IT956401B - EXTRUSION HEAD FOR THE FABBRI CATION OF A TUBULAR PROFILE OF ARTIFICIAL THERMOPLASTIC MATERIAL - Google Patents

EXTRUSION HEAD FOR THE FABBRI CATION OF A TUBULAR PROFILE OF ARTIFICIAL THERMOPLASTIC MATERIAL

Info

Publication number
IT956401B
IT956401B IT25322/72A IT2532272A IT956401B IT 956401 B IT956401 B IT 956401B IT 25322/72 A IT25322/72 A IT 25322/72A IT 2532272 A IT2532272 A IT 2532272A IT 956401 B IT956401 B IT 956401B
Authority
IT
Italy
Prior art keywords
fabbri
cation
thermoplastic material
extrusion head
tubular profile
Prior art date
Application number
IT25322/72A
Other languages
Italian (it)
Original Assignee
Siemag Siegener Masch Bau
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 Siemag Siegener Masch Bau filed Critical Siemag Siegener Masch Bau
Application granted granted Critical
Publication of IT956401B publication Critical patent/IT956401B/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
    • B29C48/03—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
    • B29C48/32—Extrusion nozzles or dies with annular openings, e.g. for forming 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
    • B29C48/25—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
IT25322/72A 1971-06-09 1972-06-07 EXTRUSION HEAD FOR THE FABBRI CATION OF A TUBULAR PROFILE OF ARTIFICIAL THERMOPLASTIC MATERIAL IT956401B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2128610A DE2128610A1 (en) 1971-06-09 1971-06-09 INJECTION HEAD FOR THE PRODUCTION OF A TUBE-SHAPED RAND OF THERMOPLASTIC PLASTIC

Publications (1)

Publication Number Publication Date
IT956401B true IT956401B (en) 1973-10-10

Family

ID=5810279

Family Applications (1)

Application Number Title Priority Date Filing Date
IT25322/72A IT956401B (en) 1971-06-09 1972-06-07 EXTRUSION HEAD FOR THE FABBRI CATION OF A TUBULAR PROFILE OF ARTIFICIAL THERMOPLASTIC MATERIAL

Country Status (3)

Country Link
DE (1) DE2128610A1 (en)
FR (1) FR2140530A1 (en)
IT (1) IT956401B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5069850A (en) * 1990-07-24 1991-12-03 Bridgestone/Firestone, Inc. Coextrusion apparatus and method using a rigid die for varying the outer profile of a tubular extrudate

Also Published As

Publication number Publication date
FR2140530A1 (en) 1973-01-19
DE2128610A1 (en) 1973-01-04

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