IT1000300B - Metodo ed apparecchiatura per ottenere un nastro di plastica senza contrazione in larghezza - Google Patents

Metodo ed apparecchiatura per ottenere un nastro di plastica senza contrazione in larghezza

Info

Publication number
IT1000300B
IT1000300B IT54260/73A IT5426073A IT1000300B IT 1000300 B IT1000300 B IT 1000300B IT 54260/73 A IT54260/73 A IT 54260/73A IT 5426073 A IT5426073 A IT 5426073A IT 1000300 B IT1000300 B IT 1000300B
Authority
IT
Italy
Prior art keywords
contraction
width
equipment
plastic tape
tape
Prior art date
Application number
IT54260/73A
Other languages
English (en)
Inventor
W Pawelczyk
Original Assignee
Berstorff H
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 Berstorff H filed Critical Berstorff H
Application granted granted Critical
Publication of IT1000300B publication Critical patent/IT1000300B/it

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D7/00—Producing flat articles, e.g. films or sheets
    • 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
    • B29C48/07—Flat, e.g. panels
    • B29C48/08—Flat, e.g. panels flexible, e.g. films
    • 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)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Casting Or Compression Moulding Of Plastics Or The Like (AREA)
IT54260/73A 1972-12-14 1973-12-12 Metodo ed apparecchiatura per ottenere un nastro di plastica senza contrazione in larghezza IT1000300B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2261117 1972-12-14

Publications (1)

Publication Number Publication Date
IT1000300B true IT1000300B (it) 1976-03-30

Family

ID=5864367

Family Applications (1)

Application Number Title Priority Date Filing Date
IT54260/73A IT1000300B (it) 1972-12-14 1973-12-12 Metodo ed apparecchiatura per ottenere un nastro di plastica senza contrazione in larghezza

Country Status (4)

Country Link
BE (1) BE806210A (it)
FR (1) FR2327059A1 (it)
GB (1) GB1394805A (it)
IT (1) IT1000300B (it)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3414676C2 (de) * 1984-04-18 1986-08-21 Hermann Berstorff Maschinenbau Gmbh, 3000 Hannover Verwendung einer Einrichtung zum Anblasen von Druckluft an eine thermoplastische Kunststoffolie
DE4304374C1 (de) * 1993-02-13 1994-01-27 Kleinewefers Gmbh Kalander für Materialbahnen aus Papier o. dgl.

Also Published As

Publication number Publication date
FR2327059A1 (fr) 1977-05-06
FR2327059B1 (it) 1978-03-24
GB1394805A (en) 1975-05-21
BE806210A (fr) 1974-02-15

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