FR1349700A - Procédé et appareil pour produire des matières à mémoire plastique - Google Patents

Procédé et appareil pour produire des matières à mémoire plastique

Info

Publication number
FR1349700A
FR1349700A FR926482A FR926482A FR1349700A FR 1349700 A FR1349700 A FR 1349700A FR 926482 A FR926482 A FR 926482A FR 926482 A FR926482 A FR 926482A FR 1349700 A FR1349700 A FR 1349700A
Authority
FR
France
Prior art keywords
memory materials
producing plastic
plastic memory
producing
materials
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
FR926482A
Other languages
English (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.)
Raychem Corp
Original Assignee
Raychem Corp
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 US43230A external-priority patent/US3086242A/en
Application filed by Raychem Corp filed Critical Raychem Corp
Priority to FR926482A priority Critical patent/FR1349700A/fr
Application granted granted Critical
Publication of FR1349700A publication Critical patent/FR1349700A/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
    • B29C61/06—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
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/28—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of blown tubular films, e.g. by inflation
    • 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
    • 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
    • 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
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
FR926482A 1960-07-15 1963-03-01 Procédé et appareil pour produire des matières à mémoire plastique Expired FR1349700A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR926482A FR1349700A (fr) 1960-07-15 1963-03-01 Procédé et appareil pour produire des matières à mémoire plastique

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US43230A US3086242A (en) 1960-07-15 1960-07-15 Process and apparatus for producing materials having plastic memory
FR926482A FR1349700A (fr) 1960-07-15 1963-03-01 Procédé et appareil pour produire des matières à mémoire plastique

Publications (1)

Publication Number Publication Date
FR1349700A true FR1349700A (fr) 1964-01-17

Family

ID=26200034

Family Applications (1)

Application Number Title Priority Date Filing Date
FR926482A Expired FR1349700A (fr) 1960-07-15 1963-03-01 Procédé et appareil pour produire des matières à mémoire plastique

Country Status (1)

Country Link
FR (1) FR1349700A (fr)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985003251A1 (fr) * 1984-01-27 1985-08-01 Wirsbo Bruks Aktiebolag Procede de fabrication d'un tube en plastique
FR2565563A1 (fr) * 1984-06-07 1985-12-13 Mitsubishi Plastics Ind Tube thermoretrecissable en poly(chlorure de vinyle) pour proteger des tiges de fleurs coupees

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1985003251A1 (fr) * 1984-01-27 1985-08-01 Wirsbo Bruks Aktiebolag Procede de fabrication d'un tube en plastique
FR2565563A1 (fr) * 1984-06-07 1985-12-13 Mitsubishi Plastics Ind Tube thermoretrecissable en poly(chlorure de vinyle) pour proteger des tiges de fleurs coupees

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