CA1298047C - Methode de moulage par injection permettant de fabriquer des produits en materiaux mousses - Google Patents

Methode de moulage par injection permettant de fabriquer des produits en materiaux mousses

Info

Publication number
CA1298047C
CA1298047C CA000547125A CA547125A CA1298047C CA 1298047 C CA1298047 C CA 1298047C CA 000547125 A CA000547125 A CA 000547125A CA 547125 A CA547125 A CA 547125A CA 1298047 C CA1298047 C CA 1298047C
Authority
CA
Canada
Prior art keywords
raw material
foamed
mold
cavity
nozzle
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 - Fee Related
Application number
CA000547125A
Other languages
English (en)
Inventor
Hideo Kikuchi
Mitsuo Wada
Yasuo Nishimura
Yoshio Kinoshita
Osamu Endo
Mitsuaki Okada
Makoto Shimada
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.)
Kobayashi KK
Shigeru Kogyo KK
Original Assignee
Kobayashi KK
Shigeru Kogyo KK
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 JP61221068A external-priority patent/JPH0755514B2/ja
Priority claimed from JP61221067A external-priority patent/JPH0729319B2/ja
Application filed by Kobayashi KK, Shigeru Kogyo KK filed Critical Kobayashi KK
Application granted granted Critical
Publication of CA1298047C publication Critical patent/CA1298047C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/20—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for porous or cellular articles, e.g. of foam plastics, coarse-pored
    • 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
    • B29C44/36—Feeding the material to be shaped
    • B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
    • B29C44/42—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length using pressure difference, e.g. by injection or by vacuum
    • 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
    • B29C44/3415—Heating or cooling
    • 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
    • B29C33/442—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 mechanical ejector or drive means therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
CA000547125A 1986-09-19 1987-09-17 Methode de moulage par injection permettant de fabriquer des produits en materiaux mousses Expired - Fee Related CA1298047C (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP61221068A JPH0755514B2 (ja) 1986-09-19 1986-09-19 積層製品の射出成形方法
JP61221067A JPH0729319B2 (ja) 1986-09-19 1986-09-19 発泡製品の射出成形方法およびその装置
JP61-221068 1986-09-19
JP61-221067 1986-09-19

Publications (1)

Publication Number Publication Date
CA1298047C true CA1298047C (fr) 1992-03-31

Family

ID=26524063

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000547125A Expired - Fee Related CA1298047C (fr) 1986-09-19 1987-09-17 Methode de moulage par injection permettant de fabriquer des produits en materiaux mousses

Country Status (5)

Country Link
KR (1) KR890004853A (fr)
AU (1) AU601483B2 (fr)
CA (1) CA1298047C (fr)
DE (1) DE3730611A1 (fr)
GB (1) GB2197244B (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU601483B2 (en) * 1986-09-19 1990-09-13 Kabushiki Kaisha Kobayashi Method of injection-molding foamed products
AT408076B (de) * 1996-10-07 2001-08-27 Mepura Metallpulver Verfahren zur herstellung von schaummetall- bzw. schaummetall/metall-verbund-formkörpern, anlage zu deren herstellung und deren verwendung
US6604933B1 (en) 2000-09-14 2003-08-12 Samuel Lee Kern Universal nozzle tip for injection molding
KR102584647B1 (ko) * 2021-12-14 2023-10-05 (주)너나들이 층간 소음 방지재 및 이의 제조 방법

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH507801A (fr) * 1968-02-05 1971-03-31 Resine Granulate Termoplastich Procedimento per la produzione di materiale plastico espanso, e prodotto con esso ottenuto
DE2116184A1 (en) * 1971-04-02 1972-10-12 Belton As Reinforced synthetic window frame
AU518083B2 (en) * 1978-12-15 1981-09-10 Airco Inc. Disposable face mask
DD232456B1 (de) * 1984-10-08 1988-07-06 Karl Marx Stadt Tech Hochschul Vorrichtung zur erwaermung plastischer massen
AU601483B2 (en) * 1986-09-19 1990-09-13 Kabushiki Kaisha Kobayashi Method of injection-molding foamed products

Also Published As

Publication number Publication date
DE3730611A1 (de) 1988-04-07
KR890004853A (ko) 1989-05-10
GB8721563D0 (en) 1987-10-21
AU601483B2 (en) 1990-09-13
AU7821087A (en) 1988-03-24
GB2197244A (en) 1988-05-18
GB2197244B (en) 1990-01-10

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Legal Events

Date Code Title Description
MKLA Lapsed