GB2225550B - Method of moulding - Google Patents

Method of moulding

Info

Publication number
GB2225550B
GB2225550B GB8924270A GB8924270A GB2225550B GB 2225550 B GB2225550 B GB 2225550B GB 8924270 A GB8924270 A GB 8924270A GB 8924270 A GB8924270 A GB 8924270A GB 2225550 B GB2225550 B GB 2225550B
Authority
GB
United Kingdom
Prior art keywords
moulding
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 - Fee Related
Application number
GB8924270A
Other versions
GB8924270D0 (en
GB2225550A (en
Inventor
John Petty
Sandy Mcneil
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.)
Elconnex Pty Ltd
Original Assignee
Elconnex 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 Elconnex Pty Ltd filed Critical Elconnex Pty Ltd
Priority to GB8924270A priority Critical patent/GB2225550B/en
Priority claimed from GB8723270A external-priority patent/GB2194609B/en
Publication of GB8924270D0 publication Critical patent/GB8924270D0/en
Publication of GB2225550A publication Critical patent/GB2225550A/en
Application granted granted Critical
Publication of GB2225550B publication Critical patent/GB2225550B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • F16L25/00—Constructive types of pipe joints not provided for in groups F16L13/00 - F16L23/00 ; Details of pipe joints not otherwise provided for, e.g. electrically conducting or insulating means
    • F16L25/0036—Joints for corrugated pipes
    • F16L25/0045—Joints for corrugated pipes of the quick-acting type
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/0033—Moulds or cores; Details thereof or accessories therefor constructed for making articles provided with holes
    • 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
    • B29C33/00—Moulds or cores; Details thereof or accessories therefor
    • B29C33/44—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles
    • B29C33/48—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles with means for collapsing or disassembling
    • 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
    • B29C37/00—Component parts, details, accessories or auxiliary operations, not covered by group B29C33/00 or B29C35/00
    • B29C37/0003—Discharging moulded articles from the mould
    • B29C37/0014—Discharging moulded articles from the mould by flexibly or permanently deforming undercut portions of the 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
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/40—Removing or ejecting moulded articles
    • B29C45/44—Removing or ejecting moulded articles for undercut articles
    • B29C45/4407—Removing or ejecting moulded articles for undercut articles by flexible movement of undercut portions of the articles
    • 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
    • F16L37/00—Couplings of the quick-acting type
    • F16L37/08—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members
    • F16L37/084—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking
    • F16L37/098—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking by means of flexible hooks
    • F16L37/0985—Couplings of the quick-acting type in which the connection between abutting or axially overlapping ends is maintained by locking members combined with automatic locking by means of flexible hooks the flexible hook extending radially inwardly from an outer part and engaging a bead, recess or the like on an inner part

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Quick-Acting Or Multi-Walled Pipe Joints (AREA)
GB8924270A 1986-02-05 1987-02-05 Method of moulding Expired - Fee Related GB2225550B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8924270A GB2225550B (en) 1986-02-05 1987-02-05 Method of moulding

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
AUPH445986 1986-02-05
GB8723270A GB2194609B (en) 1986-02-05 1987-02-05 Corrugated plastic pipe connector
GB8924270A GB2225550B (en) 1986-02-05 1987-02-05 Method of moulding

Publications (3)

Publication Number Publication Date
GB8924270D0 GB8924270D0 (en) 1989-12-13
GB2225550A GB2225550A (en) 1990-06-06
GB2225550B true GB2225550B (en) 1990-09-19

Family

ID=25643050

Family Applications (2)

Application Number Title Priority Date Filing Date
GB8924271A Expired - Lifetime GB2223287B (en) 1986-02-05 1987-02-05 Corrugated plastic pipe connector
GB8924270A Expired - Fee Related GB2225550B (en) 1986-02-05 1987-02-05 Method of moulding

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB8924271A Expired - Lifetime GB2223287B (en) 1986-02-05 1987-02-05 Corrugated plastic pipe connector

Country Status (1)

Country Link
GB (2) GB2223287B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH687253A5 (en) * 1993-03-30 1996-10-31 Createchnic Ag Plastic closure.
DE9305259U1 (en) * 1993-04-06 1993-06-09 Reiku GmbH, 5276 Wiehl Fastening coupling for corrugated pipes
DE9306316U1 (en) * 1993-04-27 1993-06-09 Hella KG Hueck & Co, 4780 Lippstadt Washing device for a lens of a lamp or headlight
EP1151838A3 (en) * 1995-05-24 2002-07-17 Merz & Krell GmbH & Co. Removing of Sleeves for Writing Devices
EP0783950A1 (en) * 1996-01-09 1997-07-16 GB Electrical, Inc. Removal from the mold of injection-molded tie having strong pawl
EP0783953A1 (en) * 1996-01-09 1997-07-16 GB Electrical, Inc. Removal of injection-molded tie from mold by temporarily retaining core between pawl and abutment surface of tie
EP0783952B1 (en) * 1996-01-09 2000-03-15 GB Electrical, Inc. Removal of injection-molded tie from mold by moving core disposed outside of abutment wall of tie
EP1025971B1 (en) * 1999-02-03 2003-07-02 Universal S.p.A. Mould for writing instrument cap and respective cap
GB2373303B (en) * 2001-01-23 2004-07-21 Smiths Group Plc A pipe coupling having inner and outer layers of deformable material
GB0200455D0 (en) * 2002-01-10 2002-02-27 Smiths Group Plc Pipe couplings
GB0202303D0 (en) 2002-02-01 2002-03-20 Smiths Group Plc Pipe couplings

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL175457C (en) * 1978-02-21 1984-11-01 Wavin Bv DRAWN TUBE CONNECTION AND SUITABLE CONNECTION BODY.
NL8004770A (en) * 1980-08-22 1982-03-16 Wavin Bv COUPLING TUBE FOR CONNECTING RUBY TUBES.
CA1243089A (en) * 1984-05-18 1988-10-11 William Nattel Conduit connector

Also Published As

Publication number Publication date
GB8924270D0 (en) 1989-12-13
GB8924271D0 (en) 1989-12-13
GB2223287B (en) 1990-09-19
GB2225550A (en) 1990-06-06
GB2223287A (en) 1990-04-04

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Legal Events

Date Code Title Description
732E Amendments to the register in respect of changes of name or changes affecting rights (sect. 32/1977)
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20060205