FR2137767A1 - - Google Patents

Info

Publication number
FR2137767A1
FR2137767A1 FR7216805A FR7216805A FR2137767A1 FR 2137767 A1 FR2137767 A1 FR 2137767A1 FR 7216805 A FR7216805 A FR 7216805A FR 7216805 A FR7216805 A FR 7216805A FR 2137767 A1 FR2137767 A1 FR 2137767A1
Authority
FR
France
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
FR7216805A
Other languages
French (fr)
Other versions
FR2137767B1 (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.)
Balfour Beatty PLC
Original Assignee
BICC PLC
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 BICC PLC filed Critical BICC PLC
Publication of FR2137767A1 publication Critical patent/FR2137767A1/fr
Application granted granted Critical
Publication of FR2137767B1 publication Critical patent/FR2137767B1/fr
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
    • B29C61/00—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
    • B29C61/003—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor characterised by the choice of material
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • 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
    • B29C61/00—Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
    • B29C61/06—Making preforms having internal stresses, e.g. plastic memory
    • B29C61/08—Making preforms having internal stresses, e.g. plastic memory by stretching tubes
    • 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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0018—Combinations of extrusion moulding with other shaping operations combined with shaping by orienting, stretching or shrinking, e.g. film blowing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2027/00—Use of polyvinylhalogenides or derivatives thereof as moulding material
    • B29K2027/06—PVC, i.e. polyvinylchloride
FR7216805A 1971-05-12 1972-05-10 Expired FR2137767B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1448071A GB1380397A (en) 1971-05-12 1971-05-12 Elastic memory tubing

Publications (2)

Publication Number Publication Date
FR2137767A1 true FR2137767A1 (en) 1972-12-29
FR2137767B1 FR2137767B1 (en) 1975-08-01

Family

ID=10041960

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7216805A Expired FR2137767B1 (en) 1971-05-12 1972-05-10

Country Status (6)

Country Link
AU (1) AU4224972A (en)
DE (1) DE2222856A1 (en)
FR (1) FR2137767B1 (en)
GB (1) GB1380397A (en)
IT (1) IT957855B (en)
NL (1) NL7206332A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8527300D0 (en) * 1985-11-06 1985-12-11 Victaulic Plc Extrusion of products
DE19843340C2 (en) 1998-09-22 2001-11-22 Strumann Werner Egeplast Device for the production of plastic pipes
DE19843339B4 (en) * 1998-09-22 2007-08-02 Egeplast Werner Strumann Gmbh & Co.Kg Method and device for producing plastic pipes
FR2862015B1 (en) * 2003-11-10 2007-08-17 Pechiney Capsules PROCESS FOR PRODUCING THERMORETRACTABLE SKIRT CAPSULES AND CAPSULES OBTAINED BY THE PROCESS
CN109878065B (en) * 2019-04-02 2024-02-13 青岛维思顿智能新材料有限公司 Shape memory columnar rubber cylinder deforming device

Also Published As

Publication number Publication date
IT957855B (en) 1973-10-20
NL7206332A (en) 1972-11-14
DE2222856A1 (en) 1972-12-07
GB1380397A (en) 1975-01-15
AU4224972A (en) 1973-11-15
FR2137767B1 (en) 1975-08-01

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Legal Events

Date Code Title Description
ST Notification of lapse