DK421884A - Fremgangsmaade og apparat til formstoebning af opskummelige formstoffer - Google Patents

Fremgangsmaade og apparat til formstoebning af opskummelige formstoffer Download PDF

Info

Publication number: DK421884A
Authority: DK; Denmark
Prior art keywords: procedure; basic opening; basic; opening
Prior art date: 1983-01-10

Application number

DK421884A

Other languages

English (en)

Other versions

DK421884D0 (da

Inventor

Sherwood Glenn Benfield

Original Assignee

Polycast Corp

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.)

1983-01-10

Filing date

1984-09-04

Publication date

1984-09-04

1984-09-04 Application filed by Polycast Corp filed Critical Polycast Corp

1984-09-04 Publication of DK421884D0 publication Critical patent/DK421884D0/da

1984-09-04 Publication of DK421884A publication Critical patent/DK421884A/da

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)
Molding Of Porous Articles (AREA)
Pinball Game Machines (AREA)

DK421884A 1983-01-10 1984-09-04 Fremgangsmaade og apparat til formstoebning af opskummelige formstoffer DK421884A (da)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
US45684283A	1983-01-10	1983-01-10
US49882383A	1983-05-27	1983-05-27
PCT/US1983/002057 WO1984002682A1 (en)	1983-01-10	1983-12-27	Method and apparatus for molding

Publications (2)

Publication Number	Publication Date
DK421884D0 DK421884D0 (da)	1984-09-04
DK421884A true DK421884A (da)	1984-09-04

Family

ID=27038384

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DK421884A DK421884A (da)	1983-01-10	1984-09-04	Fremgangsmaade og apparat til formstoebning af opskummelige formstoffer

Country Status (10)

Country	Link
EP (1)	EP0131037A1 (da)
JP (1)	JPS60500409A (da)
KR (1)	KR840007379A (da)
DK (1)	DK421884A (da)
ES (2)	ES528686A0 (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

1983
- 1983-12-27 JP JP84500550A patent/JPS60500409A/ja active Pending
- 1983-12-27 EP EP84900480A patent/EP0131037A1/en not_active Withdrawn
- 1983-12-27 WO PCT/US1983/002057 patent/WO1984002682A1/en not_active Ceased
1984
- 1984-01-03 IL IL70613A patent/IL70613A0/xx unknown
- 1984-01-04 ES ES528686A patent/ES528686A0/es active Granted
- 1984-01-07 KR KR1019840000043A patent/KR840007379A/ko not_active Withdrawn
- 1984-01-09 PT PT77935A patent/PT77935B/pt unknown
- 1984-01-09 FI FI840074A patent/FI840074A0/fi not_active Application Discontinuation
- 1984-09-04 DK DK421884A patent/DK421884A/da not_active Application Discontinuation
- 1984-09-06 NO NO843546A patent/NO843546L/no unknown
1985
- 1985-01-28 ES ES539896A patent/ES8605181A1/es not_active Expired

Also Published As

Publication number	Publication date
ES8605181A1 (es)	1986-04-01
EP0131037A1 (en)	1985-01-16
PT77935B (en)	1986-04-16
IL70613A0 (en)	1984-04-30
JPS60500409A (ja)	1985-03-28
ES8504013A1 (es)	1985-05-01
ES528686A0 (es)	1985-05-01
DK421884D0 (da)	1984-09-04
NO843546L (no)	1984-09-06
ES539896A0 (es)	1986-04-01
PT77935A (en)	1984-02-01
KR840007379A (ko)	1984-12-07
FI840074A0 (fi)	1984-01-09
WO1984002682A1 (en)	1984-07-19

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Legal Events

Date	Code	Title	Description
1986-09-15	AHB	Application shelved due to non-payment