CH511696A - Vorrichtung zum Flachlegen von aufgeblasenen Schlauchfolien im Anschluss an ihre Extrusion - Google Patents

Vorrichtung zum Flachlegen von aufgeblasenen Schlauchfolien im Anschluss an ihre Extrusion

Info

Publication number
CH511696A
CH511696A CH1375870A CH1375870A CH511696A CH 511696 A CH511696 A CH 511696A CH 1375870 A CH1375870 A CH 1375870A CH 1375870 A CH1375870 A CH 1375870A CH 511696 A CH511696 A CH 511696A
Authority
CH
Switzerland
Prior art keywords
flattening
extrusion
tubular films
inflated tubular
films following
Prior art date
Application number
CH1375870A
Other languages
English (en)
Inventor
Michael Dietrich
Hort Manfred
Schulte Helmut
Original Assignee
Bayer 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 Bayer Ag filed Critical Bayer Ag
Publication of CH511696A publication Critical patent/CH511696A/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
    • B29C48/03—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
    • B29C48/001—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
    • 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)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
CH1375870A 1969-10-21 1970-09-16 Vorrichtung zum Flachlegen von aufgeblasenen Schlauchfolien im Anschluss an ihre Extrusion CH511696A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19691952904 DE1952904A1 (de) 1969-10-21 1969-10-21 Vorrichtung zum Flachlegen einer aufgeblasenen Schlauchfolie im Anschluss an ihre Extrusion

Publications (1)

Publication Number Publication Date
CH511696A true CH511696A (de) 1971-08-31

Family

ID=5748738

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1375870A CH511696A (de) 1969-10-21 1970-09-16 Vorrichtung zum Flachlegen von aufgeblasenen Schlauchfolien im Anschluss an ihre Extrusion

Country Status (6)

Country Link
BE (1) BE757825A (de)
CH (1) CH511696A (de)
DE (1) DE1952904A1 (de)
FR (1) FR2066327A5 (de)
GB (1) GB1285118A (de)
NL (1) NL7014383A (de)

Also Published As

Publication number Publication date
FR2066327A5 (de) 1971-08-06
NL7014383A (de) 1971-04-23
GB1285118A (en) 1972-08-09
BE757825A (fr) 1971-04-01
DE1952904A1 (de) 1971-05-13

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Legal Events

Date Code Title Description
PL Patent ceased