JPH01286830A - Manufacturing device and manufacture of multi-layer sphere - Google Patents

Manufacturing device and manufacture of multi-layer sphere

Info

Publication number
JPH01286830A
JPH01286830A JP63117191A JP11719188A JPH01286830A JP H01286830 A JPH01286830 A JP H01286830A JP 63117191 A JP63117191 A JP 63117191A JP 11719188 A JP11719188 A JP 11719188A JP H01286830 A JPH01286830 A JP H01286830A
Authority
JP
Japan
Prior art keywords
mold
rubber composition
outer layer
half shell
multilayer
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
Application number
JP63117191A
Other languages
Japanese (ja)
Other versions
JPH07110523B2 (en
Inventor
Akihiro Nakahara
中原　章裕
Mikio Yamada
幹生 山田
Masahiro Ebino
戎野　正洋
Hideki Hiraoka
平岡　秀規
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Rubber Industries Ltd
Original Assignee
Sumitomo Rubber Industries Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sumitomo Rubber Industries Ltd filed Critical Sumitomo Rubber Industries Ltd
Priority to JP63117191A priority Critical patent/JPH07110523B2/en
Priority to GB8910916A priority patent/GB2218372B/en
Publication of JPH01286830A publication Critical patent/JPH01286830A/en
Publication of JPH07110523B2 publication Critical patent/JPH07110523B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D99/00—Subject matter not provided for in other groups of this subclass
    • B29D99/0042—Producing plain balls
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0053—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor combined with a final operation, e.g. shaping
    • B29C45/006—Joining parts moulded in separate cavities
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/02—Transfer moulding, i.e. transferring the required volume of moulding material by a plunger from a "shot" cavity into a mould cavity
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/32—Moulds having several axially spaced mould cavities, i.e. for making several separated articles
    • 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
    • B29C63/00—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor
    • B29C63/22—Lining or sheathing, i.e. applying preformed layers or sheathings of plastics; Apparatus therefor using layers or sheathings having a shape adapted to the shape of the article
    • 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
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/68—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
    • B29C70/70—Completely encapsulating inserts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D22/00—Producing hollow articles
    • B29D22/04—Spherical articles, e.g. balls
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/0053—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor combined with a final operation, e.g. shaping
    • B29C45/006—Joining parts moulded in separate cavities
    • B29C2045/0072—Joining parts moulded in separate cavities the parts to be joined being moulded in a stack mould
    • 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
    • B29L2031/00—Other particular articles
    • B29L2031/54—Balls

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Chemical & Material Sciences (AREA)
  • Composite Materials (AREA)
  • Heating, Cooling, Or Curing Plastics Or The Like In General (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【発明の詳細な説明】 （産業上の利用分野） 本発明は多層球体の製造装置および製造方法に関する。[Detailed description of the invention] (Industrial application field) The present invention relates to an apparatus and method for manufacturing multilayer spheres.

（従来の技術） ゴム組成物は熱可塑性樹脂と異なり熱をかけても流動性
が余り得られず、流動性が悪いために射出成形等の方法
でゴム製多層球体を得るのが困難である。(Prior art) Unlike thermoplastic resins, rubber compositions do not have much fluidity even when heated, and because of their poor fluidity, it is difficult to obtain multilayer rubber spheres by methods such as injection molding. .

特開昭６２−７３９３２号公報には第１０（ａ）〜（Ｃ
）図に示すように、芯材２５にあわせた半球状突起２７
を有する中型２２と上下の半球金型２１で外部ゴム組成
物２３を成形して未加硫らしくは半加硫のハーフシェル
２４を形成し、次いで中型を外して芯材２５と共に一体
成形する方法が開示されている。JP-A-62-73932 has sections 10(a) to (C
) As shown in the figure, a hemispherical protrusion 27 that matches the core material 25
A method of molding the external rubber composition 23 using a middle mold 22 having a shape and upper and lower hemispherical molds 21 to form a semi-vulcanized half shell 24 that appears to be unvulcanized, and then removing the middle mold and integrally molding it together with the core material 25. is disclosed.

（発明が解決しようとする課題） 上記方法はゴム製の多層球体の製法として優れているも
のの、ゴム組成物の無駄が多く生じたり、生産効率の面
で改良すべき点がある。(Problems to be Solved by the Invention) Although the above method is excellent as a method for producing multilayer rubber spheres, there are problems in that a large amount of rubber composition is wasted and that improvements should be made in terms of production efficiency.

（課題を解決すべき手段） 本発明はゴム製の多層球体を得る効率的な生産方法を検
討の結果、本発明をなすに到った。(Means for Solving the Problems) The present invention was developed as a result of research into an efficient production method for obtaining multilayer rubber spheres.

即ち、本発明は上下の半球金型と芯材の形状にあわせた
半球突起を上下に設けた中型とからなり、半球金型と中
型との間に多層ゴム組成物を入れて成形して外層ゴム組
成物のハーフシェルを形成し、次いで中型を取り外し、
別に得られた芯材を入れて一体成形する多層球体の製造
装置において、該中型が外層ゴム組成物の押出機から直
接外層ゴム組成物を注入するための導入口と、該導入口
から注入された外層ゴム組成物を一旦貯留するための可
動プランジャー受けを有するトランスファーポットと、
貯留された外層ゴム組成物を型内でプランジャーにより
押出しハーフシェル型内に導く流出口とを有することを
特徴とする多層球体の製造装置を提供する。That is, the present invention consists of upper and lower hemispherical molds and a middle mold provided with hemispherical protrusions on the top and bottom that match the shape of the core material, and a multilayer rubber composition is placed between the hemispherical molds and the middle mold and molded to form the outer layer. Form a half shell of rubber composition, then remove the middle part,
In an apparatus for producing a multilayer sphere in which a separately obtained core material is inserted and integrally molded, the medium mold has an inlet for directly injecting the outer layer rubber composition from an extruder for the outer layer rubber composition, and an inlet for injecting the outer layer rubber composition directly from the extruder. a transfer pot having a movable plunger receiver for temporarily storing the outer layer rubber composition;
Provided is an apparatus for producing a multilayer sphere, characterized by having an outlet for extruding a stored outer layer rubber composition in the mold by a plunger and guiding it into a half shell mold.

また、本発明は上下の半球金型と芯材の形状にあわせた
半球突起を上下に設けた中型との間で外層ゴム組成物を
成形してハーフシェルを形成し、次いで中型を取り外し
て芯材を導入し一体に成形する多層球体の製造方法にお
いて、外層ゴム組成物の押出機から中型に設けた導入口
を通して可動プランジャー受けを有するトランスファー
ポットにゴム組成物を注入し、中型を半球金型内に移動
させたのち型内のプランジャーにより可動プランジャー
受けを押してトランスファーポット内の外層ゴム組成物
をハーフシェル型内へ流出口を通して注入しハーフシェ
ルを形成することを特徴とする多層球体の製造方法を提
供する。Furthermore, the present invention involves forming a half shell by molding the outer layer rubber composition between upper and lower hemispherical molds and a middle mold having hemispherical protrusions on the top and bottom that match the shape of the core material, and then removing the middle mold to form the core. In a method for producing a multilayer sphere in which materials are introduced and integrally molded, the rubber composition is injected from an extruder for the outer layer rubber composition through an inlet provided in the middle mold into a transfer pot having a movable plunger receiver, and the middle mold is molded into a hemispherical mold. A multilayer sphere characterized in that after being moved into a mold, a plunger in the mold pushes a movable plunger receiver to inject the outer layer rubber composition in a transfer pot into a half shell mold through an outlet to form a half shell. Provides a manufacturing method.

本発明を図面を参照して説明する。The present invention will be explained with reference to the drawings.

第１図は本発明の多層球体の製造装置の全体の断面を示
す図である。FIG. 1 is a cross-sectional view of the entire multilayer sphere manufacturing apparatus of the present invention.

第２〜９図は、本発明の多層球体の製造方法を工程順に
示す工程図である。2 to 9 are process diagrams showing the method for producing a multilayer sphere of the present invention in order of process.

本発明の中型２では、押出機３からの外層ゴム組成物を
導入口４を通ってトランスファーポット５中に注入する
。トランスファーポットは可動のプランジャー受け６を
有する。この時点で第２図および第３図の工程が終了す
る。In the medium mold 2 of the present invention, the outer layer rubber composition from the extruder 3 is injected into the transfer pot 5 through the inlet 4. The transfer pot has a movable plunger receiver 6. At this point, the steps shown in FIGS. 2 and 3 are completed.

トランスファーポット５内に外層ゴム組成物が一時貯留
した中型２は第４図および第５図に示されるように、上
下の半球金型１ａ、ｌｂにはさまれてバーフンエル型１
２を形成する。この時点でプランジャー９をプランジャ
ー受け６にあてて第６図に示すように押すと、トランス
ファーポット５にある外層ゴム組成物は流出ロアを通っ
てハーフシェル型１２に導かれる。この場合必要に応じ
て上下金型１ａ、ｌｂあるいは中型２に熱をかけて部分
加硫または半加硫してもよい。もちろん、単に圧力をか
けて圧縮形成するのみでもよい。なお、図中、８は圧力
をかけるプレス圧盤である。また、中型に離型剤を塗布
してもよい。As shown in FIGS. 4 and 5, the middle mold 2 in which the outer layer rubber composition is temporarily stored in the transfer pot 5 is sandwiched between upper and lower hemispherical molds 1a and 1b to form a bar funnel mold 1.
form 2. At this point, when the plunger 9 is placed against the plunger receiver 6 and pushed as shown in FIG. 6, the outer layer rubber composition in the transfer pot 5 is guided into the half shell mold 12 through the outflow lower. In this case, if necessary, the upper and lower molds 1a, 1b or the middle mold 2 may be partially or semi-vulcanized by applying heat. Of course, it is also possible to simply compress and form by applying pressure. In addition, in the figure, 8 is a press platen that applies pressure. Furthermore, a mold release agent may be applied to the medium mold.

次いで、プランジャー９が離され、第７図のように金型
１ａ、ｌｂを開き、中型２をスライドさせて、芯材１４
を中型２によりできた形内に置く。Next, the plunger 9 is released, the molds 1a and lb are opened as shown in FIG. 7, and the middle mold 2 is slid to release the core material 14.
Place inside the shape created by medium size 2.

この間に中型２は次の段階でのハーフシェル形成のため
に外層ゴム組成物の注入が開始される。During this time, injection of the outer layer rubber composition into the middle mold 2 is started for forming a half shell in the next step.

第８図には芯材１４とバーフンエル１３が一体成形され
ている状態を示す。一方では、中型２のトランスファー
ポット５内に外層ゴム組成物が導入されている。一体成
形の条件はゴム組成物の種類により異なるが、通常１４
０〜１７０℃で１５〜４０分実施される。この場合、一
体成形において完全加硫を実施しないこともできる。完
全に加硫しない場合は得られた球体がもう一度芯材とし
て使用され、これを何度も繰り返すと何層もの層構造を
有する多層球体を得ることらできる。FIG. 8 shows a state in which the core material 14 and the bar funnel 13 are integrally molded. On the one hand, an outer layer rubber composition is introduced into the transfer pot 5 of the medium size 2. The conditions for integral molding vary depending on the type of rubber composition, but are usually 14
It is carried out at 0-170°C for 15-40 minutes. In this case, complete vulcanization may not be performed during integral molding. If it is not completely vulcanized, the obtained sphere is used again as a core material, and by repeating this process many times, it is possible to obtain a multilayer sphere having a multilayer structure.

そして、第９図に示すように金型１を開ければ多層の球
体ができる。この時点で外層ゴム組成物の中型への注入
は終っており、成形された球体を取り出せばすぐに次の
第４図の状態に入ることができる。Then, as shown in FIG. 9, when the mold 1 is opened, a multilayered sphere is formed. At this point, the injection of the outer layer rubber composition into the middle mold is complete, and as soon as the molded sphere is taken out, it can immediately enter the state shown in FIG. 4.

尚、ＩＯおよび１１は配管であり、加熱もしくは冷却媒
を通して温度を調節する。Incidentally, IO and 11 are piping, and the temperature is adjusted through heating or cooling medium.

本発明の製造方法及び製造装置は、ボーリングボール、
ソリッドマルチビースポールや糸巻きボール等のゴルフ
ボール、軟硬式野球ボール、ソフトボール、テニスボー
ル、クリケラトボール、ゲートボール、バスケットボー
ル等の成形に使用することができる。また、外層材とし
て、ゴム組成物以外に、合成樹脂、または、これらの化
合物、混合物等を用いてもよい。さらに、表面を樹脂で
カバーしてもよい。The manufacturing method and manufacturing apparatus of the present invention include a bowling ball,
It can be used to mold golf balls such as solid multi-beam poles and thread-wound balls, hard and soft baseballs, softballs, tennis balls, cricket balls, gate balls, basketballs, etc. Furthermore, as the outer layer material, in addition to the rubber composition, a synthetic resin, a compound, a mixture thereof, or the like may be used. Furthermore, the surface may be covered with resin.

上記記載は２つの球体を同時に製造するものであるが、
これに限定されず、１個だけ製造するものあるいは多数
個を一度に製造するものも本発明の範囲に属する。The above description is for manufacturing two spheres at the same time,
The scope of the present invention is not limited to this, and the scope of the present invention also includes those that manufacture only one piece or those that manufacture many pieces at once.

（発明の効果） 本発明によれば、多層球体が効率よく製造でき、重心も
中心点にすることが容易になる。(Effects of the Invention) According to the present invention, a multilayer sphere can be efficiently manufactured and the center of gravity can be easily set at the center.

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本発明の多層球体の製造装置の全体の断面を示
す図である。 第２〜９図は本発明の多層球体の製造方法を工程順に示
す工程図である。 第１０図は特開昭６２−７３９３２号公報の製法を示す
工程図である。 図中、以下の番号は下記の通りである。 ｌ・・・半球金型 ２・・・中型 ３・・・押出機 ４・・・導入口 ５・・・トランスファーポット ６・・・プランジャー受け ７・・・流出口 ８・・・プレス圧盤 ９・・・プランジャー １０・・・配管 ｔｉ・・・配管 １２・・・ハーフシェル型 １３・・・ハーフシェル １４・・・芯材 ２１・・・半球金型 ２２・・中型 ２３・・・外部ゴム組成物 ２４・・・ハーフシェル ２５・・・芯材 ２７・・・半球状突起 特許出願人　住友ゴム工業株式会社 代　理　人　弁理士　青　山　葆　はが２名冨３図 ￥！、７図 第８図 第９図 （０）Ｑ蓄 口＝ 刈 「 １１０図 酉 ！！［Ｘ 熔ぐFIG. 1 is a cross-sectional view of the entire multilayer sphere manufacturing apparatus of the present invention. FIGS. 2 to 9 are process diagrams showing the method for producing a multilayer sphere according to the present invention in order of process. FIG. 10 is a process diagram showing the manufacturing method disclosed in Japanese Unexamined Patent Publication No. 62-73932. In the figure, the following numbers are as follows. l... Hemispherical mold 2... Medium mold 3... Extruder 4... Inlet port 5... Transfer pot 6... Plunger receiver 7... Outlet port 8... Press platen 9 ... Plunger 10 ... Piping ti ... Piping 12 ... Half shell mold 13 ... Half shell 14 ... Core material 21 ... Hemisphere mold 22 ... Medium mold 23 ... External Rubber composition 24... Half shell 25... Core material 27... Hemispherical protrusion Patent applicant Sumitomo Rubber Industries Co., Ltd. Agent Patent attorney Aoyama Ao 2 people, 3 figures, ¥! , 7 Figure 8 Figure 9 (0) Q storage mouth = Hari " Figure 110 Rooster!! [X Melting

Claims (1)

【特許請求の範囲】 １、上下の半球金型と芯材の形状にあわせた半球突起を
上下に設けた中型とからなり、半球金型と中型との間に
多層ゴム組成物を入れて成形して外層ゴム組成物のハー
フシェルを形成し、次いで中型を取り外し、別に得られ
た芯材を入れて一体成形する多層球体の製造装置におい
て、該中型が外層ゴム組成物の押出機から直接外層ゴム
組成物を注入するための導入口と、該導入口から注入さ
れた外層ゴム組成物を一旦貯留するための可動プランジ
ャー受けを有するトランスファーポットと、貯留された
外層ゴム組成物を型内でプランジャーにより押出しハー
フシェル型内に導く流出口とを有することを特徴とする
多層球体の製造装置。 ２、上下の半球金型と芯材の形状にあわせた半球突起を
上下に設けた中型との間で外層ゴム組成物を成形してハ
ーフシェルを形成し、次いで中型を取り外して芯材を導
入し一体に成形する多層球体の製造方法において、外層
ゴム組成物の押出機から中型に設けた導入口を通して可
動プランジャー受けを有するトランスファーポットにゴ
ム組成物を注入し、中型を半球金型内に移動させたのち
型内のプランジャーにより可動プランジャー受けを押し
てトランスファーポット内の外層ゴム組成物をハーフシ
ェル型内へ流出口を通して注入しハーフシェルを形成す
ることを特徴とする多層球体の製造方法。[Claims] 1. Consisting of upper and lower hemispherical molds and a middle mold provided with hemispherical protrusions on the top and bottom that match the shape of the core material, and a multilayer rubber composition is placed between the hemispherical mold and the middle mold and molded. In an apparatus for producing a multilayer sphere, in which a half shell of the outer layer rubber composition is formed, the middle mold is removed, a separately obtained core material is put in, and the half shell is integrally molded. A transfer pot has an inlet for injecting a rubber composition, a movable plunger receiver for temporarily storing the outer layer rubber composition injected from the inlet, and a transfer pot for storing the outer layer rubber composition in a mold. 1. An apparatus for producing a multilayer sphere, characterized by having an outlet leading into an extrusion half-shell mold by a plunger. 2. Form a half shell by molding the outer layer rubber composition between the upper and lower hemispherical molds and the middle mold with hemispherical protrusions on the top and bottom that match the shape of the core material, then remove the middle mold and introduce the core material. In a method for producing a multilayer sphere that is integrally molded, the rubber composition is injected from an extruder for the outer layer rubber composition into a transfer pot having a movable plunger receiver through an inlet provided in the middle mold, and the middle mold is placed in a hemispherical mold. A method for manufacturing a multilayer sphere, which comprises: pressing a movable plunger receiver with a plunger inside the mold to inject the outer layer rubber composition in the transfer pot into the half shell mold through the outlet to form a half shell. .
JP63117191A 1988-05-13 1988-05-13 Multilayer sphere manufacturing apparatus and manufacturing method Expired - Lifetime JPH07110523B2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
JP63117191A JPH07110523B2 (en) 1988-05-13 1988-05-13 Multilayer sphere manufacturing apparatus and manufacturing method
GB8910916A GB2218372B (en) 1988-05-13 1989-05-12 Apparatus and process for producing a multilayer rubber spherical material

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP63117191A JPH07110523B2 (en) 1988-05-13 1988-05-13 Multilayer sphere manufacturing apparatus and manufacturing method

Publications (2)

Publication Number Publication Date
JPH01286830A true JPH01286830A (en) 1989-11-17
JPH07110523B2 JPH07110523B2 (en) 1995-11-29

Family

ID=14705656

Family Applications (1)

Application Number Title Priority Date Filing Date
JP63117191A Expired - Lifetime JPH07110523B2 (en) 1988-05-13 1988-05-13 Multilayer sphere manufacturing apparatus and manufacturing method

Country Status (2)

Country Link
JP (1) JPH07110523B2 (en)
GB (1) GB2218372B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015214125A (en) * 2014-05-13 2015-12-03 キヤノン株式会社 Transfer molding method, transfer molding device, and molded article

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7534224B2 (en) 2002-11-30 2009-05-19 Kimberly-Clark Worldwide, Inc. Catheter with unitary component
US7124489B2 (en) 2002-11-30 2006-10-24 Kimberly-Clark Worldwide, Inc. Process for producing a catheter
US20040103987A1 (en) * 2002-11-30 2004-06-03 Triebes Thomas Gregory Process for producing unitary component and a catheter having a unitary component
ITMI20042480A1 (en) * 2004-12-23 2005-03-23 Gitis S R L PERFECTED SYSTEM FOR THE PRODUCTION OF ELASTOMERIC MATERIALS
CN102862253B (en) * 2011-07-05 2015-03-18 惠州市成琳橡胶制品有限公司 Rubber molding machine of double-top double-layer mold
CN111791418A (en) * 2020-07-08 2020-10-20 深圳市喜德盛碳纤科技有限公司 Compression molding die and compression molding method

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015214125A (en) * 2014-05-13 2015-12-03 キヤノン株式会社 Transfer molding method, transfer molding device, and molded article

Also Published As

Publication number Publication date
GB8910916D0 (en) 1989-06-28
GB2218372B (en) 1992-05-06
JPH07110523B2 (en) 1995-11-29
GB2218372A (en) 1989-11-15

Similar Documents

Publication Publication Date Title
US5882567A (en) Method of making a golf ball having multiple layers
JP3512814B2 (en) Golf ball with multilayer cover
US6319451B1 (en) Method of molding a layer around a body
JP3694239B2 (en) Method for producing multilayer core golf ball
WO1998005386A1 (en) Liquid filled golf ball center
JPH01286830A (en) Manufacturing device and manufacture of multi-layer sphere
US6802785B2 (en) Golf balls including a layer with reinforced fibers and methods for forming such golf balls
CN101733886A (en) Method for manufacturing composite material workpiece with barbs
US3819795A (en) Process for molding plastic-covered golf balls
US20030038399A1 (en) Method for forming golf ball cores
US20010008320A1 (en) Method for molding a golf ball mantle layer
EP0365488B1 (en) Process for producing hollow elastic bodies, in particular balls and similar objects, and the balls so produced
JPS63262215A (en) Method and device for manufacturing molded part from thermo-setting molding material including fiber
US5062912A (en) Method and apparatus for fabricating a seamless hollow rubber core for a ball
US2499344A (en) Method of making golf balls
US6576170B1 (en) Gas-assisted injection molding of thermosetting polymers
JP3047439B2 (en) Wound golf ball and method of manufacturing the same
JP2000288126A (en) Golf ball manufacturing method
JP3198935B2 (en) Manufacturing method and manufacturing apparatus for skin-integrated molded product
JPS6273932A (en) Manufacture of spherical thing
US700155A (en) Manufacture of golf-balls.
ATE169260T1 (en) METHOD FOR PRODUCING A MOLDED BODY FROM AT LEAST TWO PLASTIC FOAM OF DIFFERENT DENSITY AND MOLDING TOOL FOR IMPLEMENTATION
KR20260026619A (en) Manufacturing Method for Mark golf balls using synthetic resin waste
JPS625298Y2 (en)
JPS62271729A (en) Manufacturing method for foamed resin molded products