JPS50116552A - - Google Patents

Info

Publication number
JPS50116552A
JPS50116552A JP49143075A JP14307574A JPS50116552A JP S50116552 A JPS50116552 A JP S50116552A JP 49143075 A JP49143075 A JP 49143075A JP 14307574 A JP14307574 A JP 14307574A JP S50116552 A JPS50116552 A JP S50116552A
Authority
JP
Japan
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.)
Granted
Application number
JP49143075A
Other languages
Japanese (ja)
Other versions
JPS5755576B2 (enrdf_load_stackoverflow
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 filed Critical
Publication of JPS50116552A publication Critical patent/JPS50116552A/ja
Publication of JPS5755576B2 publication Critical patent/JPS5755576B2/ja
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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/16—Cooling
    • 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
    • B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
    • B29C53/02—Bending or folding
    • B29C53/08—Bending or folding of tubes or other profiled members
    • B29C53/083—Bending or folding of tubes or other profiled members bending longitudinally, i.e. modifying the curvature of the tube axis
    • 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
    • B29C48/001—Combinations of extrusion moulding with other shaping operations
    • B29C48/0019—Combinations of extrusion moulding with other shaping operations combined with shaping by flattening, folding or bending
    • 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
    • B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
    • B29C48/10—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels flexible, e.g. blown foils
    • 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
    • B29C48/131—Curved articles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
    • B29L2023/00—Tubular articles
    • B29L2023/22—Tubes or pipes, i.e. rigid

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Thermal Sciences (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
JP49143075A 1973-12-15 1974-12-14 Expired JPS5755576B2 (enrdf_load_stackoverflow)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2362465A DE2362465C3 (de) 1973-12-15 1973-12-15 Verfahren zur Herstellung von starren Rohrbogen aus Kunststoff und Vorrichtung zur Durchführung des Verfahrens

Publications (2)

Publication Number Publication Date
JPS50116552A true JPS50116552A (enrdf_load_stackoverflow) 1975-09-11
JPS5755576B2 JPS5755576B2 (enrdf_load_stackoverflow) 1982-11-25

Family

ID=5900889

Family Applications (1)

Application Number Title Priority Date Filing Date
JP49143075A Expired JPS5755576B2 (enrdf_load_stackoverflow) 1973-12-15 1974-12-14

Country Status (2)

Country Link
JP (1) JPS5755576B2 (enrdf_load_stackoverflow)
DE (1) DE2362465C3 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62238728A (ja) * 1986-04-09 1987-10-19 Tokai Rubber Ind Ltd 熱硬化性樹脂製曲管の製法

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4273523A (en) * 1979-10-26 1981-06-16 Nipak, Inc. Sweep ell production apparatus
US4359446A (en) * 1979-10-26 1982-11-16 Nipak, Inc. Sweep ell production method
US4955803A (en) * 1986-02-03 1990-09-11 The Board Of Trustees Of The Leland Stanford Junior University Apparatus for forming fiber composite materials
US5102609A (en) * 1986-02-03 1992-04-07 The Board Of Trustees Of The Leland Stanford Junior University Process for forming fiber composite materials
US4929167A (en) * 1987-06-12 1990-05-29 Pepper Kenneth V Apparatus for producing a helical tube
US5344602A (en) * 1992-08-14 1994-09-06 The Board Of Trustees Of The Leland Stanford Junior University Continuous forming of fiber composite materials
JP7283070B2 (ja) * 2018-12-19 2023-05-30 コベルコ建機株式会社 作業機械用周辺監視装置
CN114474645B (zh) * 2022-02-14 2023-10-27 三杰节能新材料股份有限公司 一种大型聚乙烯保温外护弯管的加工方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62238728A (ja) * 1986-04-09 1987-10-19 Tokai Rubber Ind Ltd 熱硬化性樹脂製曲管の製法

Also Published As

Publication number Publication date
JPS5755576B2 (enrdf_load_stackoverflow) 1982-11-25
DE2362465B2 (de) 1977-08-11
DE2362465C3 (de) 1978-04-06
DE2362465A1 (de) 1975-06-26

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