JPS56150527A - Cross head of extruder - Google Patents

Cross head of extruder

Info

Publication number
JPS56150527A
JPS56150527A JP5429380A JP5429380A JPS56150527A JP S56150527 A JPS56150527 A JP S56150527A JP 5429380 A JP5429380 A JP 5429380A JP 5429380 A JP5429380 A JP 5429380A JP S56150527 A JPS56150527 A JP S56150527A
Authority
JP
Japan
Prior art keywords
heater
holder
stop cover
cross head
bolts
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.)
Pending
Application number
JP5429380A
Other languages
Japanese (ja)
Inventor
Shoichi Nagai
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.)
Furukawa Electric Co Ltd
Original Assignee
Furukawa Electric Co 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 Furukawa Electric Co Ltd filed Critical Furukawa Electric Co Ltd
Priority to JP5429380A priority Critical patent/JPS56150527A/en
Publication of JPS56150527A publication Critical patent/JPS56150527A/en
Pending 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
    • B29C48/34—Cross-head annular extrusion nozzles, i.e. for simultaneously receiving moulding material and the preform to be coated
    • 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
    • B29C48/25—Component parts, details or accessories; Auxiliary operations
    • B29C48/256—Exchangeable extruder parts
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Processes Specially Adapted For Manufacturing Cables (AREA)

Abstract

PURPOSE:To facilitate reclamping operation of stop cover required after the operation of the heater by providing a through hole for inserting a screw driver on a part of the heater wrapping around the artridge type cross head. CONSTITUTION:A holder 20 is attached to the main body 14 of an extruder with a resin outlet 14a in alignment with a resin inlet 20a. A cartridge type cross head 12 is disposed in a space formed by the semicircular recesses 21 and 23 of the holder 20 and a stop cover 22 and the stop cover 22 is fixed to the holder 20 with bolts 24. The holder 20 and the stop cover 22 thus fastened together are covered with a heater 28 having a through hole 36 for inserting a screw driver therethrough. The heater 28 is fixed at the position with bolts 26. The stop cover is required to be fastened again after the heater is energized to stop the gaps formed at the interface between the holder 20 and the cross head 12 resulting from the thermal deformation of the members and causing resin leakage. The stop cover can easily be refastened without removing the heater 28 by inserting a screw driver through the through holes 36 and by tightening the bolts 24.
JP5429380A 1980-04-25 1980-04-25 Cross head of extruder Pending JPS56150527A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5429380A JPS56150527A (en) 1980-04-25 1980-04-25 Cross head of extruder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5429380A JPS56150527A (en) 1980-04-25 1980-04-25 Cross head of extruder

Publications (1)

Publication Number Publication Date
JPS56150527A true JPS56150527A (en) 1981-11-21

Family

ID=12966514

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5429380A Pending JPS56150527A (en) 1980-04-25 1980-04-25 Cross head of extruder

Country Status (1)

Country Link
JP (1) JPS56150527A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5451355A (en) * 1992-02-06 1995-09-19 Vetrotex France S.A. Process for the manufacture of a composite thread and composite products obtained from said thread
US5571326A (en) * 1992-02-06 1996-11-05 Vetrotex France S.A. Device for sheathing a filiform material with a molten substance

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5451355A (en) * 1992-02-06 1995-09-19 Vetrotex France S.A. Process for the manufacture of a composite thread and composite products obtained from said thread
US5571326A (en) * 1992-02-06 1996-11-05 Vetrotex France S.A. Device for sheathing a filiform material with a molten substance

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