CA922471A - Process for the production of deep drawable tubular films - Google Patents

Process for the production of deep drawable tubular films

Info

Publication number
CA922471A
CA922471A CA070700A CA70700A CA922471A CA 922471 A CA922471 A CA 922471A CA 070700 A CA070700 A CA 070700A CA 70700 A CA70700 A CA 70700A CA 922471 A CA922471 A CA 922471A
Authority
CA
Canada
Prior art keywords
production
tubular films
deep drawable
drawable
deep
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
CA070700A
Other languages
English (en)
Inventor
Rosenthal Heinrich
Reissmann Heinz
Tank Uwe
Schlempp Gustav
Eickhoff Gunter
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.)
Dow Produktions und Vertriebs GmbH and Co OHG
Original Assignee
Wolff Walsrode 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 Wolff Walsrode AG filed Critical Wolff Walsrode AG
Application granted granted Critical
Publication of CA922471A publication Critical patent/CA922471A/en
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
    • 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)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
CA070700A 1968-12-23 1969-12-23 Process for the production of deep drawable tubular films Expired CA922471A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19681816509 DE1816509A1 (de) 1968-12-23 1968-12-23 Verfahren zur Herstellung von tiefziehbaren Polyamid-Schlauchfolien

Publications (1)

Publication Number Publication Date
CA922471A true CA922471A (en) 1973-03-13

Family

ID=5717165

Family Applications (1)

Application Number Title Priority Date Filing Date
CA070700A Expired CA922471A (en) 1968-12-23 1969-12-23 Process for the production of deep drawable tubular films

Country Status (7)

Country Link
BE (1) BE743612A (enExample)
CA (1) CA922471A (enExample)
DE (1) DE1816509A1 (enExample)
FR (1) FR2026971A1 (enExample)
GB (1) GB1295878A (enExample)
NL (1) NL6919109A (enExample)
SE (1) SE355523B (enExample)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4415711A (en) * 1982-07-02 1983-11-15 Union Carbide Corporation Process for forming film from low strain hardening polymers

Also Published As

Publication number Publication date
NL6919109A (enExample) 1970-06-25
FR2026971A1 (enExample) 1970-09-25
BE743612A (enExample) 1970-05-28
DE1816509A1 (de) 1970-06-25
GB1295878A (enExample) 1972-11-08
SE355523B (enExample) 1973-04-30

Similar Documents

Publication Publication Date Title
CA953720A (en) PROCESS FOR THE PRODUCTION OF 2-BROMO-.alpha.-ERGOCRYPTINE
CA931690A (en) Process for the production of trans-polypentenamers
CA923030A (en) Production of tubular articles
CA931341A (en) Process for the production of sections
CA945311A (en) Process for the production of amylose films
CA925469A (en) Process for producing polyaminesulfones
CA955346A (en) Process for the production of moulded articles
CA922471A (en) Process for the production of deep drawable tubular films
CA920758A (en) Process for the production of moulds
CA947298A (en) Process for the production of (-)-norscopolamine
CA787931A (en) Process for the production of o-hydroxyphenyl-s-triazines
CA791699A (en) Process for the manufacture of chlorates
CA797249A (en) Process for the production of 2-sulfonamid opyrimidin derivatives
CA800605A (en) Process for the production of 2-aza-adamantane-1-amine
CA787932A (en) Process for the production of o-hydroxyphenyl-s-triazines
CA787929A (en) Process for the production of o-hydroxyphenyl-s-triazines
CA787930A (en) Process for the production of o-hydroxyphenyl-s-triazines
CA793203A (en) Process for the production of hollow articles
CA800022A (en) Process for the production of dimethyl chloroacetal
CA790078A (en) Process for the production of 7-amino-3-phenyl-coumarine compounds
CA780490A (en) Process for the production of nitrohydroxyaryl compounds
CA919845A (en) Process for the production of polymers
CA802882A (en) Process for the production of methyl chloroform
CA787426A (en) Process for the production of azodicarbonamide
CA795357A (en) Method for the production of 10-chlorophenoxarsine