CH379756A - Process for the production of pipes from synthetic resin foam - Google Patents

Process for the production of pipes from synthetic resin foam

Info

Publication number
CH379756A
CH379756A CH477960A CH477960A CH379756A CH 379756 A CH379756 A CH 379756A CH 477960 A CH477960 A CH 477960A CH 477960 A CH477960 A CH 477960A CH 379756 A CH379756 A CH 379756A
Authority
CH
Switzerland
Prior art keywords
pipes
production
synthetic resin
resin foam
foam
Prior art date
Application number
CH477960A
Other languages
German (de)
Inventor
A Sunde Lauritz
Original Assignee
A Sunde Lauritz
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 A Sunde Lauritz filed Critical A Sunde Lauritz
Publication of CH379756A publication Critical patent/CH379756A/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
    • B29C44/20—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles for articles of indefinite length
    • B29C44/32—Incorporating or moulding on preformed parts, e.g. linings, inserts or reinforcements
    • B29C44/322—Incorporating or moulding on preformed parts, e.g. linings, inserts or reinforcements the preformed parts being elongated inserts, e.g. cables
    • B29C44/324—Incorporating or moulding on preformed parts, e.g. linings, inserts or reinforcements the preformed parts being elongated inserts, e.g. cables the preformed parts being tubular or folded to a tubular shape
    • 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
    • B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/56—Winding and joining, e.g. winding spirally
    • B29C53/58—Winding and joining, e.g. winding spirally helically
    • B29C53/60—Winding and joining, e.g. winding spirally helically using internal forming surfaces, e.g. mandrels
    • B29C53/62—Winding and joining, e.g. winding spirally helically using internal forming surfaces, e.g. mandrels rotatable about the winding axis
CH477960A 1960-09-09 1960-04-26 Process for the production of pipes from synthetic resin foam CH379756A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
LU39157 1960-09-09

Publications (1)

Publication Number Publication Date
CH379756A true CH379756A (en) 1964-07-15

Family

ID=19722407

Family Applications (1)

Application Number Title Priority Date Filing Date
CH477960A CH379756A (en) 1960-09-09 1960-04-26 Process for the production of pipes from synthetic resin foam

Country Status (7)

Country Link
BE (1) BE590304A (en)
CH (1) CH379756A (en)
DE (1) DE1202476B (en)
FR (1) FR1258508A (en)
GB (1) GB913685A (en)
LU (1) LU39157A1 (en)
NL (1) NL251036A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2657208A1 (en) * 1976-12-17 1978-06-22 Werner Dold Feinbau Small gear drive plate assembly - has rivets pressed into plastic pillar ends to secure to metal plate

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3279503A (en) * 1963-08-19 1966-10-18 Dow Chemical Co Snap-on foamed resin insulation
US3354244A (en) * 1964-08-13 1967-11-21 Hudson Engineering Corp Method and apparatus for the manufacture of foamed plastic tubing
DE1265517C2 (en) * 1965-09-20 1973-04-05 Eternit Ag Process for the production of a composite jacket pipe with thermal insulation
DE1266485C2 (en) * 1966-11-21 1975-08-14 Elastomer Ag, Chur (Schweiz) DEVICE FOR THE CONTINUOUS PRODUCTION OF A FOAM INSULATION PIPE
DE3726906A1 (en) * 1986-08-16 1988-02-18 Friedrich Priehs Filler element, in particular as a packaging filler
DE4217183A1 (en) * 1992-05-23 1993-11-25 Rolf Pflieger Fa Seal of any required cross=section for use in building work - made of material contg. bentonite so as to swell in water, and is produced inside polymer extrusion which is soluble in alkali
GB2280391A (en) * 1993-07-31 1995-02-01 Valpar Ind Ltd Coating pipes, cables or hoses
GB2283188B (en) * 1993-10-26 1997-01-15 Balmoral Group Coated pipes and methods of making them
WO1995011761A1 (en) * 1993-10-26 1995-05-04 Balmoral Group Limited Coated pipes and methods of making them
US7824595B2 (en) 2004-08-13 2010-11-02 Perma-Pipe, Inc. Method and system for cast molding a fluid conduit

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE875267C (en) * 1939-10-01 1953-04-30 Jakob Dichter Process for the manufacture of hollow bodies from plastics by pouring the liquid mass onto a rotating core
DE831314C (en) * 1948-10-02 1952-02-11 Peter Hoppe Dipl Ing Process for the production of profiled bodies
BE516512A (en) * 1951-12-24
US2766481A (en) * 1952-08-28 1956-10-16 Western Electric Co Methods of and apparatus for extruding cellular plastics
DE1754659U (en) * 1953-10-22 1957-10-24 Continental Gummi Werke Ag EQUIPMENT FOR THE PRODUCTION OF TRACKS, PANELS OR. DGL. FLAT STRUCTURES MADE FROM FOAM PLASTICS, IN PARTICULAR ON A POLYESTER BASIS.

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2657208A1 (en) * 1976-12-17 1978-06-22 Werner Dold Feinbau Small gear drive plate assembly - has rivets pressed into plastic pillar ends to secure to metal plate

Also Published As

Publication number Publication date
DE1202476B (en) 1965-10-07
BE590304A (en)
NL251036A (en)
GB913685A (en)
FR1258508A (en) 1961-04-14
LU39157A1 (en) 1960-11-09

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