PT83274A - Nucleo de molde retraivel - Google Patents

Nucleo de molde retraivel

Info

Publication number
PT83274A
PT83274A PT83274A PT8327486A PT83274A PT 83274 A PT83274 A PT 83274A PT 83274 A PT83274 A PT 83274A PT 8327486 A PT8327486 A PT 8327486A PT 83274 A PT83274 A PT 83274A
Authority
PT
Portugal
Prior art keywords
retractable
nucleus
mole
retractable mole
mole nucleus
Prior art date
Application number
PT83274A
Other languages
English (en)
Other versions
PT83274B (pt
Original Assignee
Clarke & Co Moulds Ltd R
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
Priority claimed from GB858521591A external-priority patent/GB8521591D0/en
Application filed by Clarke & Co Moulds Ltd R filed Critical Clarke & Co Moulds Ltd R
Publication of PT83274A publication Critical patent/PT83274A/pt
Publication of PT83274B publication Critical patent/PT83274B/pt

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
    • 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
    • B29C33/48—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 with means for collapsing or disassembling
    • B29C33/485—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 with means for collapsing or disassembling cores or mandrels
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S425/00—Plastic article or earthenware shaping or treating: apparatus
    • Y10S425/005—Cammed

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
PT83274A 1985-08-30 1986-08-28 Nucleo de molde retraivel PT83274B (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB858521591A GB8521591D0 (en) 1985-08-30 1985-08-30 Collapsible mould core
GB08527885A GB2179583A (en) 1985-08-30 1985-11-12 Collapsible mould core

Publications (2)

Publication Number Publication Date
PT83274A true PT83274A (pt) 1986-09-01
PT83274B PT83274B (pt) 1992-10-30

Family

ID=26289710

Family Applications (1)

Application Number Title Priority Date Filing Date
PT83274A PT83274B (pt) 1985-08-30 1986-08-28 Nucleo de molde retraivel

Country Status (10)

Country Link
US (1) US4771981A (pt)
EP (1) EP0218345B1 (pt)
CN (1) CN1004196B (pt)
AU (1) AU586884B2 (pt)
BR (1) BR8604073A (pt)
DE (1) DE3666178D1 (pt)
ES (1) ES2001406A6 (pt)
IN (1) IN168478B (pt)
NZ (1) NZ217279A (pt)
PT (1) PT83274B (pt)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4011784C2 (de) * 1989-10-05 1993-12-23 Geiger Plastic Verwaltung Formwerkzeug
US5279491A (en) * 1992-05-28 1994-01-18 Outboard Marine Corporation Molding apparatus including core for molding zero-draft hole
US5403179A (en) * 1993-10-29 1995-04-04 Ramsey; William C. Collapsible mold core assembly
EP0678320B1 (en) * 1994-04-18 1997-08-06 Yoshiteru Yagishita Method of fabricating molded filter element
US5736172A (en) * 1996-05-07 1998-04-07 Alcoa Closure Systems International, Inc. Staged sequentially separated injection mold apparatus for forming container closures
US7476354B2 (en) 2004-09-22 2009-01-13 Clack Corporation Method and apparatus for making a blow molded article with integral insert
GB2441979A (en) * 2006-09-25 2008-03-26 Gordon Willis Improvements in shuttlecocks
JP5464138B2 (ja) 2010-12-16 2014-04-09 豊田合成株式会社 Ｃｖｊブーツ成形用金型及びｃｖｊブーツ成形方法
US8585392B2 (en) 2011-05-24 2013-11-19 F&S Tool, Inc. Compression molding with successive stage cooling channels
US9034455B2 (en) * 2012-06-28 2015-05-19 Avent, Inc. Branching core-pin assembly and system for forming branching channels
US20140134287A1 (en) * 2012-11-14 2014-05-15 Jerry Wang Lee Mold for traffic cones
CN109434028A (zh) * 2018-12-29 2019-03-08 广东肇庆动力金属股份有限公司 一种具有收缩功能的内芯模
CN109465400A (zh) * 2018-12-29 2019-03-15 广东肇庆动力金属股份有限公司 一种可收缩的内芯模
CN109434027A (zh) * 2018-12-29 2019-03-08 广东肇庆动力金属股份有限公司 一种内芯模

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1045350A (en) * 1963-11-12 1966-10-12 Ketch Plastics Ltd Collapsible tools for use in the moulding, casting or pressing of hollow articles
GB1592207A (en) * 1977-10-24 1981-07-01 Geyer Werkzeugbau Gmbh & Co Kg Collapsible cores for the manufacture of moulded components
GB1592208A (en) * 1977-10-24 1981-07-01 Geyer Werkzeugbau Gmbh & Co Lt Collapsible cores for the manufacture of moulded components
AT359276B (de) * 1977-11-03 1980-10-27 Metallwarenfabrik Fischamend Kollabierender kern fuer giessformen
JPS56118833A (en) * 1980-02-26 1981-09-18 Toshiba Mach Co Ltd Mold for forming
GB2100172B (en) * 1981-06-12 1985-05-22 Holdt J W Von Collapsible mould cores
FR2509220A1 (fr) * 1981-07-07 1983-01-14 Holdt John Von Noyau de moule demontable, notamment pour matieres plastiques
US4533312A (en) * 1982-12-27 1985-08-06 Holdt J W Von Simplified collapsible mold core
JPS59150715A (ja) * 1983-02-16 1984-08-29 Daiichi Gaiyaa Kk 金型部材
DE3338686A1 (de) * 1983-10-25 1985-05-09 Wilhelm Rogg Kunststoff-Metallisierung, 8500 Nürnberg Formkern mit zerfalleinrichtung

Also Published As

Publication number Publication date
EP0218345B1 (en) 1989-10-11
EP0218345A1 (en) 1987-04-15
BR8604073A (pt) 1987-04-14
CN86105378A (zh) 1987-04-01
ES2001406A6 (es) 1988-05-16
DE3666178D1 (en) 1989-11-16
CN1004196B (zh) 1989-05-17
NZ217279A (en) 1988-06-30
PT83274B (pt) 1992-10-30
IN168478B (pt) 1991-04-13
AU6201186A (en) 1987-03-05
US4771981A (en) 1988-09-20
AU586884B2 (en) 1989-07-27

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Legal Events

Date Code Title Description
FG3A Patent granted, date of granting

Effective date: 19920409

MM3A Annulment or lapse

Free format text: LAPSE DUE TO NON-PAYMENT OF FEES

Effective date: 19931031