GB1398319A - Driven mandrel for continuous production of tubing - Google Patents
Driven mandrel for continuous production of tubingInfo
- Publication number
- GB1398319A GB1398319A GB4926872A GB4926872A GB1398319A GB 1398319 A GB1398319 A GB 1398319A GB 4926872 A GB4926872 A GB 4926872A GB 4926872 A GB4926872 A GB 4926872A GB 1398319 A GB1398319 A GB 1398319A
- Authority
- GB
- United Kingdom
- Prior art keywords
- strip
- mandrel
- supports
- rollers
- tubing
- Prior art date
- 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
-
- 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
- B29C53/74—Winding and joining, e.g. winding spirally helically using a forming surface inthe shape of an endless belt which is recycled after the forming operation
-
- 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
- B29C33/76—Cores
-
- 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
- B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
- B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
- B29C35/08—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation
- B29C35/0805—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould by wave energy or particle radiation using electromagnetic radiation
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Shaping Of Tube Ends By Bending Or Straightening (AREA)
- Moulding By Coating Moulds (AREA)
Abstract
1398319 Spiral mandrel OWENS-CORNING FIBERGLAS CORP 25 Oct 1972 [2 Nov 1971 13 July 1972] 49268/72 Heading B5A [Also in Divisions B8 and F2] Continuous tubing for pipes and tank shells may be formed on site by spraying, extruding, hand-laying or winding fibres and liquid resin upon a mandrel comprising a plurality of cylindrically arranged supports 10, 33, 34 and an endless strip 30 which is wound helically therearound to provide the forming surface and which is supported for movement longitudinally thereof to conrinuously feed the tubing off the mandrel. After finishing its working run at the support 34, the strip 30 travels along a downward helical path interiorly of the supports 10 to recommence its working run at the support 33. The strip 30 may be driven and supported axially of the mandrel by rollers 12 provided with grooves 40 or flanges (41, 42, Figs. 5, 7) for accommodating a strengthening flange 37 or rib (38, Fig. 6) on the strip The rollers 12 may be driven by a roller chain 23 passing around sprockets 20, 21 on each support and a radially adjustable tightening wheel (25, Fig. 4) mounted upon the shaft of variable drive hydraulic motor (26). The strip 30 is guided on its downward return run by rollers 36 adjustably mounted on struts 16 of the supports. The latter may be supported upon radial beams 18 having screws, slides or spaced holes for providing continuous or incremental radial adjustment of the supports. The beams 18 may be pivoted to (or detachably mounted upon a ring (19) to facilitate transportation of the mandrel. The supports 10, 33, 34 may be mounted on a stationary base or on a base rotating counter-clockwise to the strip 30. The mandrel may operate vertically or horizontally and may be provided with external or internal heaters (50, Fig. 3). The strip 30 may be of steel, may be corrugated (34, Fig. 7), may be strengthened by a longitudinal fold or by profile changes across its width and may have a tapered edge (48, Fig. 5).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DK534471 | 1971-11-02 | ||
| US271309A US3861984A (en) | 1971-11-02 | 1972-07-13 | Mandrel for the production of reinforced plastic tubing |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB1398319A true GB1398319A (en) | 1975-06-18 |
Family
ID=26067824
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB4926872A Expired GB1398319A (en) | 1971-11-02 | 1972-10-25 | Driven mandrel for continuous production of tubing |
Country Status (2)
| Country | Link |
|---|---|
| CA (1) | CA986081A (en) |
| GB (1) | GB1398319A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3608076A1 (en) * | 2018-08-09 | 2020-02-12 | VENTAFLEX GmbH & Co. KG | Method for producing multi-material multi-layer pipes |
| CN112476881A (en) * | 2020-09-30 | 2021-03-12 | 成都飞机工业（集团）有限责任公司 | Retractable combined material barrel lays frock |
-
1972
- 1972-10-25 GB GB4926872A patent/GB1398319A/en not_active Expired
- 1972-11-02 CA CA155,412A patent/CA986081A/en not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3608076A1 (en) * | 2018-08-09 | 2020-02-12 | VENTAFLEX GmbH & Co. KG | Method for producing multi-material multi-layer pipes |
| CN112476881A (en) * | 2020-09-30 | 2021-03-12 | 成都飞机工业（集团）有限责任公司 | Retractable combined material barrel lays frock |
| CN112476881B (en) * | 2020-09-30 | 2022-06-14 | 成都飞机工业（集团）有限责任公司 | Retractable combined material barrel lays frock |
Also Published As
| Publication number | Publication date |
|---|---|
| CA986081A (en) | 1976-03-23 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PS | Patent sealed | ||
| PCNP | Patent ceased through non-payment of renewal fee |