JPS6147689B2 - - Google Patents

Info

Publication number
JPS6147689B2
JPS6147689B2 JP59100001A JP10000184A JPS6147689B2 JP S6147689 B2 JPS6147689 B2 JP S6147689B2 JP 59100001 A JP59100001 A JP 59100001A JP 10000184 A JP10000184 A JP 10000184A JP S6147689 B2 JPS6147689 B2 JP S6147689B2
Authority
JP
Japan
Prior art keywords
mold
core
resin
cavity
rotating
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
Application number
JP59100001A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60145817A (ja
Inventor
Mitsuhiro Sato
Akira Oomaeda
Makoto Itsushiki
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.)
Dai Nippon Printing Co Ltd
Original Assignee
Dai Nippon Printing Co 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 Dai Nippon Printing Co Ltd filed Critical Dai Nippon Printing Co Ltd
Priority to JP59100001A priority Critical patent/JPS60145817A/ja
Publication of JPS60145817A publication Critical patent/JPS60145817A/ja
Publication of JPS6147689B2 publication Critical patent/JPS6147689B2/ja
Granted legal-status Critical Current

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
    • 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
    • B29C45/46—Means for plasticising or homogenising the moulding material or forcing it into the mould
    • B29C45/56—Means for plasticising or homogenising the moulding material or forcing it into the mould using mould parts movable during or after injection, e.g. injection-compression moulding
    • B29C45/5605—Rotatable mould parts
    • 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
    • B29C65/48—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor using adhesives, i.e. using supplementary joining material; solvent bonding
    • 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
    • B29C66/50—General aspects of joining tubular articles; General aspects of joining long products, i.e. bars or profiled elements; General aspects of joining single elements to tubular articles, hollow articles or bars; General aspects of joining several hollow-preforms to form hollow or tubular articles
    • B29C66/51—Joining tubular articles, profiled elements or bars; Joining single elements to tubular articles, hollow articles or bars; Joining several hollow-preforms to form hollow or tubular articles
    • B29C66/54—Joining several hollow-preforms, e.g. half-shells, to form hollow articles, e.g. for making balls, containers; Joining several hollow-preforms, e.g. half-cylinders, to form tubular 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
    • 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
    • B29C66/71—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 composition of the plastics material of the parts to be joined

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
JP59100001A 1984-05-18 1984-05-18 中空半球体の製造方法及びその装置 Granted JPS60145817A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP59100001A JPS60145817A (ja) 1984-05-18 1984-05-18 中空半球体の製造方法及びその装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP59100001A JPS60145817A (ja) 1984-05-18 1984-05-18 中空半球体の製造方法及びその装置

Publications (2)

Publication Number Publication Date
JPS60145817A JPS60145817A (ja) 1985-08-01
JPS6147689B2 true JPS6147689B2 (enrdf_load_stackoverflow) 1986-10-21

Family

ID=14262355

Family Applications (1)

Application Number Title Priority Date Filing Date
JP59100001A Granted JPS60145817A (ja) 1984-05-18 1984-05-18 中空半球体の製造方法及びその装置

Country Status (1)

Country Link
JP (1) JPS60145817A (enrdf_load_stackoverflow)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2537131B2 (ja) * 1993-06-28 1996-09-25 株式会社メイホー 高精度のパイプとこのパイプの製造方法
JP5099894B2 (ja) * 2007-10-22 2012-12-19 花王株式会社 中空成形体の製造装置及び製造方法
CN101850170B (zh) * 2009-03-31 2014-04-16 张辉伦 一种整体无缝结构的乒乓球
CN103317681A (zh) * 2013-06-23 2013-09-25 苏州腾行精密模具有限公司 一种四面旋切注塑模具
CN105128251A (zh) * 2015-07-17 2015-12-09 上海红双喜股份有限公司 一种应用热流道制造的乒乓球
CN107245216A (zh) * 2017-06-21 2017-10-13 合肥博创机械制造有限公司 一种用于制造乒乓球的材料及其制备方法
CN109810459B (zh) * 2018-12-27 2021-08-17 聚石化学(苏州)有限公司 一种乒乓球用abs/san复合材料及其制备方法和应用

Also Published As

Publication number Publication date
JPS60145817A (ja) 1985-08-01

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