GB1442786A - Method for the production of pipe bends of thermoplastic material and apparatus for carrying out the method - Google Patents

Method for the production of pipe bends of thermoplastic material and apparatus for carrying out the method

Info

Publication number
GB1442786A
GB1442786A GB5589473A GB5589473A GB1442786A GB 1442786 A GB1442786 A GB 1442786A GB 5589473 A GB5589473 A GB 5589473A GB 5589473 A GB5589473 A GB 5589473A GB 1442786 A GB1442786 A GB 1442786A
Authority
GB
United Kingdom
Prior art keywords
bend
pipe
die
wheels
cooled
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.)
Expired
Application number
GB5589473A
Other languages
English (en)
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.)
Granges Essem Plast AS
Original Assignee
Granges Essem Plast AS
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 Granges Essem Plast AS filed Critical Granges Essem Plast AS
Publication of GB1442786A publication Critical patent/GB1442786A/en
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
    • 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
    • B29C48/03—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
    • B29C48/131—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
GB5589473A 1972-12-01 1973-12-03 Method for the production of pipe bends of thermoplastic material and apparatus for carrying out the method Expired GB1442786A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO04435/72*[A NO129892B (enExample) 1972-12-01 1972-12-01

Publications (1)

Publication Number Publication Date
GB1442786A true GB1442786A (en) 1976-07-14

Family

ID=19880309

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5589473A Expired GB1442786A (en) 1972-12-01 1973-12-03 Method for the production of pipe bends of thermoplastic material and apparatus for carrying out the method

Country Status (6)

Country Link
DE (1) DE2359746A1 (enExample)
DK (1) DK130881B (enExample)
FI (1) FI56788C (enExample)
GB (1) GB1442786A (enExample)
NO (1) NO129892B (enExample)
SE (1) SE400220B (enExample)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105729743A (zh) * 2016-03-24 2016-07-06 中山市悦辰电子实业有限公司 一种可调节圆弧弯管夹具
CN107139498A (zh) * 2017-04-01 2017-09-08 武汉市三力塑胶有限责任公司 弧形塑料型材的成型设备及成型工艺
WO2018206960A1 (en) * 2017-05-10 2018-11-15 Imperial Innovations Limited A method for forming curved lengths of extruded profiles/sections in metal alloys
CN113478681A (zh) * 2021-07-09 2021-10-08 常州富桐纤维新材料有限公司 一种母粒间接冷却装置

Families Citing this family (10)

* 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
US4649012A (en) * 1980-06-03 1987-03-10 Maschinen Witte Kg Method of shaping an elongated product
US4929167A (en) * 1987-06-12 1990-05-29 Pepper Kenneth V Apparatus for producing a helical tube
US5562875A (en) * 1988-06-17 1996-10-08 Gencorp Inc. Handling system and method for curved extrusions
US5067885A (en) * 1988-06-17 1991-11-26 Gencorp Inc. Rapid change die assembly
US4906171A (en) * 1988-06-17 1990-03-06 Gencorp Inc. Directed flow die assembly
US5069853A (en) * 1988-06-17 1991-12-03 Gencorp Inc. Method of configuring extrudate flowing from an extruder die assembly
US5219588A (en) * 1990-02-12 1993-06-15 Gencorp Inc. Die assembly control
CN110239067B (zh) * 2019-07-15 2024-06-21 浙江甬源塑业有限公司 一种立式塑料管弯管设备

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105729743A (zh) * 2016-03-24 2016-07-06 中山市悦辰电子实业有限公司 一种可调节圆弧弯管夹具
CN105729743B (zh) * 2016-03-24 2024-02-27 中山市悦辰电子实业有限公司 一种可调节圆弧弯管夹具
CN107139498A (zh) * 2017-04-01 2017-09-08 武汉市三力塑胶有限责任公司 弧形塑料型材的成型设备及成型工艺
WO2018206960A1 (en) * 2017-05-10 2018-11-15 Imperial Innovations Limited A method for forming curved lengths of extruded profiles/sections in metal alloys
CN110891703A (zh) * 2017-05-10 2020-03-17 帝国科技及医学学院 形成金属合金的挤出型材/部分的弯曲长度的方法
CN110891703B (zh) * 2017-05-10 2022-05-24 帝国理工学院创新有限公司 形成金属合金的挤出型材/部分的弯曲长度的方法
CN114682639A (zh) * 2017-05-10 2022-07-01 帝国理工学院创新有限公司 形成金属合金的挤出型材/部分的弯曲长度的方法
CN113478681A (zh) * 2021-07-09 2021-10-08 常州富桐纤维新材料有限公司 一种母粒间接冷却装置

Also Published As

Publication number Publication date
FI56788C (fi) 1980-04-10
DK130881B (da) 1975-04-28
SE400220B (sv) 1978-03-20
NO129892B (enExample) 1974-06-10
DK130881C (enExample) 1975-09-15
DE2359746A1 (de) 1974-06-12
FI56788B (fi) 1979-12-31

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee