GB1340110A - Method of forming articles having hollow interiors of complex and/or branching configuration - Google Patents

Method of forming articles having hollow interiors of complex and/or branching configuration

Info

Publication number
GB1340110A
GB1340110A GB2122271A GB2122271A GB1340110A GB 1340110 A GB1340110 A GB 1340110A GB 2122271 A GB2122271 A GB 2122271A GB 2122271 A GB2122271 A GB 2122271A GB 1340110 A GB1340110 A GB 1340110A
Authority
GB
United Kingdom
Prior art keywords
coupling
glass
complex
forming articles
hollow interiors
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
GB2122271A
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.)
Johns Manville Corp
Johns Manville
Original Assignee
Johns Manville Corp
Johns Manville
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 Johns Manville Corp, Johns Manville filed Critical Johns Manville Corp
Publication of GB1340110A publication Critical patent/GB1340110A/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
    • B29C61/00—Shaping by liberation of internal stresses; Making preforms having internal stresses; 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
    • 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
    • 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
    • B29C33/50—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 elastic or flexible
    • B29C33/505—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 elastic or flexible cores or mandrels, e.g. inflatable
    • 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
    • F16L41/00—Branching pipes; Joining pipes to walls
    • F16L41/02—Branch units, e.g. made in one piece, welded, riveted
    • F16L41/021—T- or cross-pieces

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
  • Moulding By Coating Moulds (AREA)
GB2122271A 1970-02-02 1971-04-19 Method of forming articles having hollow interiors of complex and/or branching configuration Expired GB1340110A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US789470A 1970-02-02 1970-02-02

Publications (1)

Publication Number Publication Date
GB1340110A true GB1340110A (en) 1973-12-12

Family

ID=21728683

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2122271A Expired GB1340110A (en) 1970-02-02 1971-04-19 Method of forming articles having hollow interiors of complex and/or branching configuration

Country Status (7)

Country Link
AT (1) AT328723B (fr)
BE (1) BE762102A (fr)
CA (1) CA922074A (fr)
CH (1) CH520556A (fr)
DE (1) DE2105891C3 (fr)
FR (1) FR2079170B1 (fr)
GB (1) GB1340110A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2251906A (en) * 1991-01-15 1992-07-22 Frederick John Parsons Wye piece junction for flowlines

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2334645C3 (de) * 1973-07-07 1983-04-07 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8000 München Verfahren zur Herstellung eines Trägers aus Faserverbundprofil
DE3428282C1 (de) * 1984-08-01 1986-01-16 Deutsche Forschungs- und Versuchsanstalt für Luft- und Raumfahrt e.V., 5300 Bonn Entfernbarer Kern zur Herstellung rohrfoermiger Strukturen aus Faserverbundwerkstoffen
GB2237282A (en) * 1989-10-25 1991-05-01 Dow Corning Sa Moulding elastomers using heat-destructible polystyrene core
FR2657043B1 (fr) * 1990-01-17 1994-04-29 Ateca Rdm Spherules creuses en materiaux synthetiques, procede pour leur fabrication, et application.

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL79177C (fr) * 1900-01-01
GB1222041A (en) * 1968-03-19 1971-02-10 Johns Manville Improvements relating to pipe fittings

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2251906A (en) * 1991-01-15 1992-07-22 Frederick John Parsons Wye piece junction for flowlines
GB2251906B (en) * 1991-01-15 1994-05-11 Frederick John Parsons Wye piece junction for pipelines

Also Published As

Publication number Publication date
CA922074A (en) 1973-03-06
FR2079170A1 (fr) 1971-11-12
BE762102A (fr) 1971-07-27
ATA88071A (de) 1975-06-15
CH520556A (de) 1972-03-31
DE2105891C3 (de) 1981-01-29
FR2079170B1 (fr) 1975-01-17
AT328723B (de) 1976-04-12
DE2105891B2 (de) 1980-05-22
DE2105891A1 (de) 1971-08-12

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Legal Events

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