NO792871L - Ekspanderbar dor for anvendelse ved oppbygning av roer - Google Patents
Ekspanderbar dor for anvendelse ved oppbygning av roerInfo
- Publication number
- NO792871L NO792871L NO792871A NO792871A NO792871L NO 792871 L NO792871 L NO 792871L NO 792871 A NO792871 A NO 792871A NO 792871 A NO792871 A NO 792871A NO 792871 L NO792871 L NO 792871L
- Authority
- NO
- Norway
- Prior art keywords
- mandrel
- sleeve
- pipe
- pipe sleeve
- plastic
- Prior art date
Links
- 239000004033 plastic Substances 0.000 claims description 29
- 238000010276 construction Methods 0.000 claims description 7
- 238000004519 manufacturing process Methods 0.000 claims description 5
- 230000008602 contraction Effects 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 2
- 239000002990 reinforced plastic Substances 0.000 description 3
- 229920001187 thermosetting polymer Polymers 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000010426 asphalt Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7809371A SE413477B (sv) | 1978-09-06 | 1978-09-06 | Expanderbar dorn for anvendning vid uppbyggnad av ror |
Publications (1)
Publication Number | Publication Date |
---|---|
NO792871L true NO792871L (no) | 1980-03-07 |
Family
ID=20335743
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO792871A NO792871L (no) | 1978-09-06 | 1979-09-05 | Ekspanderbar dor for anvendelse ved oppbygning av roer |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS5546936A (de) |
DE (1) | DE2934360A1 (de) |
DK (1) | DK361479A (de) |
FI (1) | FI792756A (de) |
GB (1) | GB2031330B (de) |
NL (1) | NL7906548A (de) |
NO (1) | NO792871L (de) |
SE (1) | SE413477B (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE429626B (sv) * | 1982-01-20 | 1983-09-19 | Tetra Pak Dev | Sett att medelst krympformning framstella forpackningsbehallare jemte anordning for settets utforande |
JPS6012187A (ja) * | 1983-07-02 | 1985-01-22 | 株式会社デンソー | 洗浄方法及び装置 |
JPS60137481A (ja) * | 1983-12-25 | 1985-07-22 | 株式会社デンソー | 洗浄方法及び装置 |
JPS60137524U (ja) * | 1984-02-24 | 1985-09-12 | 株式会社クボタ | 樹脂管製造用芯金装置 |
JPS60137523U (ja) * | 1984-02-24 | 1985-09-12 | 株式会社クボタ | 樹脂管製造用芯金装置 |
FR2568356B1 (fr) * | 1984-07-24 | 1986-12-26 | Raffinage Cie Francaise | Procede de fabrication d'un chauffe-eau et chauffe-eau ainsi obtenu |
JPS62235028A (ja) * | 1986-03-26 | 1987-10-15 | サッポロビール株式会社 | 帯状包装資材の連続オゾン殺菌装置 |
GB0811967D0 (en) * | 2008-06-30 | 2008-07-30 | Bhp Billiton Petroleum Pty Ltd | Improvements relating to hose |
EP2368685B1 (de) * | 2010-03-25 | 2014-10-29 | Siemens Aktiengesellschaft | Aufblasbarer Dorn und Verfahren zur Herstellung eines Verbundkunststoffes mittels eines solchen Dornes |
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/sv unknown
-
1979
- 1979-08-24 DE DE19792934360 patent/DE2934360A1/de not_active Ceased
- 1979-08-29 DK DK361479A patent/DK361479A/da not_active Application Discontinuation
- 1979-08-31 NL NL7906548A patent/NL7906548A/nl not_active Application Discontinuation
- 1979-09-03 GB GB7930467A patent/GB2031330B/en not_active Expired
- 1979-09-05 NO NO792871A patent/NO792871L/no unknown
- 1979-09-05 FI FI792756A patent/FI792756A/fi not_active Application Discontinuation
- 1979-09-05 JP JP11403779A patent/JPS5546936A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
DK361479A (da) | 1980-03-07 |
NL7906548A (nl) | 1980-03-10 |
DE2934360A1 (de) | 1980-03-27 |
JPS5546936A (en) | 1980-04-02 |
SE7809371L (sv) | 1980-03-07 |
FI792756A (fi) | 1980-03-07 |
SE413477B (sv) | 1980-06-02 |
GB2031330A (en) | 1980-04-23 |
GB2031330B (en) | 1982-09-15 |
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