ES528686A0 - Metodo de fabricar articulos de espuma moldeados. - Google Patents

Metodo de fabricar articulos de espuma moldeados.

Info

Publication number
ES528686A0
ES528686A0 ES528686A ES528686A ES528686A0 ES 528686 A0 ES528686 A0 ES 528686A0 ES 528686 A ES528686 A ES 528686A ES 528686 A ES528686 A ES 528686A ES 528686 A0 ES528686 A0 ES 528686A0
Authority
ES
Spain
Prior art keywords
molded foam
manufacturing molded
foam items
items
manufacturing
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.)
Granted
Application number
ES528686A
Other languages
English (en)
Spanish (es)
Other versions
ES8504013A1 (es
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.)
POLYCAST CORP
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.)
Filing date
Publication date
Application filed by POLYCAST CORP filed Critical POLYCAST CORP
Publication of ES8504013A1 publication Critical patent/ES8504013A1/es
Publication of ES528686A0 publication Critical patent/ES528686A0/es
Granted 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
    • B29C44/1252—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)
ES528686A 1983-01-10 1984-01-04 Metodo de fabricar articulos de espuma moldeados. Granted ES528686A0 (es)

Applications Claiming Priority (2)

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

Publications (2)

Publication Number Publication Date
ES8504013A1 ES8504013A1 (es) 1985-05-01
ES528686A0 true ES528686A0 (es) 1985-05-01

Family

ID=27038384

Family Applications (2)

Application Number Title Priority Date Filing Date
ES528686A Granted ES528686A0 (es) 1983-01-10 1984-01-04 Metodo de fabricar articulos de espuma moldeados.
ES539896A Expired ES8605181A1 (es) 1983-01-10 1985-01-28 Perfeccionamientos en los aparatos de moldear materiales en espuma

Family Applications After (1)

Application Number Title Priority Date Filing Date
ES539896A Expired ES8605181A1 (es) 1983-01-10 1985-01-28 Perfeccionamientos en los aparatos de moldear materiales en espuma

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

Also Published As

Publication number Publication date
PT77935A (en) 1984-02-01
DK421884D0 (da) 1984-09-04
ES8504013A1 (es) 1985-05-01
ES539896A0 (es) 1986-04-01
NO843546L (no) 1984-09-06
DK421884A (da) 1984-09-04
JPS60500409A (ja) 1985-03-28
FI840074A0 (fi) 1984-01-09
PT77935B (en) 1986-04-16
ES8605181A1 (es) 1986-04-01
EP0131037A1 (en) 1985-01-16
KR840007379A (ko) 1984-12-07
WO1984002682A1 (en) 1984-07-19
IL70613A0 (en) 1984-04-30

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