CH490957A - Vorrichtung zum Blasen von Schläuchen aus thermoplastischen Kunststoffen - Google Patents

Vorrichtung zum Blasen von Schläuchen aus thermoplastischen Kunststoffen

Info

Publication number
CH490957A
CH490957A CH784968A CH784968A CH490957A CH 490957 A CH490957 A CH 490957A CH 784968 A CH784968 A CH 784968A CH 784968 A CH784968 A CH 784968A CH 490957 A CH490957 A CH 490957A
Authority
CH
Switzerland
Prior art keywords
thermoplastics
hoses made
blowing hoses
blowing
hoses
Prior art date
Application number
CH784968A
Other languages
English (en)
Inventor
Hasler Peter
Original Assignee
Stanniolfabrik Burgdorf Ag
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 Stanniolfabrik Burgdorf Ag filed Critical Stanniolfabrik Burgdorf Ag
Priority to CH784968A priority Critical patent/CH490957A/de
Priority to DE19681778915 priority patent/DE1778915A1/de
Publication of CH490957A publication Critical patent/CH490957A/de

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
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles
    • B29C48/33—Extrusion nozzles or dies with annular openings, e.g. for forming tubular articles with parts rotatable relative to each other
    • 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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/254—Sealing means
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
CH784968A 1968-05-28 1968-05-28 Vorrichtung zum Blasen von Schläuchen aus thermoplastischen Kunststoffen CH490957A (de)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CH784968A CH490957A (de) 1968-05-28 1968-05-28 Vorrichtung zum Blasen von Schläuchen aus thermoplastischen Kunststoffen
DE19681778915 DE1778915A1 (de) 1968-05-28 1968-06-20 Vorrichtung zum Blasen von Schlaeuchen aus thermoplastischen Kunststoffen

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH784968A CH490957A (de) 1968-05-28 1968-05-28 Vorrichtung zum Blasen von Schläuchen aus thermoplastischen Kunststoffen

Publications (1)

Publication Number Publication Date
CH490957A true CH490957A (de) 1970-05-31

Family

ID=4331338

Family Applications (1)

Application Number Title Priority Date Filing Date
CH784968A CH490957A (de) 1968-05-28 1968-05-28 Vorrichtung zum Blasen von Schläuchen aus thermoplastischen Kunststoffen

Country Status (2)

Country Link
CH (1) CH490957A (de)
DE (1) DE1778915A1 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0771640A1 (de) * 1995-11-01 1997-05-07 Mitsui Petrochemical Industries, Ltd. Verfahren und Vorrichtung zur Herstellung von Blasfolien und daraus hergestellte Formkörpern

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE461139B (sv) * 1988-10-19 1990-01-15 Curt Andersson Saett att framstaella roer och anordning foer dess framstaellning

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0771640A1 (de) * 1995-11-01 1997-05-07 Mitsui Petrochemical Industries, Ltd. Verfahren und Vorrichtung zur Herstellung von Blasfolien und daraus hergestellte Formkörpern
US6007760A (en) * 1995-11-01 1999-12-28 Mitsui Chemicals, Inc. Method of producing inflation film, apparatus therefor and molded articles thereof
CN1092562C (zh) * 1995-11-01 2002-10-16 三井化学株式会社 生产吹胀薄膜的方法和用于生产它的设备

Also Published As

Publication number Publication date
DE1778915A1 (de) 1971-09-16

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Legal Events

Date Code Title Description
PL Patent ceased