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ES426706A1 - Un metodo de moldear un bloque de espuma de plastico con unasuperficie superior sustancialmente plana. - Google Patents

Un metodo de moldear un bloque de espuma de plastico con unasuperficie superior sustancialmente plana.

Info

Publication number
ES426706A1
ES426706A1 ES426706A ES426706A ES426706A1 ES 426706 A1 ES426706 A1 ES 426706A1 ES 426706 A ES426706 A ES 426706A ES 426706 A ES426706 A ES 426706A ES 426706 A1 ES426706 A1 ES 426706A1
Authority
ES
Spain
Prior art keywords
foam
support
forming members
reaction mixture
relative movement
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
Application number
ES426706A
Other languages
English (en)
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.)
Dunlop Ltd
Original Assignee
Dunlop 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 Dunlop Ltd filed Critical Dunlop Ltd
Publication of ES426706A1 publication Critical patent/ES426706A1/es
Expired 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
    • B29C44/34—Auxiliary operations
    • B29C44/58—Moulds
    • B29C44/586—Moulds with a cavity increasing in size during foaming
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Road Signs Or Road Markings (AREA)
  • Electrotherapy Devices (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Molding Of Porous Articles (AREA)
ES426706A 1973-05-29 1974-05-28 Un metodo de moldear un bloque de espuma de plastico con unasuperficie superior sustancialmente plana. Expired ES426706A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2543073A GB1425612A (en) 1973-05-29 1973-05-29 Moulding of plastics foam

Publications (1)

Publication Number Publication Date
ES426706A1 true ES426706A1 (es) 1977-01-01

Family

ID=10227546

Family Applications (1)

Application Number Title Priority Date Filing Date
ES426706A Expired ES426706A1 (es) 1973-05-29 1974-05-28 Un metodo de moldear un bloque de espuma de plastico con unasuperficie superior sustancialmente plana.

Country Status (19)

Country Link
JP (1) JPS5022064A (es)
AR (1) AR199346A1 (es)
BE (1) BE815707A (es)
BR (1) BR7404347D0 (es)
CA (1) CA1021118A (es)
CH (1) CH582056A5 (es)
DE (1) DE2426212A1 (es)
DK (1) DK288874A (es)
ES (1) ES426706A1 (es)
FI (1) FI162074A (es)
FR (1) FR2231503B1 (es)
GB (1) GB1425612A (es)
IE (1) IE39398B1 (es)
IT (1) IT1037060B (es)
NL (1) NL7406809A (es)
NO (1) NO140461C (es)
SE (1) SE402067B (es)
ZA (1) ZA743202B (es)
ZM (1) ZM8074A1 (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4666393A (en) * 1986-06-13 1987-05-19 Human Industry Corporation Apparatus for manufacturing polyurethane foam slabs in a batch
GB2291002A (en) * 1994-07-08 1996-01-17 Hoover Universal Apparatus and method for producing blocks of foam
CN111745882A (zh) * 2020-06-11 2020-10-09 溧阳市山湖实业有限公司 一种pu片材下移式发泡生产工艺及其生产设备
CN111974938B (zh) * 2020-08-27 2024-07-30 杭州欧宸科技有限公司 一种全自动泡沫模成型机

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2588151A (en) * 1948-09-30 1952-03-04 Gen Electric Apparatus for producing uniform foam structures
US2649620A (en) * 1951-08-01 1953-08-25 Union Carbide & Carbon Corp Casting expanded plastics

Also Published As

Publication number Publication date
CH582056A5 (es) 1976-11-30
AU6923274A (en) 1975-11-27
BR7404347D0 (pt) 1975-01-21
FR2231503A1 (es) 1974-12-27
IE39398B1 (en) 1978-09-27
DK288874A (es) 1975-01-20
NO741847L (no) 1974-12-02
GB1425612A (en) 1976-02-18
IT1037060B (it) 1979-11-10
SE7407047L (es) 1974-12-02
NO140461C (no) 1979-09-05
JPS5022064A (es) 1975-03-08
FR2231503B1 (es) 1976-12-24
ZA743202B (en) 1975-05-28
ZM8074A1 (en) 1974-12-20
CA1021118A (en) 1977-11-22
IE39398L (en) 1974-11-29
BE815707A (fr) 1974-09-16
NL7406809A (es) 1974-12-03
NO140461B (no) 1979-05-28
FI162074A (es) 1974-11-30
DE2426212A1 (de) 1974-12-19
AR199346A1 (es) 1974-08-23
SE402067B (sv) 1978-06-19

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