GB1074395A - Improvements in or relating to the strengthening of thermoplastic sythetic polymeric materials - Google Patents

Improvements in or relating to the strengthening of thermoplastic sythetic polymeric materials

Info

Publication number
GB1074395A
GB1074395A GB10712/65A GB1071265A GB1074395A GB 1074395 A GB1074395 A GB 1074395A GB 10712/65 A GB10712/65 A GB 10712/65A GB 1071265 A GB1071265 A GB 1071265A GB 1074395 A GB1074395 A GB 1074395A
Authority
GB
United Kingdom
Prior art keywords
forces
shearing
thermoplastic
sythetic
strengthening
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
GB10712/65A
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.)
Dynamit Nobel AG
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 GB1074395A publication Critical patent/GB1074395A/en
Expired legal-status Critical Current

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

Abstract

Thermoplastic synthetic polymeric material which is essentially crystalline and capable of being strengthened by shearing, is strengthened by subjecting it to a plurality of shearing forces which are parallel to each other at any point in the material, at a temperature below the crystalline melting point of the material, so that in the material perpendicular to the direction of the forces, adjacent macromolecules are displaced relative to each other in paths parallel to the forces, and so that the thickness of the material perpendicular to the forces is not substantially reduced. Specified polymers are polyethylene, polypropylene, polybutylene, poly - 4 - methylpentene - 1, poly - 3 - methylbutene - 1 and ethylene/propylene copolymers. Other shearing forces in different directions may be applied simultaneously or subsequently. Examples describe the application of shearing forces to plates, tubes and moulded articles such as shotgun cartridges.
GB10712/65A 1964-03-12 1965-03-12 Improvements in or relating to the strengthening of thermoplastic sythetic polymeric materials Expired GB1074395A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
GB1074395A true GB1074395A (en) 1967-07-05

Family

ID=7047902

Family Applications (1)

Application Number Title Priority Date Filing Date
GB10712/65A Expired GB1074395A (en) 1964-03-12 1965-03-12 Improvements in or relating to the strengthening of thermoplastic sythetic polymeric materials

Country Status (8)

Country Link
BE (1) BE660892A (en)
CH (1) CH443650A (en)
DK (1) DK115055B (en)
FI (1) FI44165C (en)
FR (1) FR1431984A (en)
GB (1) GB1074395A (en)
NL (1) NL6502371A (en)
SE (1) SE315389B (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0016817A1 (en) * 1978-09-08 1980-10-15 Bethlehem Steel Corp An oriented, semi-crystalline polymer product and method and apparatus for producing such product.
EP0090077A2 (en) * 1982-03-29 1983-10-05 International Business Machines Corporation A process for forming a polymer of high mechanical properties
WO1996005047A1 (en) * 1994-08-16 1996-02-22 Allergan Intraocular lenses and methods for making same

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0016817A1 (en) * 1978-09-08 1980-10-15 Bethlehem Steel Corp An oriented, semi-crystalline polymer product and method and apparatus for producing such product.
EP0016817A4 (en) * 1978-09-08 1983-02-09 Bethlehem Steel Corp An oriented, semi-crystalline polymer product and method and apparatus for producing such product.
EP0090077A2 (en) * 1982-03-29 1983-10-05 International Business Machines Corporation A process for forming a polymer of high mechanical properties
EP0090077A3 (en) * 1982-03-29 1985-12-04 International Business Machines Corporation A process for forming a polymer of high mechanical properties
WO1996005047A1 (en) * 1994-08-16 1996-02-22 Allergan Intraocular lenses and methods for making same
US5611968A (en) * 1994-08-16 1997-03-18 Allergan Method of making intraocular lenses
US5762837A (en) * 1994-08-16 1998-06-09 Grisoni; Bernard F. Intraocular lenses and methods for making same

Also Published As

Publication number Publication date
BE660892A (en) 1965-07-01
DE1479084A1 (en) 1969-03-27
SE315389B (en) 1969-09-29
NL6502371A (en) 1965-09-13
FR1431984A (en) 1966-03-18
FI44165C (en) 1971-09-10
CH443650A (en) 1967-09-15
FI44165B (en) 1971-06-01
DE1479084B2 (en) 1972-06-08
DK115055B (en) 1969-09-01

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