CH520556A - Process for forming objects from malleable plastic materials - Google Patents

Process for forming objects from malleable plastic materials

Info

Publication number
CH520556A
CH520556A CH149571A CH149571A CH520556A CH 520556 A CH520556 A CH 520556A CH 149571 A CH149571 A CH 149571A CH 149571 A CH149571 A CH 149571A CH 520556 A CH520556 A CH 520556A
Authority
CH
Switzerland
Prior art keywords
plastic materials
forming objects
malleable plastic
malleable
objects
Prior art date
Application number
CH149571A
Other languages
German (de)
Inventor
Tyler Jr Hucks Robert
Paul Kyne William
Dritschilo Anatoly
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 CH520556A publication Critical patent/CH520556A/en

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)
CH149571A 1970-02-02 1971-02-02 Process for forming objects from malleable plastic materials CH520556A (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
CH520556A true CH520556A (en) 1972-03-31

Family

ID=21728683

Family Applications (1)

Application Number Title Priority Date Filing Date
CH149571A CH520556A (en) 1970-02-02 1971-02-02 Process for forming objects from malleable plastic materials

Country Status (7)

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

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2334645C3 (en) * 1973-07-07 1983-04-07 M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 8000 München Process for the production of a beam from a fiber composite profile
DE3428282C1 (en) * 1984-08-01 1986-01-16 Deutsche Forschungs- und Versuchsanstalt für Luft- und Raumfahrt e.V., 5300 Bonn Removable core for the production of tubular structures made of fiber composite materials
GB2237282A (en) * 1989-10-25 1991-05-01 Dow Corning Sa Moulding elastomers using heat-destructible polystyrene core
FR2657043B1 (en) * 1990-01-17 1994-04-29 Ateca Rdm HOLLOW SPHERULES OF SYNTHETIC MATERIALS, PROCESS FOR THEIR MANUFACTURE, AND 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 (en) * 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
DE2105891B2 (en) 1980-05-22
GB1340110A (en) 1973-12-12
DE2105891C3 (en) 1981-01-29
CA922074A (en) 1973-03-06
DE2105891A1 (en) 1971-08-12
ATA88071A (en) 1975-06-15
BE762102A (en) 1971-07-27
FR2079170B1 (en) 1975-01-17
FR2079170A1 (en) 1971-11-12
AT328723B (en) 1976-04-12

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Legal Events

Date Code Title Description
PL Patent ceased