DE1504299C3 - - Google Patents

Info

Publication number
DE1504299C3
DE1504299C3 DE1504299A DE1504299A DE1504299C3 DE 1504299 C3 DE1504299 C3 DE 1504299C3 DE 1504299 A DE1504299 A DE 1504299A DE 1504299 A DE1504299 A DE 1504299A DE 1504299 C3 DE1504299 C3 DE 1504299C3
Authority
DE
Germany
Prior art keywords
mandrel
hose
air
diameter
fluctuations
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
DE1504299A
Other languages
German (de)
English (en)
Other versions
DE1504299B2 (no
DE1504299A1 (de
Inventor
Bernard Keith Manchester Lancashire Bigland (Grossbritannien)
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.)
GENERAL ENGINEERING Co (RADCLIFFE) Ltd RADCLIFFE MANCHESTER LANCASHIRE (GROSSBRITANNIEN)
Original Assignee
GENERAL ENGINEERING Co (RADCLIFFE) Ltd RADCLIFFE MANCHESTER LANCASHIRE (GROSSBRITANNIEN)
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 GENERAL ENGINEERING Co (RADCLIFFE) Ltd RADCLIFFE MANCHESTER LANCASHIRE (GROSSBRITANNIEN) filed Critical GENERAL ENGINEERING Co (RADCLIFFE) Ltd RADCLIFFE MANCHESTER LANCASHIRE (GROSSBRITANNIEN)
Priority to DE19511504299 priority Critical patent/DE1504299A1/de
Publication of DE1504299A1 publication Critical patent/DE1504299A1/de
Publication of DE1504299B2 publication Critical patent/DE1504299B2/de
Application granted granted Critical
Publication of DE1504299C3 publication Critical patent/DE1504299C3/de
Granted 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
    • B29C48/25—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
    • 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
    • B29C48/88—Thermal treatment of the stream of extruded material, e.g. cooling
    • B29C48/911—Cooling
    • B29C48/9115—Cooling of hollow articles
    • B29C48/912—Cooling of hollow articles of tubular films
    • B29C48/9125—Cooling of hollow articles of tubular films 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
    • B29C48/001—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
DE19511504299 1951-01-28 1951-01-28 Verfahren zur Bildung eines Pressschlauches aus Kunststoff Granted DE1504299A1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE19511504299 DE1504299A1 (de) 1951-01-28 1951-01-28 Verfahren zur Bildung eines Pressschlauches aus Kunststoff

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19511504299 DE1504299A1 (de) 1951-01-28 1951-01-28 Verfahren zur Bildung eines Pressschlauches aus Kunststoff
DEG0039031 1963-10-25

Publications (3)

Publication Number Publication Date
DE1504299A1 DE1504299A1 (de) 1972-10-26
DE1504299B2 DE1504299B2 (no) 1973-09-20
DE1504299C3 true DE1504299C3 (no) 1974-04-18

Family

ID=25752468

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19511504299 Granted DE1504299A1 (de) 1951-01-28 1951-01-28 Verfahren zur Bildung eines Pressschlauches aus Kunststoff

Country Status (1)

Country Link
DE (1) DE1504299A1 (no)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1285114C (en) * 1985-12-24 1991-06-25 Ellis Fabian Extrusion system
DE102005006474A1 (de) * 2005-02-12 2006-08-17 Kiefel Extrusion Gmbh Verfahren und Vorrichtung zur Herstellung von Blasfolien

Also Published As

Publication number Publication date
DE1504299B2 (no) 1973-09-20
DE1504299A1 (de) 1972-10-26

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Legal Events

Date Code Title Description
C3 Grant after two publication steps (3rd publication)
E77 Valid patent as to the heymanns-index 1977
EHJ Ceased/non-payment of the annual fee