GB1402395A - Pipes - Google Patents

Pipes

Info

Publication number
GB1402395A
GB1402395A GB1992773A GB1992773A GB1402395A GB 1402395 A GB1402395 A GB 1402395A GB 1992773 A GB1992773 A GB 1992773A GB 1992773 A GB1992773 A GB 1992773A GB 1402395 A GB1402395 A GB 1402395A
Authority
GB
United Kingdom
Prior art keywords
ribs
april
crossing
circumferential ribs
spaced circumferential
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
GB1992773A
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.)
DURO PENTA HOLDINGS Pty Ltd
Original Assignee
DURO PENTA HOLDINGS Pty 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 DURO PENTA HOLDINGS Pty Ltd filed Critical DURO PENTA HOLDINGS Pty Ltd
Publication of GB1402395A publication Critical patent/GB1402395A/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
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/26—Moulds
    • B29C45/261—Moulds having tubular 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
    • B29C45/0003—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor of successively moulded portions rigidly joined to each other

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)

Abstract

1402395 Plastics pipes DURO-PENTA HOLDINGS (PTY) Ltd 26 April 1973 [28 April 1972] 19927/73 Heading F2P [Also in Division B5] A metal-reinforced synthetic resin pipe includes external ribs in the form of (i) spaced circumferential ribs, (ii) spaced circumferential ribs 2 (Fig. 1) joined by longitudinal ribs 3, (iii) crossing circumferential ribs (Fig. 3a), or (iv) crossing helical ribs (Fig. 3b). Moulding of the pipe is described (see Divisions B4-B5).
GB1992773A 1972-04-28 1973-04-26 Pipes Expired GB1402395A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
ZA722898A ZA722898B (en) 1972-04-28 1972-04-28 Improvements in or relating to pipes

Publications (1)

Publication Number Publication Date
GB1402395A true GB1402395A (en) 1975-08-06

Family

ID=25564818

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1992773A Expired GB1402395A (en) 1972-04-28 1973-04-26 Pipes

Country Status (8)

Country Link
AU (1) AU463638B2 (en)
CA (1) CA1011521A (en)
CH (1) CH551272A (en)
FI (1) FI58276C (en)
FR (1) FR2182214B1 (en)
GB (1) GB1402395A (en)
NL (1) NL164504C (en)
ZA (1) ZA722898B (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2185210A (en) * 1986-01-15 1987-07-15 Apsley Metals Ltd Moulding annular components
GB2256252A (en) * 1991-05-31 1992-12-02 Du Pont Manhandling pipes
EP1900988A1 (en) * 2006-09-13 2008-03-19 Dipl.-Ing. Dr. Ernst Vogelsang GmbH & Co. KG Plastic pipe for fluid transfer
DE102007060628A1 (en) * 2007-12-15 2009-06-18 Daimler Ag Process for the production of composite components
WO2009109776A2 (en) * 2008-03-03 2009-09-11 Trelleborg Crp Limited Mould for forming a cladding upon an elongate member
BE1022735B1 (en) * 2015-02-25 2016-08-25 Nimme Bvba Injection molding of multiple elements

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE449456B (en) * 1983-11-15 1987-05-04 Uponor Ab PROCEDURE AND DEVICE FOR MANUFACTURE OF RODS WHERE THE FORM BACK PARTS ARE DIVIDED IN THE LONG DIRECTION OF THE FORM
FR2561164A1 (en) * 1984-03-16 1985-09-20 Ind Plastiq Lyonnai Exploit Process for step-by-step moulding of an elongate part having lateral projections and mould for its implementation
AU619838B2 (en) * 1988-05-19 1992-02-06 Interlock Plastics Pty. Ltd. Duct components
FR2706352B1 (en) * 1993-06-18 1995-10-27 Lagneaux Didier Process for the production of laminated profiles based on materials, comprising in particular plastics and the machine implementing the process.

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2185210A (en) * 1986-01-15 1987-07-15 Apsley Metals Ltd Moulding annular components
GB2185210B (en) * 1986-01-15 1990-02-14 Apsley Metals Ltd Moulding of annular rubber or plastics articles
GB2256252A (en) * 1991-05-31 1992-12-02 Du Pont Manhandling pipes
GB2256691A (en) * 1991-05-31 1992-12-16 Uponor Bv Manhandling pipes
GB2256691B (en) * 1991-05-31 1993-12-08 Uponor Bv Elongate hollow member
EP1900988A1 (en) * 2006-09-13 2008-03-19 Dipl.-Ing. Dr. Ernst Vogelsang GmbH & Co. KG Plastic pipe for fluid transfer
DE102007060628A1 (en) * 2007-12-15 2009-06-18 Daimler Ag Process for the production of composite components
WO2009109776A2 (en) * 2008-03-03 2009-09-11 Trelleborg Crp Limited Mould for forming a cladding upon an elongate member
WO2009109776A3 (en) * 2008-03-03 2009-12-03 Trelleborg Crp Limited Mould for forming a cladding upon an elongate member
BE1022735B1 (en) * 2015-02-25 2016-08-25 Nimme Bvba Injection molding of multiple elements

Also Published As

Publication number Publication date
AU5491473A (en) 1974-10-31
NL164504B (en) 1980-08-15
FI58276C (en) 1981-01-12
DE2321398B2 (en) 1976-07-29
CH551272A (en) 1974-07-15
NL164504C (en) 1981-01-15
AU463638B2 (en) 1975-07-31
NL7305983A (en) 1973-10-30
DE2321398A1 (en) 1973-10-31
FR2182214B1 (en) 1977-08-19
CA1011521A (en) 1977-06-07
FI58276B (en) 1980-09-30
ZA722898B (en) 1973-06-27
FR2182214A1 (en) 1973-12-07

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Legal Events

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