CA2102608C - A cushioning composite molded article and a process for production thereof - Google Patents

A cushioning composite molded article and a process for production thereof

Info

Publication number
CA2102608C
CA2102608C CA 2102608 CA2102608A CA2102608C CA 2102608 C CA2102608 C CA 2102608C CA 2102608 CA2102608 CA 2102608 CA 2102608 A CA2102608 A CA 2102608A CA 2102608 C CA2102608 C CA 2102608C
Authority
CA
Canada
Prior art keywords
mold
elastomer
molded article
cushioning
rigid
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 - Lifetime
Application number
CA 2102608
Other languages
English (en)
French (fr)
Other versions
CA2102608A1 (en
Inventor
Toshinori Koseki
Kunio Maeda
Syoichi Kanno
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.)
Kobe Steel Ltd
Original Assignee
Kobe Steel 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 Kobe Steel Ltd filed Critical Kobe Steel Ltd
Publication of CA2102608A1 publication Critical patent/CA2102608A1/en
Application granted granted Critical
Publication of CA2102608C publication Critical patent/CA2102608C/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • B29C44/12—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
    • B29C44/1276—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements the preformed parts being three dimensional structures which are wholly or partially penetrated by the foam
    • 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
    • B29C44/04—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 consisting of at least two parts of chemically or physically different materials, e.g. having different densities
    • B29C44/0407—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 consisting of at least two parts of chemically or physically different materials, e.g. having different densities by regulating the temperature of the mould or parts thereof, e.g. cold mould walls inhibiting foaming of an outer layer
    • 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
    • B29C44/08—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 using several expanding or moulding steps
    • B29C44/083—Increasing the size of the cavity after a first part has foamed, e.g. substituting one mould part with another
    • B29C44/086—Increasing the size of the cavity after a first part has foamed, e.g. substituting one mould part with another and feeding more material into the enlarged cavity
    • 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
    • B29C44/12—Incorporating or moulding on preformed parts, e.g. inserts or reinforcements
CA 2102608 1992-03-10 1993-03-10 A cushioning composite molded article and a process for production thereof Expired - Lifetime CA2102608C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP04-086092 1992-03-10
JP8609292 1992-03-10

Publications (2)

Publication Number Publication Date
CA2102608A1 CA2102608A1 (en) 1993-09-11
CA2102608C true CA2102608C (en) 1997-03-25

Family

ID=13877071

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2102608 Expired - Lifetime CA2102608C (en) 1992-03-10 1993-03-10 A cushioning composite molded article and a process for production thereof

Country Status (6)

Country Link
KR (1) KR0124927B1 (ja)
CA (1) CA2102608C (ja)
DE (2) DE4390938C3 (ja)
GB (1) GB2273457B (ja)
TW (1) TW252074B (ja)
WO (1) WO1993017854A1 (ja)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4342729C2 (de) * 1993-12-15 1995-10-26 Moeller Werke Gmbh Verfahren zum Herstellen von Kunststofformteilen mit Kaschierung aus Dekormaterial
DE4417952A1 (de) * 1994-05-21 1995-11-23 Petri Ag Abdeckung für Gassack-Aufprall-Schutzeinrichtungen sowie Verfahren zu ihrer Herstellung
DE10014156A1 (de) * 2000-03-22 2001-10-11 Daimler Chrysler Ag Verfahren zur Herstellung eines geschäumten Kunststoffteils
US20060082109A1 (en) * 2004-10-20 2006-04-20 Hier Michael J Method of making an automotive trim assembly having an integrated airbag door
DE102008017508A1 (de) * 2008-04-04 2009-10-08 Otto Bock Schaumsysteme Gmbh Verfahren zur Herstellung eines Formteils
KR101358824B1 (ko) * 2012-03-21 2014-02-11 주식회사 한국 오.지.케이 열성형 접착방식을 이용한 운전자용 기능성 보호장구
KR20220153385A (ko) 2021-05-11 2022-11-18 경희대학교 산학협력단 에너지 하베스팅을 이용한 족압 실시간 측정장치, 그 장치를 갖는 휴대용 웨어러블 무전원 모니터링 시스템 및 방법

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1282294B (de) * 1965-05-17 1968-11-07 Desma Werke Gmbh Verfahren zur Herstellung von Fussbettsohlen aus blaehbarem Werkstoff und Spritzgiessform zur Durchfuehrung des Verfahrens
JPS55217B2 (ja) * 1972-05-31 1980-01-07
GB1510300A (en) * 1974-04-01 1978-05-10 Ici Ltd Injection moulding
DE2416694A1 (de) * 1974-04-05 1975-10-23 Schloemann Siemag Ag Vorrichtung zur herstellung von formteilen aus kunststoff
KR900004544B1 (ko) * 1986-09-19 1990-06-29 도요다 고세이 가부시끼 가이샤 연질수지 사출 성형품
JPH0755514B2 (ja) * 1986-09-19 1995-06-14 しげる工業株式会社 積層製品の射出成形方法
JPH089185B2 (ja) * 1988-03-31 1996-01-31 豊田合成株式会社 軟質樹脂成形品及びその製造方法

Also Published As

Publication number Publication date
KR0124927B1 (ko) 1997-12-01
CA2102608A1 (en) 1993-09-11
DE4390938T1 (de) 1994-05-05
WO1993017854A1 (fr) 1993-09-16
DE4390938C2 (de) 1996-03-21
DE4390938C3 (de) 1999-02-11
TW252074B (ja) 1995-07-21
GB9322239D0 (en) 1994-03-09
GB2273457B (en) 1996-03-27
GB2273457A (en) 1994-06-22

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Legal Events

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