AR202806A1 - POLIADITION PROCESS AND APPARATUS FOR ITS REALIZATION - Google Patents

POLIADITION PROCESS AND APPARATUS FOR ITS REALIZATION

Info

Publication number
AR202806A1
AR202806A1 AR251455A AR25145573A AR202806A1 AR 202806 A1 AR202806 A1 AR 202806A1 AR 251455 A AR251455 A AR 251455A AR 25145573 A AR25145573 A AR 25145573A AR 202806 A1 AR202806 A1 AR 202806A1
Authority
AR
Argentina
Prior art keywords
poliadition
realization
poliadition process
Prior art date
Application number
AR251455A
Other languages
Spanish (es)
Original Assignee
Romanillos F
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
Priority claimed from ES73418110A external-priority patent/ES418110A1/en
Priority claimed from ES419306A external-priority patent/ES419306A2/en
Application filed by Romanillos F filed Critical Romanillos F
Application granted granted Critical
Publication of AR202806A1 publication Critical patent/AR202806A1/en

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
    • B29C44/56—After-treatment of articles, e.g. for altering the shape
    • B29C44/5627—After-treatment of articles, e.g. for altering the shape by mechanical deformation, e.g. crushing, embossing, stretching
    • B29C44/5663—After-treatment of articles, e.g. for altering the shape by mechanical deformation, e.g. crushing, embossing, stretching by perforating the foam, e.g. to open the cells
    • 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
    • B29C44/36—Feeding the material to be shaped
    • B29C44/46—Feeding the material to be shaped into an open space or onto moving surfaces, i.e. to make articles of indefinite length
    • B29C44/467—Foam spreading or levelling devices

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)
AR251455A 1973-08-22 1973-12-11 POLIADITION PROCESS AND APPARATUS FOR ITS REALIZATION AR202806A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
ES73418110A ES418110A1 (en) 1973-08-22 1973-08-22 Improved system in an industrial polyadition process. (Machine-translation by Google Translate, not legally binding)
ES419306A ES419306A2 (en) 1973-10-03 1973-10-03 Improved system in an industrial polyadition process. (Machine-translation by Google Translate, not legally binding)

Publications (1)

Publication Number Publication Date
AR202806A1 true AR202806A1 (en) 1975-07-24

Family

ID=26155867

Family Applications (1)

Application Number Title Priority Date Filing Date
AR251455A AR202806A1 (en) 1973-08-22 1973-12-11 POLIADITION PROCESS AND APPARATUS FOR ITS REALIZATION

Country Status (4)

Country Link
JP (1) JPS5045866A (en)
AR (1) AR202806A1 (en)
BR (1) BR7406913D0 (en)
GB (1) GB1476177A (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS51133362A (en) * 1975-05-14 1976-11-19 Kohkoku Chem Ind Valuable block urethane foam and method of producing same and device therefor
EP0689920B1 (en) * 1994-06-29 1999-10-13 Hennecke GmbH Method and apparatus for the continuous production of foam plastic blocks or sheets
JP3579835B2 (en) * 2001-07-03 2004-10-20 西川ゴム工業株式会社 Automotive weather strip and continuous extrusion equipment

Also Published As

Publication number Publication date
JPS5045866A (en) 1975-04-24
GB1476177A (en) 1977-06-10
BR7406913D0 (en) 1975-09-09

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