AT328723B - Verfahren zur herstellung von hohlkorpern - Google Patents

Verfahren zur herstellung von hohlkorpern

Info

Publication number
AT328723B
AT328723B AT88071*#A AT88071A AT328723B AT 328723 B AT328723 B AT 328723B AT 88071 A AT88071 A AT 88071A AT 328723 B AT328723 B AT 328723B
Authority
AT
Austria
Prior art keywords
hollow bodies
manufacturing hollow
manufacturing
bodies
hollow
Prior art date
Application number
AT88071*#A
Other languages
English (en)
Other versions
ATA88071A (de
Original Assignee
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 filed Critical Johns Manville
Publication of ATA88071A publication Critical patent/ATA88071A/de
Application granted granted Critical
Publication of AT328723B publication Critical patent/AT328723B/de

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)
  • Moulding By Coating Moulds (AREA)
  • Moulds For Moulding Plastics Or The Like (AREA)
AT88071*#A 1970-02-02 1971-02-02 Verfahren zur herstellung von hohlkorpern AT328723B (de)

Applications Claiming Priority (1)

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

Publications (2)

Publication Number Publication Date
ATA88071A ATA88071A (de) 1975-06-15
AT328723B true AT328723B (de) 1976-04-12

Family

ID=21728683

Family Applications (1)

Application Number Title Priority Date Filing Date
AT88071*#A AT328723B (de) 1970-02-02 1971-02-02 Verfahren zur herstellung von hohlkorpern

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
DE2105891C3 (de) 1981-01-29
CH520556A (de) 1972-03-31
BE762102A (fr) 1971-07-27
CA922074A (en) 1973-03-06
FR2079170B1 (de) 1975-01-17
DE2105891A1 (de) 1971-08-12
FR2079170A1 (de) 1971-11-12
GB1340110A (en) 1973-12-12
DE2105891B2 (de) 1980-05-22
ATA88071A (de) 1975-06-15

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee
UEP Publication of translation of european patent specification
REN Ceased due to non-payment of the annual fee