AT328723B - Verfahren zur herstellung von hohlkorpern - Google Patents
Verfahren zur herstellung von hohlkorpernInfo
- 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
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)
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)
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)
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 |
-
1971
- 1971-01-27 BE BE762102A patent/BE762102A/xx unknown
- 1971-02-01 FR FR7103241A patent/FR2079170B1/fr not_active Expired
- 1971-02-01 CA CA104157A patent/CA922074A/en not_active Expired
- 1971-02-02 AT AT88071*#A patent/AT328723B/de not_active IP Right Cessation
- 1971-02-02 DE DE2105891A patent/DE2105891C3/de not_active Expired
- 1971-02-02 CH CH149571A patent/CH520556A/de not_active IP Right Cessation
- 1971-04-19 GB GB2122271A patent/GB1340110A/en not_active Expired
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 |