GB1348029A - Methods and apparatus for thickening walls of pipes - Google Patents

Methods and apparatus for thickening walls of pipes

Info

Publication number
GB1348029A
GB1348029A GB2204471A GB2204471A GB1348029A GB 1348029 A GB1348029 A GB 1348029A GB 2204471 A GB2204471 A GB 2204471A GB 2204471 A GB2204471 A GB 2204471A GB 1348029 A GB1348029 A GB 1348029A
Authority
GB
United Kingdom
Prior art keywords
mandrel
die
heated
pipe
moved
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
GB2204471A
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.)
Industriele Onderneming Wavin NV
Wavin BV
Original Assignee
Industriele Onderneming Wavin NV
Wavin BV
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 Industriele Onderneming Wavin NV, Wavin BV filed Critical Industriele Onderneming Wavin NV
Publication of GB1348029A publication Critical patent/GB1348029A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L47/00—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics
    • F16L47/14—Flanged joints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21J—FORGING; HAMMERING; PRESSING METAL; RIVETING; FORGE FURNACES
    • B21J5/00—Methods for forging, hammering, or pressing; Special equipment or accessories therefor
    • B21J5/06—Methods for forging, hammering, or pressing; Special equipment or accessories therefor for performing particular operations
    • B21J5/08—Upsetting
    • 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
    • B29C57/00—Shaping of tube ends, e.g. flanging, belling or closing; Apparatus therefor, e.g. collapsible mandrels

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Shaping Of Tube Ends By Bending Or Straightening (AREA)
GB2204471A 1970-02-25 1971-04-19 Methods and apparatus for thickening walls of pipes Expired GB1348029A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7002692A NL165404C (nl) 1970-02-25 1970-02-25 Werkwijze voor het aan een buiseinde voorzien van een verdikt wandgedeelte, waarvan de verdikking aan de buitenzijde van de buiswand is gelegen

Publications (1)

Publication Number Publication Date
GB1348029A true GB1348029A (en) 1974-03-13

Family

ID=19809430

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2204471A Expired GB1348029A (en) 1970-02-25 1971-04-19 Methods and apparatus for thickening walls of pipes

Country Status (5)

Country Link
BE (1) BE763092A (enrdf_load_stackoverflow)
FR (1) FR2080758B1 (enrdf_load_stackoverflow)
GB (1) GB1348029A (enrdf_load_stackoverflow)
IE (1) IE34963B1 (enrdf_load_stackoverflow)
NL (1) NL165404C (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102672087A (zh) * 2011-03-14 2012-09-19 辽阳石化机械设计制造有限公司 带有冷却装置的四锤头液压精锻机锻造油缸

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE795614A (fr) * 1972-03-21 1973-06-18 Braas & Co Gmbh Procede et dispositif pour mouler un manchon, entoure d'un suage, al'extremite d'un tube en matiere synthetique thermoplastique
GB1589052A (en) * 1976-09-23 1981-05-07 Yorkshire Imperial Plastics Pipe of oriented thermoplastic polymeric material and method of forming the same
FR2438534A1 (fr) * 1978-10-09 1980-05-09 Johns Manville Procede d'epaississement apres fabrication de la paroi d'un troncon extreme de tuyau en matiere plastique

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE532919C (de) * 1930-03-20 1931-09-05 Mannesmann Ag Herstellung von Rohren mit nach innen verstaerkten Enden durch Stauchen
GB561900A (en) * 1942-06-23 1944-06-09 Ti Group Services Ltd Improvements relating to the upsetting of metal tubes, rods or the like
FR1228226A (fr) * 1959-03-09 1960-08-29 Formage des extrémités de tubes thermoplastiques en vue de leur raccordement, de toutes pièces accessoires venant s'y relier directement et machine effectuant ce formage

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102672087A (zh) * 2011-03-14 2012-09-19 辽阳石化机械设计制造有限公司 带有冷却装置的四锤头液压精锻机锻造油缸

Also Published As

Publication number Publication date
IE34963L (en) 1971-08-25
FR2080758A1 (enrdf_load_stackoverflow) 1971-11-19
NL165404C (nl) 1981-04-15
NL165404B (nl) 1980-11-17
IE34963B1 (en) 1975-10-01
FR2080758B1 (enrdf_load_stackoverflow) 1975-01-17
NL7002692A (enrdf_load_stackoverflow) 1971-08-27
BE763092A (nl) 1971-07-16

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Legal Events

Date Code Title Description
PS Patent sealed
PCNP Patent ceased through non-payment of renewal fee