GB2350581B - A method of forming a bend in a pipe - Google Patents

A method of forming a bend in a pipe

Info

Publication number
GB2350581B
GB2350581B GB9907112A GB9907112A GB2350581B GB 2350581 B GB2350581 B GB 2350581B GB 9907112 A GB9907112 A GB 9907112A GB 9907112 A GB9907112 A GB 9907112A GB 2350581 B GB2350581 B GB 2350581B
Authority
GB
United Kingdom
Prior art keywords
bend
pipe
forming
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 - Lifetime
Application number
GB9907112A
Other versions
GB9907112D0 (en
GB2350581A (en
Inventor
Keith Millward
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.)
Polypipe PLC
Original Assignee
Polypipe PLC
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 Polypipe PLC filed Critical Polypipe PLC
Priority to GB9907112A priority Critical patent/GB2350581B/en
Publication of GB9907112D0 publication Critical patent/GB9907112D0/en
Publication of GB2350581A publication Critical patent/GB2350581A/en
Application granted granted Critical
Publication of GB2350581B publication Critical patent/GB2350581B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • 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
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/04—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam
    • B29C35/041—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using liquids, gas or steam using liquids
    • 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
    • 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
    • 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
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2023/00—Use of polyalkenes or derivatives thereof as moulding material
    • B29K2023/04—Polymers of ethylene
    • B29K2023/06—PE, i.e. polyethylene
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/0085—Copolymers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2105/00—Condition, form or state of moulded material or of the material to be shaped
    • B29K2105/24—Condition, form or state of moulded material or of the material to be shaped crosslinked or vulcanised
    • 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)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
GB9907112A 1999-03-26 1999-03-26 A method of forming a bend in a pipe Expired - Lifetime GB2350581B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9907112A GB2350581B (en) 1999-03-26 1999-03-26 A method of forming a bend in a pipe

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9907112A GB2350581B (en) 1999-03-26 1999-03-26 A method of forming a bend in a pipe

Publications (3)

Publication Number Publication Date
GB9907112D0 GB9907112D0 (en) 1999-05-19
GB2350581A GB2350581A (en) 2000-12-06
GB2350581B true GB2350581B (en) 2003-12-24

Family

ID=10850504

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9907112A Expired - Lifetime GB2350581B (en) 1999-03-26 1999-03-26 A method of forming a bend in a pipe

Country Status (1)

Country Link
GB (1) GB2350581B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1511765A (en) * 1975-08-02 1978-05-24 Allg Synthetische Gmbh Method of manufacturing a hot-water proof plastics pipe
US4242296A (en) * 1979-08-27 1980-12-30 Dayco Corporation Method for making curved hose
US4440712A (en) * 1981-01-26 1984-04-03 Friedrich Imgram Process for the preparation of shaped articles
JPS62132638A (en) * 1985-12-04 1987-06-15 Takagi Seisakusho:Kk Process for molding hose for radiator liquid
GB2294897A (en) * 1994-11-10 1996-05-15 Hepworth Building Prod Pipe manufacturing process to retain memory

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1511765A (en) * 1975-08-02 1978-05-24 Allg Synthetische Gmbh Method of manufacturing a hot-water proof plastics pipe
US4242296A (en) * 1979-08-27 1980-12-30 Dayco Corporation Method for making curved hose
US4440712A (en) * 1981-01-26 1984-04-03 Friedrich Imgram Process for the preparation of shaped articles
JPS62132638A (en) * 1985-12-04 1987-06-15 Takagi Seisakusho:Kk Process for molding hose for radiator liquid
GB2294897A (en) * 1994-11-10 1996-05-15 Hepworth Building Prod Pipe manufacturing process to retain memory

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
WPI Abstract Accession No.1987-203431/198729 & JP 62 132 638 A (TAKAGI) 15.06.1987 (see abstract) *

Also Published As

Publication number Publication date
GB9907112D0 (en) 1999-05-19
GB2350581A (en) 2000-12-06

Similar Documents

Publication Publication Date Title
GB2387403B (en) Method to install a pipe in a well
GC0000351A (en) Pipe connecting method
EP1264910A4 (en) Steel pipe having excellent formability and method for production thereof
AU4500901A (en) A method of performing a transaction
HUP0302100A3 (en) A joint structure and method for making a joint structure
GB0015656D0 (en) System and method for producing a patent specification and a patent application
TW420269U (en) connector structure of a pipe
EP1097755A4 (en) Bending method for pipe material
HUP0201614A2 (en) Medium-carrying hose and a method for manufacturing such a hose
GB9925659D0 (en) A method of verification
GB2350581B (en) A method of forming a bend in a pipe
IL145735A0 (en) A method of exchanging property
GB2363587B (en) Corrugated thick-walled pipe for use in wellbores
GB0025966D0 (en) Method for determining a flexible pipe structure
EP1420906A4 (en) Method of forming a tube
EP1222041A4 (en) Method of crushing a tube
TW424593U (en) Bend pipe forming mold improvement
GB9926179D0 (en) A method of exchanging signals in internet telephony
SI1198683T1 (en) A method of closing a pipe
EP1255617A4 (en) A coating method
ZA200109078B (en) Pipe coating method
GB9919251D0 (en) A pipe connector
GB9906557D0 (en) A pipe fitting
GB0020011D0 (en) Method for lining a pipe or main
GB0026601D0 (en) A pipe

Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)

Free format text: REGISTERED BETWEEN 20110217 AND 20110223

PE20 Patent expired after termination of 20 years

Expiry date: 20190325