AU4224972A - Elastic memory tubing - Google Patents

Elastic memory tubing

Info

Publication number
AU4224972A
AU4224972A AU42249/72A AU4224972A AU4224972A AU 4224972 A AU4224972 A AU 4224972A AU 42249/72 A AU42249/72 A AU 42249/72A AU 4224972 A AU4224972 A AU 4224972A AU 4224972 A AU4224972 A AU 4224972A
Authority
AU
Australia
Prior art keywords
elastic memory
memory tubing
tubing
elastic
memory
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.)
Expired
Application number
AU42249/72A
Other languages
English (en)
Inventor
Albert Kenneth Elleray
Robert John Jones
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 AU4224972A publication Critical patent/AU4224972A/en
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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
AU42249/72A 1971-05-12 1972-05-12 Elastic memory tubing Expired AU4224972A (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 (1)

Publication Number Publication Date
AU4224972A true AU4224972A (en) 1973-11-15

Family

ID=10041960

Family Applications (1)

Application Number Title Priority Date Filing Date
AU42249/72A Expired AU4224972A (en) 1971-05-12 1972-05-12 Elastic memory tubing

Country Status (6)

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

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 (de) 1998-09-22 2001-11-22 Strumann Werner Egeplast Vorrichtung zur Herstellung von Kunststoffrohren
DE19843339B4 (de) * 1998-09-22 2007-08-02 Egeplast Werner Strumann Gmbh & Co.Kg Verfahren und Vorrichtung zur Herstellung von Kunststoffrohren
FR2862015B1 (fr) * 2003-11-10 2007-08-17 Pechiney Capsules Procede de fabrication de capsules a jupe thermoretractable et capsules obtenues par le procede
CN109878065B (zh) * 2019-04-02 2024-02-13 青岛维思顿智能新材料有限公司 形状记忆性柱状胶筒的变形装置

Also Published As

Publication number Publication date
FR2137767B1 (https=) 1975-08-01
GB1380397A (en) 1975-01-15
DE2222856A1 (de) 1972-12-07
FR2137767A1 (https=) 1972-12-29
IT957855B (it) 1973-10-20
NL7206332A (https=) 1972-11-14

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