG. 1 is a front view, FIG. 2 is a side view, and FIG. 3 is a portion of the circled part in FIG. The enlarged partial view, FIG. 4, is a bottom view. Figure 5 shows
FIG. 7 is an enlarged view of main parts of another embodiment. FIG. 6 is an enlarged view of the main parts of still another embodiment. FIG. 7 is an enlarged view of main parts of still another embodiment constructed by combining the embodiment shown in FIG. 5 and the embodiment shown in FIG. 6. FIG. Fig. 8 is a drawing showing the structure of the seal part when the ends of the sheet-like body are welded together, and Fig. 8a
is an enlarged cross-sectional view, and FIG. 8b is a plan view. Figure 9 shows the structure of a seal when one end of a tube-shaped sheet material is flattened and welded; Figure 9a is an enlarged vertical view;
Figure b is a plan view. Explanation of symbols, 1; horn, 2; contact surface, 2a;
Reference surface, 2b; weir projection piece, 2c; flat surface, 3; uneven streak, 3a; grooved part, 3b; protruding part, 4; sheet-like body, 5; seal part, 5a; streak.
Claims (1)
より密に溶着するのに使用される超音波シール用
ホーンであつて、溶着される合成樹脂製シート状
体のシール部分に押し付けられる接触面に、該接
触面の長手方向に沿つて、一定深さおよび突出高
さで角取りした複数本の凹凸スジを刻設して成る
超音波シール用ホーン。 ２ 合成樹脂製シート状体同志を超音波シールに
より密に溶着するのに使用される超音波シール用
ホーンであつて、溶着される合成樹脂製シート状
体のシール部分に押し付けられる接触面に、該接
触面の長手方向に沿つて、一定深さおよび突出高
さで角取りした複数本の凹凸スジを刻設すると共
に、前記接触面の一方の長手端部に堰突片を突条
設して成る超音波シール用ホーン。 ３ 合成樹脂製シート状体同志を超音波シールに
より密に溶着するのに使用される超音波シール用
ホーンであつて、溶着される合成樹脂製シート状
体のシール部分に押し付けられる接触面に、該接
触面の長手方向に沿つて、一定深さおよび突出高
さで角取りした複数本の凹凸スジを刻設すると共
に、前記接触面の両長手端部を一定幅の平坦面と
した超音波シール用ホーン。 ４ 合成樹脂製シート状体同志を超音波シールに
より密に溶着するのに使用される超音波シール用
ホーンであつて、溶着される合成樹脂製シート状
体のシール部分に押し付けられる接触面に、該接
触面の長手方向に沿つて、一定深さおよび突出高
さで角取りした複数本の凹凸スジを刻設し、また
前記接触面の一方の長手端部に堰突片を突条設す
ると共に、他方の長手端部を一定幅の平坦面とし
た超音波シール用ホーン。[Scope of Claims] 1. An ultrasonic sealing horn used to tightly weld synthetic resin sheet-like bodies together by ultrasonic sealing, the horn for ultrasonic sealing being used to tightly weld synthetic resin sheet-like bodies together, which An ultrasonic sealing horn comprising a plurality of uneven lines cut at a constant depth and protrusion height along the longitudinal direction of the contact surface to be pressed. 2. An ultrasonic sealing horn used for tightly welding synthetic resin sheet bodies together by ultrasonic sealing, which has a contact surface pressed against the sealing portion of the synthetic resin sheet bodies to be welded, Along the longitudinal direction of the contact surface, a plurality of rounded uneven lines are carved at a constant depth and protrusion height, and a weir protrusion is provided on one longitudinal end of the contact surface. Horn for ultrasonic sealing. 3. An ultrasonic sealing horn used to tightly weld synthetic resin sheet bodies together by ultrasonic sealing, which has a contact surface pressed against the sealing portion of the synthetic resin sheet bodies to be welded, Along the longitudinal direction of the contact surface, a plurality of uneven lines are cut at a constant depth and protrusion height, and both longitudinal ends of the contact surface are made flat surfaces with a constant width by ultrasonic waves. Seal horn. 4. An ultrasonic sealing horn used for tightly welding synthetic resin sheet bodies together by ultrasonic sealing, which has a contact surface pressed against the sealing portion of the synthetic resin sheet bodies to be welded, Along the longitudinal direction of the contact surface, a plurality of rounded uneven lines are carved at a constant depth and protrusion height, and a weir protrusion is provided on one longitudinal end of the contact surface. and an ultrasonic sealing horn whose other longitudinal end is a flat surface with a constant width.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59059074A JPS60201928A (en) | 1984-03-27 | 1984-03-27 | Horn for ultrasonic sealing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP59059074A JPS60201928A (en) | 1984-03-27 | 1984-03-27 | Horn for ultrasonic sealing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS60201928A JPS60201928A (en) | 1985-10-12 |
| JPH0578408B2 true JPH0578408B2 (en) | 1993-10-28 |
Family
ID=13102838
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP59059074A Granted JPS60201928A (en) | 1984-03-27 | 1984-03-27 | Horn for ultrasonic sealing |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60201928A (en) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4767492A (en) * | 1986-04-18 | 1988-08-30 | Pola Chemical Industries, Inc. | Ultrasonic fuse-bonding sealing apparatus with improved contact surfaces |
| JP2589364B2 (en) * | 1989-02-16 | 1997-03-12 | キヤノン株式会社 | Terminal treatment method for tape-like objects |
| US6583364B1 (en) * | 1999-08-26 | 2003-06-24 | Sony Chemicals Corp. | Ultrasonic manufacturing apparatuses, multilayer flexible wiring boards and processes for manufacturing multilayer flexible wiring boards |
| US6523732B1 (en) * | 2001-10-10 | 2003-02-25 | Ford Global Technologies, Inc. | Ultrasonic welding apparatus |
| US6691909B2 (en) | 2001-10-10 | 2004-02-17 | Ford Global Technologies, Llc | Sonotrode for ultrasonic welding apparatus |
| US6612479B2 (en) | 2001-10-10 | 2003-09-02 | Ford Global Technologies, Llc | Apparatus and method for joining layers of materials |
| JP2006088147A (en) * | 2004-08-24 | 2006-04-06 | Fuji Photo Film Co Ltd | Ultrasonic joining horn and ultrasonic welding method |
| JP4792945B2 (en) * | 2005-01-28 | 2011-10-12 | 日産自動車株式会社 | Ultrasonic bonding apparatus and bonded structure |
| DE102005004899A1 (en) * | 2005-02-02 | 2006-08-03 | Schunk Ultraschalltechnik Gmbh | Compression space of an ultrasonic welding device for welding metal conductors together has structured lateral surfaces |
| NL2007491C2 (en) * | 2011-09-28 | 2013-04-02 | Plastifran B V | METHOD FOR CONNECTING EAR BRANDS. |
| JP2014031676A (en) * | 2012-08-06 | 2014-02-20 | Hakushou:Kk | Method and device for repairing large-sized sheet material |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5510096U (en) * | 1978-07-07 | 1980-01-22 | ||
| JPS57105719U (en) * | 1980-12-22 | 1982-06-29 |
-
1984
- 1984-03-27 JP JP59059074A patent/JPS60201928A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS60201928A (en) | 1985-10-12 |
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| LAPS | Cancellation because of no payment of annual fees |