FR2323518A1 - METHOD AND APPARATUS FOR MANUFACTURING POLYISOCYANATE FOAM WITH ISOTROPIC CELLS - Google Patents

METHOD AND APPARATUS FOR MANUFACTURING POLYISOCYANATE FOAM WITH ISOTROPIC CELLS

Info

Publication number
FR2323518A1
FR2323518A1 FR7532971A FR7532971A FR2323518A1 FR 2323518 A1 FR2323518 A1 FR 2323518A1 FR 7532971 A FR7532971 A FR 7532971A FR 7532971 A FR7532971 A FR 7532971A FR 2323518 A1 FR2323518 A1 FR 2323518A1
Authority
FR
France
Prior art keywords
manufacturing
polyisocyanate foam
isotropic cells
isotropic
cells
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
FR7532971A
Other languages
French (fr)
Other versions
FR2323518B1 (en
Inventor
Hiroshi Komada
Kuniyasu Nakamura
Ryoichi Miyagaki
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.)
Nihon Soflan Chem & Eng
Original Assignee
Nihon Soflan Chem & Eng
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 Nihon Soflan Chem & Eng filed Critical Nihon Soflan Chem & Eng
Publication of FR2323518A1 publication Critical patent/FR2323518A1/en
Application granted granted Critical
Publication of FR2323518B1 publication Critical patent/FR2323518B1/fr
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
    • B29C44/34—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
    • 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
    • B29C44/10—Applying counter-pressure during expanding
FR7532971A 1975-09-12 1975-10-28 METHOD AND APPARATUS FOR MANUFACTURING POLYISOCYANATE FOAM WITH ISOTROPIC CELLS Granted FR2323518A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50111453A JPS5848338B2 (en) 1975-09-12 1975-09-12 Polyisocyanate Polyisocyanate Narabini Sonosouchi

Publications (2)

Publication Number Publication Date
FR2323518A1 true FR2323518A1 (en) 1977-04-08
FR2323518B1 FR2323518B1 (en) 1979-04-06

Family

ID=14561594

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7532971A Granted FR2323518A1 (en) 1975-09-12 1975-10-28 METHOD AND APPARATUS FOR MANUFACTURING POLYISOCYANATE FOAM WITH ISOTROPIC CELLS

Country Status (6)

Country Link
JP (1) JPS5848338B2 (en)
CA (1) CA1048699A (en)
DE (1) DE2547549C3 (en)
FR (1) FR2323518A1 (en)
GB (1) GB1505286A (en)
IT (1) IT1043738B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2359697A1 (en) * 1976-07-29 1978-02-24 Upjohn Co METHOD AND APPARATUS FOR MOLDING ISOTROPIC BLOCKS OF A POLYMER FOAM

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2929165C2 (en) * 1979-07-19 1981-12-24 Röhm GmbH, 6100 Darmstadt Process for the production of a foam board
JPS63160809A (en) * 1986-12-25 1988-07-04 Human Ind Corp Batch type forming equipment for urethane foam slab
DE102008007078B3 (en) * 2008-01-31 2009-05-28 Bayer Materialscience Ag Method for discontinuously producing a block foam material e.g. polyurethane foam material, comprises introducing a container on a base of a molding box, and filling the container with reaction components and then removing the container

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5250060A (en) * 1975-10-20 1977-04-21 Kyowa Shinku Gijutsu Kk Vacuum defreezing process for freezed substance and its apparatus

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
NEANT *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2359697A1 (en) * 1976-07-29 1978-02-24 Upjohn Co METHOD AND APPARATUS FOR MOLDING ISOTROPIC BLOCKS OF A POLYMER FOAM

Also Published As

Publication number Publication date
DE2547549C3 (en) 1979-05-10
IT1043738B (en) 1980-02-29
DE2547549A1 (en) 1977-03-24
CA1048699A (en) 1979-02-13
DE2547549B2 (en) 1978-09-21
JPS5235296A (en) 1977-03-17
AU8596475A (en) 1977-05-19
JPS5848338B2 (en) 1983-10-27
FR2323518B1 (en) 1979-04-06
GB1505286A (en) 1978-03-30

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Legal Events

Date Code Title Description
ST Notification of lapse