JPS63221020A - アンダ−カツトを有する成型品の製造方法 - Google Patents

アンダ−カツトを有する成型品の製造方法

Info

Publication number
JPS63221020A
JPS63221020A JP5581387A JP5581387A JPS63221020A JP S63221020 A JPS63221020 A JP S63221020A JP 5581387 A JP5581387 A JP 5581387A JP 5581387 A JP5581387 A JP 5581387A JP S63221020 A JPS63221020 A JP S63221020A
Authority
JP
Japan
Prior art keywords
mold
expandable
core
undercut
pressure
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
JP5581387A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0560408B2 (enrdf_load_stackoverflow
Inventor
Kenji Takatani
高谷　賢二
Manabu Sudo
学 須藤
Tadayuki Aono
忠行 青野
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.)
Zojirushi Corp
Original Assignee
Zojirushi Vacuum Bottle 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 Zojirushi Vacuum Bottle Co Ltd filed Critical Zojirushi Vacuum Bottle Co Ltd
Priority to JP5581387A priority Critical patent/JPS63221020A/ja
Publication of JPS63221020A publication Critical patent/JPS63221020A/ja
Publication of JPH0560408B2 publication Critical patent/JPH0560408B2/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
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/48—Moulds
    • B29C49/54—Moulds for undercut 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
    • B29C49/00—Blow-moulding, i.e. blowing a preform or parison to a desired shape within a mould; Apparatus therefor
    • B29C49/42—Component parts, details or accessories; Auxiliary operations
    • B29C49/48—Moulds
    • B29C49/54—Moulds for undercut articles
    • B29C2049/542—Moulds for undercut articles having means to facilitate the removal of the blow moulded articles
    • B29C2049/547—Moulds for undercut articles having means to facilitate the removal of the blow moulded articles which are self actuated during the removing of the blow moulded articles, e.g. the means are spring loaded or flexible
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/44—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles
    • B29C33/46—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles using fluid pressure

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
JP5581387A 1987-03-11 1987-03-11 アンダ−カツトを有する成型品の製造方法 Granted JPS63221020A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5581387A JPS63221020A (ja) 1987-03-11 1987-03-11 アンダ−カツトを有する成型品の製造方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5581387A JPS63221020A (ja) 1987-03-11 1987-03-11 アンダ−カツトを有する成型品の製造方法

Publications (2)

Publication Number Publication Date
JPS63221020A true JPS63221020A (ja) 1988-09-14
JPH0560408B2 JPH0560408B2 (enrdf_load_stackoverflow) 1993-09-02

Family

ID=13009372

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5581387A Granted JPS63221020A (ja) 1987-03-11 1987-03-11 アンダ−カツトを有する成型品の製造方法

Country Status (1)

Country Link
JP (1) JPS63221020A (enrdf_load_stackoverflow)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5037289A (en) * 1988-11-30 1991-08-06 Kabushiki Kaisha Placo Blow molding mold for forming hollow double-walled product and blow molding apparatus using such mold
JPH06182835A (ja) * 1992-12-18 1994-07-05 Nissei Plastics Ind Co 射出成形用金型
JP2007532344A (ja) * 2004-04-07 2007-11-15 クレッシェンド・アクティーゼルスカブ ヘルメット、ヘルメットライナ、及びそれらを製造する方法
WO2020113145A1 (en) * 2018-11-28 2020-06-04 Lifetime Products, Inc. Blow-molded plastic structures

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55103357A (en) * 1979-01-31 1980-08-07 Kanegafuchi Chemical Ind Mold and method for molding fabric having undercut by heat

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS55103357A (en) * 1979-01-31 1980-08-07 Kanegafuchi Chemical Ind Mold and method for molding fabric having undercut by heat

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5037289A (en) * 1988-11-30 1991-08-06 Kabushiki Kaisha Placo Blow molding mold for forming hollow double-walled product and blow molding apparatus using such mold
JPH06182835A (ja) * 1992-12-18 1994-07-05 Nissei Plastics Ind Co 射出成形用金型
JP2007532344A (ja) * 2004-04-07 2007-11-15 クレッシェンド・アクティーゼルスカブ ヘルメット、ヘルメットライナ、及びそれらを製造する方法
WO2020113145A1 (en) * 2018-11-28 2020-06-04 Lifetime Products, Inc. Blow-molded plastic structures

Also Published As

Publication number Publication date
JPH0560408B2 (enrdf_load_stackoverflow) 1993-09-02

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