GB1336504A - Multi-head extruder - Google Patents

Multi-head extruder

Info

Publication number
GB1336504A
GB1336504A GB191071A GB191071A GB1336504A GB 1336504 A GB1336504 A GB 1336504A GB 191071 A GB191071 A GB 191071A GB 191071 A GB191071 A GB 191071A GB 1336504 A GB1336504 A GB 1336504A
Authority
GB
United Kingdom
Prior art keywords
heads
head
pivotable
extrusion
extruder
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
GB191071A
Other languages
English (en)
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.)
Compagnie de Saint Gobain SA
Original Assignee
Compagnie de Saint Gobain SA
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 Compagnie de Saint Gobain SA filed Critical Compagnie de Saint Gobain SA
Publication of GB1336504A publication Critical patent/GB1336504A/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
    • B29C48/25—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
    • B29C48/335—Multiple annular extrusion nozzles in coaxial arrangement, e.g. for making multi-layered tubular articles
    • 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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/30—Extrusion nozzles or dies
    • B29C48/345—Extrusion nozzles comprising two or more adjacently arranged ports, for simultaneously extruding multiple strands, e.g. for pelletising

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
GB191071A 1970-01-14 1971-01-14 Multi-head extruder Expired GB1336504A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7001236A FR2076414A5 (https=) 1970-01-14 1970-01-14

Publications (1)

Publication Number Publication Date
GB1336504A true GB1336504A (en) 1973-11-07

Family

ID=9049012

Family Applications (1)

Application Number Title Priority Date Filing Date
GB191071A Expired GB1336504A (en) 1970-01-14 1971-01-14 Multi-head extruder

Country Status (11)

Country Link
AT (1) AT318898B (https=)
BE (1) BE761603A (https=)
CH (1) CH525769A (https=)
DE (1) DE2101443A1 (https=)
ES (1) ES194409Y (https=)
FR (1) FR2076414A5 (https=)
GB (1) GB1336504A (https=)
IE (1) IE35603B1 (https=)
LU (1) LU62415A1 (https=)
NL (1) NL7100304A (https=)
ZA (1) ZA71192B (https=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4587254B1 (en) * 2022-09-13 2026-05-06 Magic MP S.p.A. Parison forming head group with variable interaxial distance

Also Published As

Publication number Publication date
BE761603A (fr) 1971-07-14
CH525769A (fr) 1972-07-31
AT318898B (de) 1974-11-25
LU62415A1 (https=) 1971-08-04
ES194409U (es) 1974-12-01
ES194409Y (es) 1975-03-16
ZA71192B (en) 1972-04-26
FR2076414A5 (https=) 1971-10-15
DE2101443A1 (de) 1971-07-22
NL7100304A (https=) 1971-07-16
IE35603B1 (en) 1976-03-31
IE35603L (en) 1971-07-14

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee