FR2177518B1 - - Google Patents
Info
- Publication number
- FR2177518B1 FR2177518B1 FR7210846A FR7210846A FR2177518B1 FR 2177518 B1 FR2177518 B1 FR 2177518B1 FR 7210846 A FR7210846 A FR 7210846A FR 7210846 A FR7210846 A FR 7210846A FR 2177518 B1 FR2177518 B1 FR 2177518B1
- Authority
- FR
- France
- 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
Links
Classifications
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- 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
- B29C33/485—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 cores or mandrels
-
- 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
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/56—Winding and joining, e.g. winding spirally
- B29C53/58—Winding and joining, e.g. winding spirally helically
- B29C53/60—Winding and joining, e.g. winding spirally helically using internal forming surfaces, e.g. mandrels
- B29C53/602—Winding and joining, e.g. winding spirally helically using internal forming surfaces, e.g. mandrels for tubular articles having closed or nearly closed ends, e.g. vessels, tanks, containers
- B29C53/605—Winding and joining, e.g. winding spirally helically using internal forming surfaces, e.g. mandrels for tubular articles having closed or nearly closed ends, e.g. vessels, tanks, containers by polar winding
-
- 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
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/80—Component parts, details or accessories; Auxiliary operations
- B29C53/8008—Component parts, details or accessories; Auxiliary operations specially adapted for winding and joining
- B29C53/8091—Cutting the ends, surface finishing
-
- 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
- B29C53/00—Shaping by bending, folding, twisting, straightening or flattening; Apparatus therefor
- B29C53/80—Component parts, details or accessories; Auxiliary operations
- B29C53/82—Cores or mandrels
- B29C53/821—Mandrels especially adapted for winding and joining
- B29C53/824—Mandrels especially adapted for winding and joining collapsible, e.g. elastic or inflatable; with removable parts, e.g. for regular shaped, straight tubular articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2023/00—Tubular articles
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulding By Coating Moulds (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7210846A FR2177518A1 (en) | 1972-03-28 | 1972-03-28 | Mandrel for grp tubing - allowing mfr and release of long pipe sections |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7210846A FR2177518A1 (en) | 1972-03-28 | 1972-03-28 | Mandrel for grp tubing - allowing mfr and release of long pipe sections |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2177518A1 FR2177518A1 (en) | 1973-11-09 |
FR2177518B1 true FR2177518B1 (US20020095090A1-20020718-M00002.png) | 1974-08-02 |
Family
ID=9095929
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7210846A Granted FR2177518A1 (en) | 1972-03-28 | 1972-03-28 | Mandrel for grp tubing - allowing mfr and release of long pipe sections |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2177518A1 (US20020095090A1-20020718-M00002.png) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2652862C2 (de) * | 1976-11-20 | 1979-01-04 | Basf Ag, 6700 Ludwigshafen | Formkern zum Herstellen von aus faserverstärktem Kunstharz bestehenden Hohlkörpern |
US4152183A (en) * | 1977-01-14 | 1979-05-01 | Dart Industries, Inc. | Method for producing hollow cylindrical structures |
GB2138349B (en) * | 1983-04-22 | 1987-06-03 | Metal Box Plc | Dimensionally stable thermoplastic tubular articles |
FR2595613A1 (fr) * | 1986-01-30 | 1987-09-18 | Bruss Polt I | Dispositif de moulage et de vulcanisation de pieces en polymeres en particulier pour la fabrication de courroies dentees |
CH672611A5 (US20020095090A1-20020718-M00002.png) * | 1987-04-30 | 1989-12-15 | Fischer Ag Georg | |
WO2005070668A1 (en) * | 2004-01-23 | 2005-08-04 | Covess Nv | Hollow composite body of fiber reinforced thermoplastic material |
JP5666551B2 (ja) * | 2009-03-18 | 2015-02-12 | トレルボルグ・インダストリー・エスエーエスTrelleborg Industrie SAS | 低温流体の搬送の為の複合ホース |
US11400624B2 (en) | 2018-09-24 | 2022-08-02 | Raytheon Technologies Corporation | Constant cross section mandrel for CMC components |
-
1972
- 1972-03-28 FR FR7210846A patent/FR2177518A1/fr active Granted
Also Published As
Publication number | Publication date |
---|---|
FR2177518A1 (en) | 1973-11-09 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
TP | Transmission of property | ||
ST | Notification of lapse |