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CH496533A - Process for the manufacture of a thermoplastic cylindrical sheath and apparatus for its implementation - Google Patents

Process for the manufacture of a thermoplastic cylindrical sheath and apparatus for its implementation

Info

Publication number
CH496533A
CH496533A CH1471069A CH1471069A CH496533A CH 496533 A CH496533 A CH 496533A CH 1471069 A CH1471069 A CH 1471069A CH 1471069 A CH1471069 A CH 1471069A CH 496533 A CH496533 A CH 496533A
Authority
CH
Switzerland
Prior art keywords
implementation
manufacture
cylindrical sheath
thermoplastic cylindrical
thermoplastic
Prior art date
Application number
CH1471069A
Other languages
French (fr)
Inventor
Mazuyer Jean-Ennemond
Original Assignee
Prosyn Sa
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 Prosyn Sa filed Critical Prosyn Sa
Publication of CH496533A publication Critical patent/CH496533A/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
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/90—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article
    • B29C48/901—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies
    • B29C48/902—Thermal treatment of the stream of extruded material, e.g. cooling with calibration or sizing, i.e. combined with fixing or setting of the final dimensions of the extruded article of hollow bodies internally
    • 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
    • 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
    • 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
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0019—Combinations of extrusion moulding with other shaping operations combined with shaping by flattening, folding or bending

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
CH1471069A 1968-10-22 1969-09-29 Process for the manufacture of a thermoplastic cylindrical sheath and apparatus for its implementation CH496533A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR69050519 1968-10-22

Publications (1)

Publication Number Publication Date
CH496533A true CH496533A (en) 1970-09-30

Family

ID=9695680

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1471069A CH496533A (en) 1968-10-22 1969-09-29 Process for the manufacture of a thermoplastic cylindrical sheath and apparatus for its implementation

Country Status (7)

Country Link
BE (1) BE739641A (en)
CH (1) CH496533A (en)
DE (1) DE1951645A1 (en)
FR (1) FR1592180A (en)
GB (1) GB1253393A (en)
LU (1) LU59547A1 (en)
NL (1) NL6915930A (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR70398E (en) * 1974-03-22 1959-04-06 Electronique & Physique Improvements in television and cinematography cameras
DE2721609C2 (en) * 1977-05-13 1986-07-10 Reifenhäuser KG, 5210 Troisdorf Control device for a plant for the production of blown plastic films
DE2831212A1 (en) * 1978-07-15 1980-01-24 Dow Chemical Co Blown film prodn. control - e.g. in revolving tube process, controls air ring supply responsive to pyrometer signal below frost line
DE4401933C1 (en) * 1994-01-24 1995-04-20 Windmoeller & Hoelscher Apparatus for calibrating and supporting an extruded tube, inflated to form a film bubble
CN109291390B (en) * 2018-11-02 2023-11-03 江苏康宏医疗科技有限公司 Preparation of spring hose inner tube and take-up device of hemostatic forceps, biopsy forceps and foreign body forceps

Also Published As

Publication number Publication date
NL6915930A (en) 1970-04-24
GB1253393A (en) 1971-11-10
LU59547A1 (en) 1970-01-09
DE1951645A1 (en) 1970-06-04
BE739641A (en) 1970-03-02
FR1592180A (en) 1970-05-11

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Legal Events

Date Code Title Description
PL Patent ceased