GB856955A - Improvements relating to machines for extruding tubes - Google Patents
Improvements relating to machines for extruding tubesInfo
- Publication number
- GB856955A GB856955A GB40007/58A GB4000758A GB856955A GB 856955 A GB856955 A GB 856955A GB 40007/58 A GB40007/58 A GB 40007/58A GB 4000758 A GB4000758 A GB 4000758A GB 856955 A GB856955 A GB 856955A
- Authority
- GB
- United Kingdom
- Prior art keywords
- sleeve
- plastic material
- mandrel
- orifice
- passage
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/15—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor incorporating preformed parts or layers, e.g. extrusion moulding around inserts
- B29C48/151—Coating hollow articles
- B29C48/152—Coating hollow articles the inner surfaces thereof
- B29C48/153—Coating both inner and outer surfaces
-
- 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
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion
- B29C48/09—Articles with cross-sections having partially or fully enclosed cavities, e.g. pipes or channels
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
<PICT:0856955/III/1> <PICT:0856955/III/2> An extrusion machine for making a reinforced tube from a sleeve of permeable material embedded in or lined with a plastic material comprises an extrusion head 2 with a passage terminating in an orifice 35, a mandrel 26, in the passage, with openings 40 and terminating in a portion 42 of smaller cross-section, clamping means 6, 7 outside the head 2 for locating the mandrel 26 in position, means 13 for pulling the sleeve T over the mandrel and through the orifice 35 and means for injecting plastic material into the passage so that it passes through the sleeve T and openings 40 to coat the interior of the sleeve T and form a reinforced tube 11. The orifice 35 may be larger than the sleeve T so that the sleeve may be embedded in the plastic material and the tube 11 may, while still plastic, be flattened by rollers 16, 17 to fuse into a solid reinforced strip C. The sleeve T is fed from a spool B and through a drying chamber 10 before entering the head 2. Figs. 3 and 4 (not shown) disclose a similar machine for embedding two concentric sleeves in the plastic material.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR856955X | 1958-01-10 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB856955A true GB856955A (en) | 1960-12-21 |
Family
ID=9329168
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB40007/58A Expired GB856955A (en) | 1958-01-10 | 1958-12-11 | Improvements relating to machines for extruding tubes |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB856955A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2126872A1 (en) * | 1970-06-16 | 1971-12-23 | Schiesser AG, Zürich (Schweiz) | Process for the production of hoses containing reinforcement inserts from plastic masses and an injection head for carrying out the process |
EP0247812A2 (en) * | 1986-05-30 | 1987-12-02 | Angus Fire Armour Limited | Hoses |
-
1958
- 1958-12-11 GB GB40007/58A patent/GB856955A/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2126872A1 (en) * | 1970-06-16 | 1971-12-23 | Schiesser AG, Zürich (Schweiz) | Process for the production of hoses containing reinforcement inserts from plastic masses and an injection head for carrying out the process |
EP0247812A2 (en) * | 1986-05-30 | 1987-12-02 | Angus Fire Armour Limited | Hoses |
EP0247812A3 (en) * | 1986-05-30 | 1990-06-06 | Angus Fire Armour Limited | Hoses |
US5047200A (en) * | 1986-05-30 | 1991-09-10 | Angus Fire Armour Limited | Method of making a fire hose |
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