IT976484B - Procedimento per la produzione dentro forme di elementi costrut tivi in schiuma di resina sinte tica - Google Patents

Procedimento per la produzione dentro forme di elementi costrut tivi in schiuma di resina sinte tica

Info

Publication number
IT976484B
IT976484B IT480273A IT480273A IT976484B IT 976484 B IT976484 B IT 976484B IT 480273 A IT480273 A IT 480273A IT 480273 A IT480273 A IT 480273A IT 976484 B IT976484 B IT 976484B
Authority
IT
Italy
Prior art keywords
procedure
synthetic resin
resin foam
construction elements
inside forms
Prior art date
Application number
IT480273A
Other languages
English (en)
Original Assignee
Ver Zur Forderung Des Inst Fur
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 DE19722202133 external-priority patent/DE2202133C3/de
Application filed by Ver Zur Forderung Des Inst Fur filed Critical Ver Zur Forderung Des Inst Fur
Application granted granted Critical
Publication of IT976484B publication Critical patent/IT976484B/it

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
    • B29C44/36—Feeding the material to be shaped
    • B29C44/38—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length
    • B29C44/385—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length using manifolds or channels directing the flow in the mould
    • B29C44/386—Feeding the material to be shaped into a closed space, i.e. to make articles of definite length using manifolds or channels directing the flow in the mould using a movable, elongate nozzle, e.g. to reach deep into 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
    • B29C44/02—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
    • B29C44/04—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 consisting of at least two parts of chemically or physically different materials, e.g. having different densities
IT480273A 1972-01-18 1973-01-17 Procedimento per la produzione dentro forme di elementi costrut tivi in schiuma di resina sinte tica IT976484B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19722202133 DE2202133C3 (de) 1972-01-18 Verfahren zum Herstellen von Kunststoff-Formteilen mit dichter Außenhaut und geschäumtem Kern aus Polyurethan

Publications (1)

Publication Number Publication Date
IT976484B true IT976484B (it) 1974-08-20

Family

ID=5833256

Family Applications (1)

Application Number Title Priority Date Filing Date
IT480273A IT976484B (it) 1972-01-18 1973-01-17 Procedimento per la produzione dentro forme di elementi costrut tivi in schiuma di resina sinte tica

Country Status (6)

Country Link
BE (1) BE794126A (it)
CH (1) CH545685A (it)
FR (1) FR2168589B1 (it)
GB (1) GB1398464A (it)
IT (1) IT976484B (it)
NL (1) NL7300557A (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0014518A1 (en) * 1979-02-05 1980-08-20 Imperial Chemical Industries Plc Process and apparatus for moulding foamed articles and the articles so moulded
GB2176439B (en) * 1986-05-22 1990-01-31 Hunter Douglas Ind Bv Method of manufacturing a sandwich panel

Also Published As

Publication number Publication date
NL7300557A (it) 1973-07-20
FR2168589A1 (it) 1973-08-31
FR2168589B1 (it) 1977-02-04
DE2202133B2 (de) 1976-11-25
GB1398464A (en) 1975-06-25
CH545685A (it) 1974-02-15
DE2202133A1 (de) 1973-08-09
BE794126A (fr) 1973-05-16

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