GB772059A - Method of and means for covering tubes with plastic - Google Patents

Method of and means for covering tubes with plastic

Info

Publication number
GB772059A
GB772059A GB2611454A GB2611454A GB772059A GB 772059 A GB772059 A GB 772059A GB 2611454 A GB2611454 A GB 2611454A GB 2611454 A GB2611454 A GB 2611454A GB 772059 A GB772059 A GB 772059A
Authority
GB
United Kingdom
Prior art keywords
tubing
tube
air
plug
supply
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
Application number
GB2611454A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LESLIE ARTHUR BURN
Original Assignee
LESLIE ARTHUR BURN
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by LESLIE ARTHUR BURN filed Critical LESLIE ARTHUR BURN
Priority to GB2611454A priority Critical patent/GB772059A/en
Publication of GB772059A publication Critical patent/GB772059A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B15/00—Layered products comprising a layer of metal
    • B32B15/04—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material
    • B32B15/08—Layered products comprising a layer of metal comprising metal as the main or only constituent of a layer, which is next to another layer of the same or of a different material of synthetic resin
    • 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
    • B29C67/00—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00
    • B29C67/0014—Shaping techniques not covered by groups B29C39/00 - B29C65/00, B29C70/00 or B29C73/00 for shaping tubes or blown tubular films

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Air-Flow Control Members (AREA)
  • Unwinding Of Filamentary Materials (AREA)
  • Massaging Devices (AREA)

Abstract

772,059. Covering tubes with resilient tubing. BURN, L. A. Sept. 6, 1955 [Sept. 9, 1954], No. 26114/54. Class 108(3). A method of covering a metal tube 18 with polyvinyl chloride tubing 17, comprises inserting a tapered plug 19 into one end of the tube 18, applying one end of the tubing 17 to the plug 19, supplying compressed air to the other end of the tubing 17, sliding the first end of the tubing 17 axially over the tube 18 while controlling the escape of air from the first end of the tubing 17, and finally cutting off the air supply. In the construction shown, the tubing 17 is continuous with a supply reel 21, the air being supplied by a pipe 22 via the bearing of the reel 21. The other end of the pipe 22 is connected to an air supply line 22a via a foot-operated valve 23 which also controls the supply of air to a device 24. The latter comprises a piston, Fig. 4 (not shown) which is adapted to close the tube 17 after the required length has been fed onto the tube 18, and has been cut-off from the main supply of tubing 17. This is to prevent air escaping from the severed end of the tubing 17. The plug 19 may comprise a cutter, Fig. 3 (not shown) for severing the tube 17. Control of the escape of air from the open end of the tubing 17 may be controlled manually, but as shown in Fig. 5, the end of the tube 17 is secured by a clamp 34 to a block 32 slidable on the tube 18. Escape of air between the tubing 17 and the tube 18 is controlled by pressure applied to a rubber annulus 36 by an adjustable screwed collar 35. As shown in Fig. 2, the tube 18 is supported by a plug 11 which may have a spigot portion, Fig. 6 (not shown), the diameter of which is equal to the diameter of the tube 18. This permits the block 32 to be drawn over the whole length of the tube 18. An adjustable limit stop is provided. As applied to the covering of conduits connected by elbows or junction boxes, the latter may be sprayed with the polyvinyl chloride to provide a continuous coating. Tubular furniture or conduit may be covered by a series of lengths of tubing of different colour, bonded together at their joints. The air pressure used may vary between 50 and 200 lbs. /sq. inch.
GB2611454A 1954-09-09 1954-09-09 Method of and means for covering tubes with plastic Expired GB772059A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2611454A GB772059A (en) 1954-09-09 1954-09-09 Method of and means for covering tubes with plastic

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2611454A GB772059A (en) 1954-09-09 1954-09-09 Method of and means for covering tubes with plastic

Publications (1)

Publication Number Publication Date
GB772059A true GB772059A (en) 1957-04-10

Family

ID=10238594

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2611454A Expired GB772059A (en) 1954-09-09 1954-09-09 Method of and means for covering tubes with plastic

Country Status (1)

Country Link
GB (1) GB772059A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2155142A (en) * 1984-02-24 1985-09-18 Pirelli General Plc Applying an elastic sleeve over an elongate body
US4573251A (en) * 1984-02-24 1986-03-04 Pirelli General Plc Applying an elastic sleeve over an elongate body

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2155142A (en) * 1984-02-24 1985-09-18 Pirelli General Plc Applying an elastic sleeve over an elongate body
US4573251A (en) * 1984-02-24 1986-03-04 Pirelli General Plc Applying an elastic sleeve over an elongate body

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