IE35603B1 - Multi head extruders - Google Patents

Multi head extruders

Info

Publication number
IE35603B1
IE35603B1 IE37/71A IE3771A IE35603B1 IE 35603 B1 IE35603 B1 IE 35603B1 IE 37/71 A IE37/71 A IE 37/71A IE 3771 A IE3771 A IE 3771A IE 35603 B1 IE35603 B1 IE 35603B1
Authority
IE
Ireland
Prior art keywords
heads
head
pivotable
extrusion
centres
Prior art date
Application number
IE37/71A
Other languages
English (en)
Other versions
IE35603L (en
Original Assignee
Saint Gobain
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 Saint Gobain filed Critical Saint Gobain
Publication of IE35603L publication Critical patent/IE35603L/xx
Publication of IE35603B1 publication Critical patent/IE35603B1/xx

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)
IE37/71A 1970-01-14 1971-01-13 Multi head extruders IE35603B1 (en)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
IE35603L IE35603L (en) 1971-07-14
IE35603B1 true IE35603B1 (en) 1976-03-31

Family

ID=9049012

Family Applications (1)

Application Number Title Priority Date Filing Date
IE37/71A IE35603B1 (en) 1970-01-14 1971-01-13 Multi head extruders

Country Status (11)

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

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP4587254B1 (fr) * 2022-09-13 2026-05-06 Magic MP S.p.A. Groupe de tête de formation de paraison à distance interaxiale variable

Also Published As

Publication number Publication date
ES194409Y (es) 1975-03-16
CH525769A (fr) 1972-07-31
ES194409U (es) 1974-12-01
DE2101443A1 (de) 1971-07-22
ZA71192B (en) 1972-04-26
AT318898B (de) 1974-11-25
BE761603A (fr) 1971-07-14
IE35603L (en) 1971-07-14
GB1336504A (en) 1973-11-07
FR2076414A5 (fr) 1971-10-15
LU62415A1 (fr) 1971-08-04
NL7100304A (fr) 1971-07-16

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