IT1158194B - IMPROVEMENT IN THE MOLDS FOR THE EXTRUSION OF POLYMERS - Google Patents

IMPROVEMENT IN THE MOLDS FOR THE EXTRUSION OF POLYMERS

Info

Publication number
IT1158194B
IT1158194B IT52491/78A IT5249178A IT1158194B IT 1158194 B IT1158194 B IT 1158194B IT 52491/78 A IT52491/78 A IT 52491/78A IT 5249178 A IT5249178 A IT 5249178A IT 1158194 B IT1158194 B IT 1158194B
Authority
IT
Italy
Prior art keywords
molds
extrusion
polymers
improvement
Prior art date
Application number
IT52491/78A
Other languages
Italian (it)
Other versions
IT7852491A0 (en
Inventor
Ian David Slack
Kenneth Pease
Original Assignee
Plasticisers Ltd
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 Plasticisers Ltd filed Critical Plasticisers Ltd
Publication of IT7852491A0 publication Critical patent/IT7852491A0/en
Application granted granted Critical
Publication of IT1158194B publication Critical patent/IT1158194B/en

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
    • B29C48/36—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die
    • B29C48/50—Details of extruders
    • B29C48/695—Flow dividers, e.g. breaker plates
    • 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
    • B29C48/05—Filamentary, e.g. strands
    • 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
    • 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
IT52491/78A 1978-01-04 1978-12-29 IMPROVEMENT IN THE MOLDS FOR THE EXTRUSION OF POLYMERS IT1158194B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB12778 1978-01-04

Publications (2)

Publication Number Publication Date
IT7852491A0 IT7852491A0 (en) 1978-12-29
IT1158194B true IT1158194B (en) 1987-02-18

Family

ID=9698892

Family Applications (1)

Application Number Title Priority Date Filing Date
IT52491/78A IT1158194B (en) 1978-01-04 1978-12-29 IMPROVEMENT IN THE MOLDS FOR THE EXTRUSION OF POLYMERS

Country Status (3)

Country Link
DE (1) DE2847627A1 (en)
FR (1) FR2413966A1 (en)
IT (1) IT1158194B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0091235A3 (en) * 1982-04-03 1984-10-17 Polyolefine Fibres & Engineering Company Limited Improvements in or relating to die heads for extruding plastics materials
US4990293A (en) * 1987-11-09 1991-02-05 Regents Of The University Of Minnesota Process of and apparatus for extruding a reactive polymer mixture
DE3816188A1 (en) * 1988-05-11 1989-11-23 Hofstetter Ag Otto METHOD FOR MIXING A LIQUID GOOD
US4945807A (en) * 1988-08-29 1990-08-07 Apv Chemical Machinery, Inc. Method and apparatus for processing potentially explosive and sensitive materials for forming longitudinally perforated extrudate strands
NL9201457A (en) * 1992-08-14 1994-03-01 Rollepaal B V Maschf De Dividing head for forming a tubular profile from one or more streams of extruded thermoplastic plastic material.
DE102007030677B4 (en) * 2007-07-02 2009-05-07 W. Müller GmbH Multiple extrusion head
DE102017103889A1 (en) 2017-02-24 2018-08-30 Dr. Collin Gmbh Melt channel and extrusion device

Also Published As

Publication number Publication date
FR2413966A1 (en) 1979-08-03
FR2413966B3 (en) 1981-10-02
IT7852491A0 (en) 1978-12-29
DE2847627A1 (en) 1979-07-05

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