CH443650A - Verfahren zum Verfestigen thermoplastischer Kunststoffe - Google Patents

Verfahren zum Verfestigen thermoplastischer Kunststoffe

Info

Publication number
CH443650A
CH443650A CH331665A CH331665A CH443650A CH 443650 A CH443650 A CH 443650A CH 331665 A CH331665 A CH 331665A CH 331665 A CH331665 A CH 331665A CH 443650 A CH443650 A CH 443650A
Authority
CH
Switzerland
Prior art keywords
plastic
layers
mandrel
shifted
stretching
Prior art date
Application number
CH331665A
Other languages
German (de)
English (en)
Inventor
Michael Dipl Ing Wienand
Steuber Lothar
Original Assignee
Dynamit Nobel 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 Dynamit Nobel Ag filed Critical Dynamit Nobel Ag
Publication of CH443650A publication Critical patent/CH443650A/de

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • 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
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/0003—Moulding articles between moving mould surfaces, e.g. turning surfaces
    • 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
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • 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
    • B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
CH331665A 1964-03-12 1965-03-10 Verfahren zum Verfestigen thermoplastischer Kunststoffe CH443650A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DED0043856 1964-03-12

Publications (1)

Publication Number Publication Date
CH443650A true CH443650A (de) 1967-09-15

Family

ID=7047902

Family Applications (1)

Application Number Title Priority Date Filing Date
CH331665A CH443650A (de) 1964-03-12 1965-03-10 Verfahren zum Verfestigen thermoplastischer Kunststoffe

Country Status (8)

Country Link
BE (1) BE660892A (US06521211-20030218-C00004.png)
CH (1) CH443650A (US06521211-20030218-C00004.png)
DK (1) DK115055B (US06521211-20030218-C00004.png)
FI (1) FI44165C (US06521211-20030218-C00004.png)
FR (1) FR1431984A (US06521211-20030218-C00004.png)
GB (1) GB1074395A (US06521211-20030218-C00004.png)
NL (1) NL6502371A (US06521211-20030218-C00004.png)
SE (1) SE315389B (US06521211-20030218-C00004.png)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2967475D1 (en) * 1978-09-08 1985-08-01 Bethlehem Steel Corp An oriented, semi-crystalline polymer product and method and apparatus for producing such product
EP0090077B1 (en) * 1982-03-29 1988-10-12 International Business Machines Corporation A process for forming a polymer of high mechanical properties
US5611968A (en) * 1994-08-16 1997-03-18 Allergan Method of making intraocular lenses

Also Published As

Publication number Publication date
BE660892A (US06521211-20030218-C00004.png) 1965-07-01
DK115055B (da) 1969-09-01
DE1479084B2 (de) 1972-06-08
DE1479084A1 (de) 1969-03-27
NL6502371A (US06521211-20030218-C00004.png) 1965-09-13
GB1074395A (en) 1967-07-05
FI44165B (US06521211-20030218-C00004.png) 1971-06-01
FI44165C (fi) 1971-09-10
SE315389B (US06521211-20030218-C00004.png) 1969-09-29
FR1431984A (fr) 1966-03-18

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