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IT1130791B - EXTRUSION PROCEDURE - Google Patents

EXTRUSION PROCEDURE

Info

Publication number
IT1130791B
IT1130791B IT22813/80A IT2281380A IT1130791B IT 1130791 B IT1130791 B IT 1130791B IT 22813/80 A IT22813/80 A IT 22813/80A IT 2281380 A IT2281380 A IT 2281380A IT 1130791 B IT1130791 B IT 1130791B
Authority
IT
Italy
Prior art keywords
extrusion procedure
extrusion
procedure
Prior art date
Application number
IT22813/80A
Other languages
Italian (it)
Other versions
IT8022813A0 (en
Inventor
Otto B Jeffrey
David M Howe
Original Assignee
Rogers Corp
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 Rogers Corp filed Critical Rogers Corp
Publication of IT8022813A0 publication Critical patent/IT8022813A0/en
Application granted granted Critical
Publication of IT1130791B publication Critical patent/IT1130791B/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
    • B29C48/475—Means for plasticising or homogenising the moulding material or forcing it through the nozzle or die using pistons, accumulators or press rams
    • 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
    • B29C48/06—Rod-shaped
    • 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
    • B29C48/12—Articles with an irregular circumference when viewed in cross-section, e.g. window profiles

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
IT22813/80A 1979-06-18 1980-06-16 EXTRUSION PROCEDURE IT1130791B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US4946579A 1979-06-18 1979-06-18

Publications (2)

Publication Number Publication Date
IT8022813A0 IT8022813A0 (en) 1980-06-16
IT1130791B true IT1130791B (en) 1986-06-18

Family

ID=21959962

Family Applications (1)

Application Number Title Priority Date Filing Date
IT22813/80A IT1130791B (en) 1979-06-18 1980-06-16 EXTRUSION PROCEDURE

Country Status (6)

Country Link
JP (1) JPS5638243A (en)
BE (1) BE883762A (en)
DE (1) DE3022745A1 (en)
FR (1) FR2459126A1 (en)
GB (1) GB2052357A (en)
IT (1) IT1130791B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3421978A1 (en) * 1984-06-14 1985-12-19 Basf Ag, 6700 Ludwigshafen METHOD FOR PRODUCING PRESSING BODIES FROM SMALL-PART THERMOPLASTIC POLYMERISATS
US5169587A (en) * 1990-06-15 1992-12-08 Symplastics Limited Process for extruding large oriented polymer shapes
CN103624951B (en) * 2013-12-08 2016-05-11 山东建筑大学 A kind of plastic extrusion method of efficiently extruding PA66 internal tooth form gear

Also Published As

Publication number Publication date
IT8022813A0 (en) 1980-06-16
GB2052357A (en) 1981-01-28
DE3022745A1 (en) 1981-01-22
BE883762A (en) 1980-10-01
FR2459126A1 (en) 1981-01-09
JPS5638243A (en) 1981-04-13

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