GB1426572A - Resin-coated tubing and process for the production thereof - Google Patents
Resin-coated tubing and process for the production thereofInfo
- Publication number
- GB1426572A GB1426572A GB833973A GB833973A GB1426572A GB 1426572 A GB1426572 A GB 1426572A GB 833973 A GB833973 A GB 833973A GB 833973 A GB833973 A GB 833973A GB 1426572 A GB1426572 A GB 1426572A
- Authority
- GB
- United Kingdom
- Prior art keywords
- resin
- oil
- tube
- adhesive
- layer
- 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
-
- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G17/00—Cultivation of hops, vines, fruit trees, or like trees
- A01G17/04—Supports for hops, vines, or trees
- A01G17/14—Props; Stays
-
- 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
-
- 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
-
- 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
- B29C48/13—Articles with a cross-section varying in the longitudinal direction, e.g. corrugated pipes
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Botany (AREA)
- Environmental Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Laminated Bodies (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
1426572 Resin coated tubes TAKIRON CO LTD 20 Feb 1973 [20 Feb 1973] 8339/73 Heading B2E [Also in Divisions B5 and F2] A tube is coated with an adhesive layer or layers onto which is applied a coating of a synthetic resin formed with annular projections disposed at intervals therealong, the tube being useful for supporting plants. A steel tube is preferred and formed from a steel band by seam welding before being cleaned and phosphated. In a first embodiment a first adhesive primer layer is then applied which may comprise an acrylic ester/acrylamide/styrene terpolymer mixed with an epoxy resin modified phenolic resin or an oil-modified epoxy resin, the modifying oil being dehydrated castor oil, soyabean oil, tung oil, safflower oil or linseed oil, and then a second adhesive primer layer which may comprise a vinyl chloride/vinyl acetate/maleic anhydride terpolymer with a nitrile-butadiene rubber, chlorinated rubber or rubber hydrochloride. The primer layers are applied as solutions. A top layer of synthetic resin is applied by die extrusion of a melt of the resin, projections being formed by varying the width of the nozzle of an extruder die (see Div. B5) to vary the thickness of the resin applied. The resin may be a vinyl chloride resin. In a second embodiment, the tube and top layer are the same, but a single primer coat is made of a mixture of the resins of first and second adhesive layers.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB833973A GB1426572A (en) | 1973-02-20 | 1973-02-20 | Resin-coated tubing and process for the production thereof |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB833973A GB1426572A (en) | 1973-02-20 | 1973-02-20 | Resin-coated tubing and process for the production thereof |
Publications (1)
Publication Number | Publication Date |
---|---|
GB1426572A true GB1426572A (en) | 1976-03-03 |
Family
ID=9850646
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB833973A Expired GB1426572A (en) | 1973-02-20 | 1973-02-20 | Resin-coated tubing and process for the production thereof |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB1426572A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2399909A1 (en) * | 1977-08-09 | 1979-03-09 | Victroplas Ltd | PROCESS AND APPARATUS FOR MANUFACTURING ELONGATED PLASTIC ELEMENTS AND RELATED ELEMENTS |
EP0011883A1 (en) * | 1978-12-01 | 1980-06-11 | Metallgesellschaft Ag | Method for sheathing cylindrical metallic objects |
EP3061340A1 (en) * | 2015-02-27 | 2016-08-31 | Julien SA | Profiled metal prop for arboricultural tying |
-
1973
- 1973-02-20 GB GB833973A patent/GB1426572A/en not_active Expired
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2399909A1 (en) * | 1977-08-09 | 1979-03-09 | Victroplas Ltd | PROCESS AND APPARATUS FOR MANUFACTURING ELONGATED PLASTIC ELEMENTS AND RELATED ELEMENTS |
EP0011883A1 (en) * | 1978-12-01 | 1980-06-11 | Metallgesellschaft Ag | Method for sheathing cylindrical metallic objects |
EP3061340A1 (en) * | 2015-02-27 | 2016-08-31 | Julien SA | Profiled metal prop for arboricultural tying |
FR3033124A1 (en) * | 2015-02-27 | 2016-09-02 | Julien Sa | PROFILE METAL PIN FOR ARBORNOUS FENCING |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PS | Patent sealed [section 19, patents act 1949] | ||
PE20 | Patent expired after termination of 20 years |
Effective date: 19930219 |