SE7809371L - EXPANDABLE DORN FOR USE IN CONSTRUCTION OF PIPES - Google Patents
EXPANDABLE DORN FOR USE IN CONSTRUCTION OF PIPESInfo
- Publication number
- SE7809371L SE7809371L SE7809371A SE7809371A SE7809371L SE 7809371 L SE7809371 L SE 7809371L SE 7809371 A SE7809371 A SE 7809371A SE 7809371 A SE7809371 A SE 7809371A SE 7809371 L SE7809371 L SE 7809371L
- Authority
- SE
- Sweden
- Prior art keywords
- dorn
- expandable
- pipes
- construction
- expandable dorn
- Prior art date
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D23/00—Producing tubular articles
- B29D23/001—Pipes; Pipe joints
-
- 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
- B29C53/80—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
-
- 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
- B29L2023/22—Tubes or pipes, i.e. rigid
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Moulding By Coating Moulds (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Priority Applications (8)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7809371A SE413477B (en) | 1978-09-06 | 1978-09-06 | EXPANDABLE DORN FOR USE IN BUILDING OF Pipes |
DE19792934360 DE2934360A1 (en) | 1978-09-06 | 1979-08-24 | EXPANDABLE THORN FOR THE PRODUCTION OF TUBES |
DK361479A DK361479A (en) | 1978-09-06 | 1979-08-29 | EXPANDABLE DORN TO USE IN BUILDING BEETS |
NL7906548A NL7906548A (en) | 1978-09-06 | 1979-08-31 | EXPANDABLE NUCLEAR TUBE, INTENDED FOR USE IN THE CONSTRUCTION OF PIPES. |
GB7930467A GB2031330B (en) | 1978-09-06 | 1979-09-03 | Moulding pipes |
JP11403779A JPS5546936A (en) | 1978-09-06 | 1979-09-05 | Mandrel that can be expanded |
FI792756A FI792756A (en) | 1978-09-06 | 1979-09-05 | EXPANDERBAR DORN FOER ANVAENDNING VID UPPBYGGNAD AV ROER |
NO792871A NO792871L (en) | 1978-09-06 | 1979-09-05 | EXPANDABLE DOOR FOR USE IN BUILDING OF BEETS |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7809371A SE413477B (en) | 1978-09-06 | 1978-09-06 | EXPANDABLE DORN FOR USE IN BUILDING OF Pipes |
Publications (2)
Publication Number | Publication Date |
---|---|
SE7809371L true SE7809371L (en) | 1980-03-07 |
SE413477B SE413477B (en) | 1980-06-02 |
Family
ID=20335743
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7809371A SE413477B (en) | 1978-09-06 | 1978-09-06 | EXPANDABLE DORN FOR USE IN BUILDING OF Pipes |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS5546936A (en) |
DE (1) | DE2934360A1 (en) |
DK (1) | DK361479A (en) |
FI (1) | FI792756A (en) |
GB (1) | GB2031330B (en) |
NL (1) | NL7906548A (en) |
NO (1) | NO792871L (en) |
SE (1) | SE413477B (en) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE429626B (en) * | 1982-01-20 | 1983-09-19 | Tetra Pak Dev | SET FOR MEDIUM CRIMPING FORMING PACKAGING CONTAINERS ALSO DEVELOPING SET |
JPS6012187A (en) * | 1983-07-02 | 1985-01-22 | 株式会社デンソー | Washing method and device |
JPS60137481A (en) * | 1983-12-25 | 1985-07-22 | 株式会社デンソー | Washing method and device |
JPS60137523U (en) * | 1984-02-24 | 1985-09-12 | 株式会社クボタ | Core metal device for resin pipe manufacturing |
JPS60137524U (en) * | 1984-02-24 | 1985-09-12 | 株式会社クボタ | Core metal device for resin pipe manufacturing |
FR2568356B1 (en) * | 1984-07-24 | 1986-12-26 | Raffinage Cie Francaise | METHOD FOR MANUFACTURING A WATER HEATER AND A WATER HEATER THUS OBTAINED |
JPS62235028A (en) * | 1986-03-26 | 1987-10-15 | サッポロビール株式会社 | Continuous ozone sterilizer for band-shaped packaging material |
GB0811967D0 (en) * | 2008-06-30 | 2008-07-30 | Bhp Billiton Petroleum Pty Ltd | Improvements relating to hose |
EP2368685B1 (en) * | 2010-03-25 | 2014-10-29 | Siemens Aktiengesellschaft | Inflatable mandrel and method of fabrication of a fibre-reinforcing composite part using such a mandrel |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3988103A (en) * | 1975-03-24 | 1976-10-26 | Tre Corporation | Collapsible mandrel for making fiber tubes |
US4087502A (en) * | 1976-03-24 | 1978-05-02 | Tre Corporation | Method of making a collapsible foam mandrel |
-
1978
- 1978-09-06 SE SE7809371A patent/SE413477B/en unknown
-
1979
- 1979-08-24 DE DE19792934360 patent/DE2934360A1/en not_active Ceased
- 1979-08-29 DK DK361479A patent/DK361479A/en not_active Application Discontinuation
- 1979-08-31 NL NL7906548A patent/NL7906548A/en not_active Application Discontinuation
- 1979-09-03 GB GB7930467A patent/GB2031330B/en not_active Expired
- 1979-09-05 FI FI792756A patent/FI792756A/en not_active Application Discontinuation
- 1979-09-05 NO NO792871A patent/NO792871L/en unknown
- 1979-09-05 JP JP11403779A patent/JPS5546936A/en active Pending
Also Published As
Publication number | Publication date |
---|---|
NL7906548A (en) | 1980-03-10 |
SE413477B (en) | 1980-06-02 |
JPS5546936A (en) | 1980-04-02 |
NO792871L (en) | 1980-03-07 |
DE2934360A1 (en) | 1980-03-27 |
FI792756A (en) | 1980-03-07 |
DK361479A (en) | 1980-03-07 |
GB2031330B (en) | 1982-09-15 |
GB2031330A (en) | 1980-04-23 |
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