IE42251L - Making pipe couplings by injection moulding - Google Patents

Making pipe couplings by injection moulding

Info

Publication number
IE42251L
IE42251L IE760159A IE15976A IE42251L IE 42251 L IE42251 L IE 42251L IE 760159 A IE760159 A IE 760159A IE 15976 A IE15976 A IE 15976A IE 42251 L IE42251 L IE 42251L
Authority
IE
Ireland
Prior art keywords
core
sleeve
coupling
injection moulding
cores
Prior art date
Application number
IE760159A
Other versions
IE42251B1 (en
Original Assignee
Hepworth Iron 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 Hepworth Iron Co Ltd filed Critical Hepworth Iron Co Ltd
Publication of IE42251L publication Critical patent/IE42251L/en
Publication of IE42251B1 publication Critical patent/IE42251B1/en

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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
    • B29C45/14598—Coating tubular articles
    • B29C45/14622—Lining the inner or outer surface of 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C45/1635—Making multilayered or multicoloured articles using displaceable mould parts, e.g. retractable partition between adjacent mould cavities
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C45/1657—Making multilayered or multicoloured articles using means for adhering or bonding the layers or parts to each other
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C45/1676—Making multilayered or multicoloured articles using a soft material and a rigid material, e.g. making articles with a sealing part
    • 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
    • F16L47/06—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics with sleeve or socket formed by or in the pipe end
    • 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
    • F16L47/06—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics with sleeve or socket formed by or in the pipe end
    • F16L47/08—Connecting arrangements or other fittings specially adapted to be made of plastics or to be used with pipes made of plastics with sleeve or socket formed by or in the pipe end with sealing rings arranged between the outer surface of one pipe end and the inner surface of the sleeve or socket, the sealing rings being placed previously in the sleeve or socket
    • 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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/16—Making multilayered or multicoloured articles
    • B29C45/1657—Making multilayered or multicoloured articles using means for adhering or bonding the layers or parts to each other
    • B29C2045/1664—Chemical bonds
    • 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
    • B29L2031/00—Other particular articles
    • B29L2031/24—Pipe joints or couplings
    • 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
    • B29L2031/00—Other particular articles
    • B29L2031/26—Sealing devices, e.g. packaging for pistons or pipe joints
    • B29L2031/265—Packings, Gaskets

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Joints With Sleeves (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)

Abstract

1477074 Injection moulding pipe couplings HEPWORTH IRON CO Ltd 19 Jan 1976 [31 Jan 1975] 4372/75 Heading B5A [Also in Division F2] A method of manufacturing a plastics pipe coupling of the sleeve or socket and spigot type comprises injection moulding a second annular member on to a preformed first annular member. The latter may also be injection moulded. The members are interconnected by a chemical and/or mechanical bond. One member may be rigid PVC polypropylene or polyethylene and the other member may be plasticised P.V.C. or a cross-linked thermoplastic rubber. The outer member 1 may be formed with axial ribs 4 provided with end undercuts 5 to provide a mechanical key with the inner member 2. The latter may have a wave-like inner surface for gripping the pipe ends. The coupling 1, 2 may be formed by double injection moulding in the mould shown in Fig. 3. The outer first member 1 is formed by injecting from a nozzle 15 into a cavity defined by a block 10, and sleeve cores 11, 12 supported on cores 7, 9. Following the moulding of the member 1, the sleeve core 12 is retracted along the core 9 the sleeve core 11 is retracted along the core 7 with the nozzle 15, and members 13a-14b are moved radially inwardly to define with the member 1 and cores 7, 9 a second mould cavity in which the second member 2 is formed by injection from a second nozzle (16, Fig. 4 not shown). The composite pipe coupling is ejected by retracting the core 9 to strip the coupling from the core 7 and then sliding the core sleeve 12 along to strip the coupling from the core 9. [GB1477074A]
IE159/76A 1975-01-31 1976-01-28 Improvements relating to the manufacture of pipe couplings IE42251B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB437275A GB1477074A (en) 1975-01-31 1975-01-31 Manufacture of pipe couplings

Publications (2)

Publication Number Publication Date
IE42251L true IE42251L (en) 1976-07-31
IE42251B1 IE42251B1 (en) 1980-07-02

Family

ID=9775940

Family Applications (1)

Application Number Title Priority Date Filing Date
IE159/76A IE42251B1 (en) 1975-01-31 1976-01-28 Improvements relating to the manufacture of pipe couplings

Country Status (21)

Country Link
JP (1) JPS602168B2 (en)
AU (1) AU500717B2 (en)
BE (1) BE838058A (en)
BR (1) BR7600594A (en)
CA (1) CA1081419A (en)
CS (1) CS214730B2 (en)
DD (1) DD124239A5 (en)
DE (1) DE2603393C2 (en)
DK (1) DK152567B (en)
ES (1) ES444820A1 (en)
FI (1) FI760226A (en)
FR (1) FR2299143A1 (en)
GB (1) GB1477074A (en)
IE (1) IE42251B1 (en)
IT (1) IT1057104B (en)
NL (1) NL7600937A (en)
NZ (1) NZ179865A (en)
PT (1) PT64746B (en)
SE (1) SE7600996L (en)
SU (1) SU673160A3 (en)
ZA (1) ZA76377B (en)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5287855A (en) * 1976-08-20 1977-07-22 Asahi Concrete Works Connecting work of construction among precast* box and culvert
GB1595225A (en) * 1977-02-04 1981-08-12 Hepworth Iron Co Ltd Coupling pipes
GB1572100A (en) * 1977-06-10 1980-07-23 Hepworth Iron Co Ltd Plastics pipe couplings
DE2807022C2 (en) * 1978-02-18 1982-07-01 Fa. Carl Freudenberg, 6940 Weinheim Sealing ring
CH643047A5 (en) * 1978-10-18 1984-05-15 Battenfeld Maschfab Method for producing fittings for pipe connections and tool for exercise of procedure and by this method made fitting.
FR2447261A1 (en) * 1979-01-25 1980-08-22 Lincrusta Two=stage moulding of thin-wall tubes with integral pads or collars - using alternative mould jackets to shape the thinner external features
NL178028C (en) * 1979-03-30 1986-01-02 Wavin Bv HOLDING RING WITH SEAL FOR A TUBE PART.
NL7909294A (en) * 1979-12-21 1981-07-16 Wavin Bv METHOD FOR ASSOCIATING A FIXING PART AND A SEAL BODY FOR A PIPE CONNECTION.
NL7909293A (en) * 1979-12-21 1981-07-16 Wavin Bv METHOD FOR APPLYING A SEALING BODY IN A GROOVE OF A SOCKET
JPS5943578U (en) * 1982-09-16 1984-03-22 前田製管株式会社 box culvert
FR2550848B1 (en) * 1983-08-18 1988-08-12 Valeo SHUTTER, IN PARTICULAR FOR A HEATING OR AIR-CONDITIONING INSTALLATION OF A VEHICLE INTERIOR, AND ITS MANUFACTURING METHOD
JPS6196069U (en) * 1984-11-29 1986-06-20
NL8500075A (en) * 1985-01-14 1986-08-01 Wavin Bv SEAL FOR A PIPE CONNECTION.
GB8516613D0 (en) * 1985-07-01 1985-08-07 Naylor Bros Clayware Ltd Pipe connector
GB8517073D0 (en) * 1985-07-05 1985-08-14 Hepworth Iron Co Ltd Pipe pipe couplings &c
JPH0657968B2 (en) * 1986-02-27 1994-08-03 ド−ピ−建設工業株式会社 Box culvert
JPH0696874B2 (en) * 1986-05-26 1994-11-30 ド−ピ−建設工業株式会社 Box carboad connection method
ES2020276B3 (en) * 1986-07-18 1991-08-01 Wavin Bv DUCT COUPLINGS
GB2192578B (en) * 1986-07-18 1990-02-14 Wavin Bv Pipe couplings
GB2192577B (en) * 1986-07-18 1990-01-10 Wavin Bv Channel conduit couplings
JPS62169075U (en) * 1986-07-21 1987-10-27
US4927184A (en) * 1986-11-07 1990-05-22 Atochem Pipes base on polyolefin resin for manufacturing pipelines and couplings for assembling them
FR2606487B1 (en) * 1986-11-07 1989-03-10 Silix POLYOLEFINIC RESIN TUBES FOR THE PRODUCTION OF PIPES, SLEEVES FOR THEIR ASSEMBLY AND METHOD FOR THEIR MANUFACTURE
FR2612118B1 (en) * 1987-03-09 1989-06-16 Draka Polva Bv CONNECTION FOR RESIN PIPING BASED ON VINYL CHLORIDE COMPRISING A THERMOPLASTIC RUBBER SEALING RING
EP0457947A1 (en) * 1990-05-23 1991-11-27 RAFELD KUNSTSTOFFTECHNIK GmbH & Co. KG Process for manufacturing pipe-coupling out of plastic by injection moulding
US5681062A (en) * 1995-09-27 1997-10-28 Kunimorikagaku Ltd. Tubular joint
GB2310629B (en) * 1996-02-29 1999-06-30 Applied Rubber Linings Ltd Method and apparatus for moulding a lining for a pipe or tube
IT1288179B1 (en) * 1996-03-08 1998-09-11 Seeber Srl METHOD FOR THE PRODUCTION OF ARTICLES IN PLASTIC MATERIAL WITH AT LEAST TWO COMPONENTS, SYSTEM AND MOLD FOR ITS PRODUCTION.
FR2752560B1 (en) * 1996-08-23 1998-09-25 Lorraine Capsules Metall PROCESS FOR MAKING A PLUG IN PLASTIC MATERIAL AND PLUG OBTAINED FROM SAID METHOD
NL1008949C2 (en) * 1998-02-11 1999-08-12 Inter Tooling Services Bv Method and device for manufacturing a cuff seal for a plastic fitting or fitting ring.
AU3174000A (en) * 1999-03-10 2000-09-28 Radius Plastics Limited Corrugated pipe connector and method of manufacture
US6231090B1 (en) * 1999-03-31 2001-05-15 Kunimorikagaku Co. Ltd. Tubular joint
DE19925817C1 (en) * 1999-06-07 2000-08-31 Hobas Engineering Gmbh Klagenf Glass fiber reinforced plastic sleeve for pipe coupling has interior rubber-elastic sealing material bonded to sleeve by chemical cross-linking
WO2001070480A1 (en) * 2000-03-21 2001-09-27 David Mullan Pipe couplings
GB0006662D0 (en) * 2000-03-21 2000-05-10 Millan David R Pipe end seal. (internal).
JP3482431B2 (en) * 2001-05-10 2003-12-22 橘 敬久 Pipe fittings
DE102004027144B4 (en) * 2004-06-03 2015-10-22 Continental Automotive Gmbh Valve
EP1909018B1 (en) * 2006-10-05 2014-08-20 Georg Fischer Rohrleitungssysteme AG Pipe connection with thermal insulation and procedure for the manufacture of the pipe connecting part
DE102007017157B4 (en) 2007-04-11 2014-01-16 Norma Germany Gmbh Sealing sleeve for a pipe connector
FI122782B (en) * 2008-08-12 2012-06-29 Stora Enso Oyj A mold system and method for making a board-based container
IT1393549B1 (en) * 2009-04-03 2012-04-27 Coes S P A JOINT FOR HYDRAULIC SEALING OF PIPES OR FITTINGS, PARTICULARLY IN POLYPROPYLENE, FOR HYDRAULIC LOW PRESSURE PLANTS.
DE102009054915A1 (en) 2009-12-18 2011-06-22 Robert Bosch GmbH, 70469 Injection molding process for producing a functional part with a recess
DE102011015462B4 (en) * 2011-03-29 2021-07-08 Markus Beck Process for producing a molded part
WO2015184149A1 (en) * 2014-05-29 2015-12-03 Cutting Edge Fittings And More, Llc Flexible pipe fitting
CN114714640B (en) * 2021-12-21 2024-07-12 浙江华丰新材料股份有限公司 Pipeline connector and manufacturing method thereof

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DE1218140B (en) * 1955-06-15 1966-06-02 Sued West Chemie Gmbh Connection fitting made of plastic
US3016579A (en) * 1957-12-27 1962-01-16 Smith Corona Marchant Inc Method of molding indicia wheels
DE1819118U (en) * 1960-05-24 1960-10-06 Hoechst Ag CONTAINER MADE OF POLYOLEFIN
BE719782A (en) * 1968-08-22 1969-02-03
GB1236907A (en) * 1969-02-25 1971-06-23 Hepworth Iron Co Ltd Improvements in or relating to pipe couplings
DE2110156A1 (en) * 1971-03-03 1972-09-21 Star Kugelhalter Gmbh Dt Injection moulding - two different plastics in sequence where first is harder and accepts moulded lip
DE2157015C2 (en) * 1971-11-17 1982-04-01 Industriewerk Schaeffler Ohg, 8522 Herzogenaurach Method for producing a seal from an injection-molded material

Also Published As

Publication number Publication date
PT64746A (en) 1976-02-01
BR7600594A (en) 1976-08-31
DD124239A5 (en) 1977-02-09
DE2603393C2 (en) 1986-06-05
DK152567B (en) 1988-03-21
BE838058A (en) 1976-05-14
JPS602168B2 (en) 1985-01-19
CS214730B2 (en) 1982-05-28
JPS5217567A (en) 1977-02-09
NZ179865A (en) 1978-04-03
DE2603393A1 (en) 1976-08-19
NL7600937A (en) 1976-08-03
SU673160A3 (en) 1979-07-05
IE42251B1 (en) 1980-07-02
IT1057104B (en) 1982-03-10
PT64746B (en) 1977-08-16
CA1081419A (en) 1980-07-15
FR2299143A1 (en) 1976-08-27
GB1477074A (en) 1977-06-22
ES444820A1 (en) 1977-09-01
FR2299143B1 (en) 1978-11-10
ZA76377B (en) 1977-01-26
DK30576A (en) 1976-08-01
FI760226A (en) 1976-08-01
SE7600996L (en) 1976-08-01
AU500717B2 (en) 1979-05-31
AU1072176A (en) 1977-08-11

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