CA922074A - Forming complexity configured hollow articles using shrinkable cores - Google Patents

Forming complexity configured hollow articles using shrinkable cores

Info

Publication number
CA922074A
CA922074A CA104157A CA104157A CA922074A CA 922074 A CA922074 A CA 922074A CA 104157 A CA104157 A CA 104157A CA 104157 A CA104157 A CA 104157A CA 922074 A CA922074 A CA 922074A
Authority
CA
Canada
Prior art keywords
hollow articles
configured hollow
forming complexity
shrinkable
cores
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
CA104157A
Other languages
English (en)
Other versions
CA104157S (en
Inventor
Robert T. Hucks, Jr.
Dritschilo Anatoly
P. Kyne William
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
Original Assignee
Johns Manville Corp
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 filed Critical Johns Manville Corp
Application granted granted Critical
Publication of CA922074A publication Critical patent/CA922074A/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)
CA104157A 1970-02-02 1971-02-01 Forming complexity configured hollow articles using shrinkable cores Expired CA922074A (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
CA922074A true CA922074A (en) 1973-03-06

Family

ID=21728683

Family Applications (1)

Application Number Title Priority Date Filing Date
CA104157A Expired CA922074A (en) 1970-02-02 1971-02-01 Forming complexity configured hollow articles using shrinkable cores

Country Status (7)

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

Families Citing this family (5)

* 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.
GB9100869D0 (en) * 1991-01-15 1991-02-27 Parsons Frederick J Wye piece junction for pipelines

Family Cites Families (2)

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

Also Published As

Publication number Publication date
FR2079170A1 (de) 1971-11-12
DE2105891B2 (de) 1980-05-22
DE2105891C3 (de) 1981-01-29
GB1340110A (en) 1973-12-12
CH520556A (de) 1972-03-31
AT328723B (de) 1976-04-12
ATA88071A (de) 1975-06-15
FR2079170B1 (de) 1975-01-17
DE2105891A1 (de) 1971-08-12
BE762102A (fr) 1971-07-27

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