BR7601633A - Processo aperfeicoado para a preparacao de espuma de poliolefina reticulada,e molde para a referida preparacao - Google Patents

Processo aperfeicoado para a preparacao de espuma de poliolefina reticulada,e molde para a referida preparacao

Info

Publication number
BR7601633A
BR7601633A BR7601633A BR7601633A BR7601633A BR 7601633 A BR7601633 A BR 7601633A BR 7601633 A BR7601633 A BR 7601633A BR 7601633 A BR7601633 A BR 7601633A BR 7601633 A BR7601633 A BR 7601633A
Authority
BR
Brazil
Prior art keywords
preparation
template
referred
cross
polyolefin foam
Prior art date
Application number
BR7601633A
Other languages
English (en)
Portuguese (pt)
Inventor
M Wada
S Matsubara
M Inoue
K Furukawa
Original Assignee
Sumitomo Chemical Co
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 JP50034820A external-priority patent/JPS5237501B2/ja
Priority claimed from JP50046246A external-priority patent/JPS51121077A/ja
Application filed by Sumitomo Chemical Co filed Critical Sumitomo Chemical Co
Publication of BR7601633A publication Critical patent/BR7601633A/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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/34—Auxiliary operations
    • B29C44/58—Moulds
    • B29C44/586—Moulds with a cavity increasing in size during foaming
    • 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
    • B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
    • B29C44/02—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of definite length, i.e. discrete articles
    • B29C44/10—Applying counter-pressure during expanding
    • 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
    • B29C45/37—Mould cavity walls, i.e. the inner surface forming the mould cavity, e.g. linings
    • 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
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/18—Cross-linking a thermoplastic linear foam during molding
    • 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
    • Y10S264/00—Plastic and nonmetallic article shaping or treating: processes
    • Y10S264/83—Injection molding of polyolefin-type foam
    • 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
    • Y10S425/014—Expansible and collapsible

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
BR7601633A 1975-03-22 1976-03-18 Processo aperfeicoado para a preparacao de espuma de poliolefina reticulada,e molde para a referida preparacao BR7601633A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP50034820A JPS5237501B2 (cg-RX-API-DMAC7.html) 1975-03-22 1975-03-22
JP50046246A JPS51121077A (en) 1975-04-15 1975-04-15 Method and mold for producing polyolefin crosslinking foam

Publications (1)

Publication Number Publication Date
BR7601633A true BR7601633A (pt) 1976-09-21

Family

ID=26373672

Family Applications (1)

Application Number Title Priority Date Filing Date
BR7601633A BR7601633A (pt) 1975-03-22 1976-03-18 Processo aperfeicoado para a preparacao de espuma de poliolefina reticulada,e molde para a referida preparacao

Country Status (7)

Country Link
US (1) US4073844A (cg-RX-API-DMAC7.html)
BR (1) BR7601633A (cg-RX-API-DMAC7.html)
DE (1) DE2611527A1 (cg-RX-API-DMAC7.html)
FR (1) FR2305448A1 (cg-RX-API-DMAC7.html)
GB (1) GB1516423A (cg-RX-API-DMAC7.html)
IT (1) IT1058026B (cg-RX-API-DMAC7.html)
PH (1) PH13792A (cg-RX-API-DMAC7.html)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2862153D1 (en) * 1977-10-24 1983-02-17 Ici Plc Making undercut mouldings
DE2806560B2 (de) * 1978-02-16 1981-05-07 Kabel- und Metallwerke Gutehoffnungshütte AG, 3000 Hannover Verfahren zur kontinuierlichen Herstellung wärmeisolierter Leitungsrohre
EP0006575B2 (fr) * 1978-06-22 1986-04-23 Gevaert, Omer Dispositif pour la préparation de produits alimentaires à base de céréales cuites et expansées
NO156481C (no) * 1978-09-13 1987-09-30 Bakelittfab As Fremgangsmaate til fremstilling av formlegemer av ekspandert plast.
US4363772A (en) * 1979-07-16 1982-12-14 Hidding Daniel P Method and apparatus for injection molding utilizing expandable cavity
US4525133A (en) * 1982-09-29 1985-06-25 Bergmann Conrad E Apparatus for packaging articles
DE3436458C1 (de) * 1984-10-05 1986-03-27 Eberhard 7336 Uhingen Hottenroth Verfahren und Vorrichtung zum Spritzgießen eines dünnwandigen Schaumstoff-Formteiles
JPH078505B2 (ja) * 1986-07-30 1995-02-01 株式会社イノアックコ−ポレ−ション プラスチツク発泡体の製造方法
DE69525358T2 (de) * 1994-10-10 2003-02-27 Tarocal Kirk No.7 Ltd., Christchurch Zweistufiges verfahren zur herstellung von schaumkörpern von rohrförmigen gegenständen
GB2328638B (en) * 1997-08-28 1999-09-22 Sun Own Ind Co Ltd Method for making a surfboard
US6797737B1 (en) * 1999-07-01 2004-09-28 E. I. Du Pont De Nemours And Company Crosslinked foam of ethylene vinyl acetate copolymer and acid copolymer
US6528550B1 (en) * 1999-07-01 2003-03-04 E. I. Du Pont De Nemours And Company Crosslinked foam of ethylene vinyl acetate copolymer and acid copolymer
US6348167B1 (en) * 2000-06-12 2002-02-19 Sun Own Industrial Co., Ltd. Method of making a surfboard
WO2006040776A1 (en) * 2004-10-12 2006-04-20 Pulin Jayantilal Shah Method for manufacturing plastic moulds for making foamed articles
US20080175942A1 (en) * 2007-01-22 2008-07-24 Hsieh Chi-Jin Shoe mold with blowing arrangement for injection foam molding
CN102481712A (zh) * 2009-08-28 2012-05-30 国际密封系统公司 由泡沫聚合物材料压缩成型塑料盖的方法
JP5744487B2 (ja) * 2010-11-24 2015-07-08 キヤノン株式会社 発泡樹脂成形用金型、発泡樹脂成形品の製造方法及び発泡樹脂成形品
NL2011765C2 (nl) * 2013-11-08 2015-05-19 Vitaplus Nederland B V Inrichting en werkwijze voor het begrenzen van de hoeveelheid fluïdum.

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2530289A (en) * 1948-08-25 1950-11-14 Whitney Blake Co Method for molding objects of sponge rubber and the like
US3058161A (en) * 1956-02-24 1962-10-16 Dow Chemical Co A method of molding expandable thermoplastic resinous beads
US3098832A (en) * 1959-05-01 1963-07-23 Us Rubber Co Process for expanding polyethylene
US3098831A (en) * 1959-05-01 1963-07-23 Us Rubber Co Expanded polyethylene and method of making the same
US3029472A (en) * 1959-11-18 1962-04-17 Dow Chemical Co Preform injection foam molder
GB1051320A (en) * 1964-01-13 1966-12-14 W.R. Grace & Co. Micro-porous polyethylene and a process for the manufacture thereof
US3394214A (en) * 1964-08-10 1968-07-23 Grace W R & Co Method of increasing the tensile strength of a crosslinked ethylene polymer by compression
US3596318A (en) * 1969-01-07 1971-08-03 Usm Corp Mold assembly for molding of foamed plastic articles
US3923922A (en) * 1971-01-06 1975-12-02 Borg Warner Epoxy-crosslinked, foamed nitrile containing polymers and method of preparing same

Also Published As

Publication number Publication date
DE2611527A1 (de) 1976-09-23
US4073844A (en) 1978-02-14
FR2305448B1 (cg-RX-API-DMAC7.html) 1979-02-02
GB1516423A (en) 1978-07-05
FR2305448A1 (fr) 1976-10-22
IT1058026B (it) 1982-04-10
PH13792A (en) 1980-10-01

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