KR840007379A - 성형방법 및 장치 - Google Patents

성형방법 및 장치 Download PDF

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Publication number
KR840007379A
KR840007379A KR1019840000043A KR840000043A KR840007379A KR 840007379 A KR840007379 A KR 840007379A KR 1019840000043 A KR1019840000043 A KR 1019840000043A KR 840000043 A KR840000043 A KR 840000043A KR 840007379 A KR840007379 A KR 840007379A
Authority
KR
South Korea
Prior art keywords
mold
liner
foam
film
mold member
Prior art date
Application number
KR1019840000043A
Other languages
English (en)
Korean (ko)
Inventor
글렌 벤필드 세르우드
Original Assignee
글렌 벤필드 세르우드
폴리캐스트 코오포레이션
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 글렌 벤필드 세르우드, 폴리캐스트 코오포레이션 filed Critical 글렌 벤필드 세르우드
Publication of KR840007379A publication Critical patent/KR840007379A/ko

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
    • B29C44/1252—Removing portions of the preformed parts after the moulding step
    • 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
    • B29C33/50—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 elastic 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
    • B29C33/56—Coatings, e.g. enameled or galvanised; Releasing, lubricating or separating agents
    • B29C33/68—Release sheets
    • 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
    • B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • B29C37/0003—Discharging moulded articles from the mould
    • 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
    • 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
    • B29C51/00—Shaping by thermoforming, i.e. shaping sheets or sheet like preforms after heating, e.g. shaping sheets in matched moulds or by deep-drawing; Apparatus therefor
    • B29C51/10—Forming by pressure difference, e.g. vacuum

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Pinball Game Machines (AREA)
KR1019840000043A 1983-01-10 1984-01-07 성형방법 및 장치 KR840007379A (ko)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US45684283A 1983-01-10 1983-01-10
US456842 1983-01-10
US49882383A 1983-05-27 1983-05-27
US498823 1983-05-27

Publications (1)

Publication Number Publication Date
KR840007379A true KR840007379A (ko) 1984-12-07

Family

ID=27038384

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019840000043A KR840007379A (ko) 1983-01-10 1984-01-07 성형방법 및 장치

Country Status (10)

Country Link
EP (1) EP0131037A1 (da)
JP (1) JPS60500409A (da)
KR (1) KR840007379A (da)
DK (1) DK421884A (da)
ES (2) ES8504013A1 (da)
FI (1) FI840074A0 (da)
IL (1) IL70613A0 (da)
NO (1) NO843546L (da)
PT (1) PT77935B (da)
WO (1) WO1984002682A1 (da)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5071331A (en) * 1990-08-27 1991-12-10 Cabot Safety Corporation Mold for foam products
US5456586A (en) * 1993-07-07 1995-10-10 Carson; Scott Apparatus for manufacturing articles made of polyurethane

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3127457A (en) * 1960-11-18 1964-03-31 Du Pont Method of molding a polyurethane foam in a mold having an improved release agent
US3248758A (en) * 1964-05-15 1966-05-03 Gen Electric Mold for the manufacture of polyurethane foam articles
US3576930A (en) * 1970-04-20 1971-04-27 Goodyear Tire & Rubber Method of preparing molded articles

Also Published As

Publication number Publication date
FI840074A0 (fi) 1984-01-09
IL70613A0 (en) 1984-04-30
DK421884D0 (da) 1984-09-04
ES528686A0 (es) 1985-05-01
ES8504013A1 (es) 1985-05-01
NO843546L (no) 1984-09-06
EP0131037A1 (en) 1985-01-16
JPS60500409A (ja) 1985-03-28
PT77935B (en) 1986-04-16
WO1984002682A1 (en) 1984-07-19
DK421884A (da) 1984-09-04
ES8605181A1 (es) 1986-04-01
ES539896A0 (es) 1986-04-01
PT77935A (en) 1984-02-01

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Legal Events

Date Code Title Description
WITN Application deemed withdrawn, e.g. because no request for examination was filed or no examination fee was paid