EP0129951B1 - Apparatus for removing liquid during the winding of a filament - Google Patents

Apparatus for removing liquid during the winding of a filament Download PDF

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Publication number
EP0129951B1
EP0129951B1 EP19840301907 EP84301907A EP0129951B1 EP 0129951 B1 EP0129951 B1 EP 0129951B1 EP 19840301907 EP19840301907 EP 19840301907 EP 84301907 A EP84301907 A EP 84301907A EP 0129951 B1 EP0129951 B1 EP 0129951B1
Authority
EP
European Patent Office
Prior art keywords
cylinder
collector
winding
filament
coating medium
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
EP19840301907
Other languages
German (de)
French (fr)
Other versions
EP0129951A2 (en
EP0129951A3 (en
Inventor
Colin David Tarrant
David Thomas Alexander Jack
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.)
Sellafield Ltd
Original Assignee
British Nuclear Fuels PLC
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 British Nuclear Fuels PLC filed Critical British Nuclear Fuels PLC
Publication of EP0129951A2 publication Critical patent/EP0129951A2/en
Publication of EP0129951A3 publication Critical patent/EP0129951A3/en
Application granted granted Critical
Publication of EP0129951B1 publication Critical patent/EP0129951B1/en
Expired legal-status Critical Current

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Classifications

    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06B—TREATING TEXTILE MATERIALS USING LIQUIDS, GASES OR VAPOURS
    • D06B15/00—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours
    • D06B15/08—Removing liquids, gases or vapours from textile materials in association with treatment of the materials by liquids, gases or vapours by scraping

Definitions

  • This invention relates to apparatus for winding a filament treated with liquid coating medium into a cylinder (e.g. US-A-3,629,028).
  • the invention concerns apparatus for removing excess coating medium from the cylinder during a winding operation.
  • a filament or fibre can be impregnated or coated with a medium which when set and cured serves to embed the filament or fibre winding in a solid encasement. It will be appreciated that the removal of excess medium resulting from the winding of impregnated or coated filament or fibre is desirable in providing a body which is regular or symmetrical in shape and quality such that the encasement is of controllable and reproduceable thickness and properties.
  • apparatus for winding a filament treated with liquid coating medium into a cylinder comprises an inclined elongate coating medium collector disposed beneath a path of travel of the filament from a wetting bath to the cylinder, a follower pivotally mounted on the collector and urged continuously into contact with the surface of the cylinder at a position above the centre-line during winding whereby to remove excess coating medium from the surface of the cylinder and to depositthe excess coating medium in the collector for return to the wetting bath.
  • a winding comprises a cylinder 1 formed from a filament or fibre 6 coated or impregnated with an encasing medium which is in liquid form when applied but is subsequently gelled and cured to solidify it and encase thefilament or fibrewinding.
  • a mandrel can be employed during winding and subsequently removed, with or without a solid former or internal liner left in position after winding.
  • One example is of glass fibre winding with epoxy resin as coating medium, with or without a metallic former or liner.
  • the apparatus comprising an elongate length adjustable coating medium collector 2 supported by a stand or bracket 4, length adjustability enabling the collector 2 to accommodate an increase in diameter of the cylinder 1 during winding thereof.
  • the collector 2 has a pulley 7 at one end, to guide the filament or fibre 6 to the cylinder 1.
  • the cylinder 1 is rotated anti-clockwise in this example, as shown by the arrow.
  • the length of the collector 2 can be adjusted manually by means of ratchet 3.
  • the collector 2 is formed with sides and a floor and also with a removable cover 5 having a handle 8. In its operational position the collector is inclined as shown to return coating medium to a wetting bath 13.
  • the filament is passed through the medium in the bath and then along the length of the collector to the pulley 7 and on to the cylinder 1.
  • a follower 9 is carried by a bracket 11 which straddles the collector. The end of the follower bears against the cylinder 1 at a position above the centre-line of the cylinder.
  • the bracket 11 is pivotally mounted on the collector and is counterbalanced by a removable or adjustable weight 12 whereby to selectively adjust the load applied by the follower 9 to the cylinder 1.
  • the follower 9 is channel-section with the floor 10 of the channel uppermost.
  • the follower 9 removes excess coating medium from the surface of the cylinder 1.
  • the excess coating medium as removed drops off the follower into the collector and is returned to the reservoir.

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Moulding By Coating Moulds (AREA)
  • Reinforced Plastic Materials (AREA)

Description

  • This invention relates to apparatus for winding a filament treated with liquid coating medium into a cylinder (e.g. US-A-3,629,028). In particular, the invention concerns apparatus for removing excess coating medium from the cylinder during a winding operation.
  • During winding operations a filament or fibre can be impregnated or coated with a medium which when set and cured serves to embed the filament or fibre winding in a solid encasement. It will be appreciated that the removal of excess medium resulting from the winding of impregnated or coated filament or fibre is desirable in providing a body which is regular or symmetrical in shape and quality such that the encasement is of controllable and reproduceable thickness and properties.
  • According to the invention, apparatus for winding a filament treated with liquid coating medium into a cylinder comprises an inclined elongate coating medium collector disposed beneath a path of travel of the filament from a wetting bath to the cylinder, a follower pivotally mounted on the collector and urged continuously into contact with the surface of the cylinder at a position above the centre-line during winding whereby to remove excess coating medium from the surface of the cylinder and to depositthe excess coating medium in the collector for return to the wetting bath.
  • The invention will be described further, by way of example, with reference to the accompanying drawing which is a side elevation of an apparatus for removing excess coating medium from a winding during formation of the winding.
  • A winding comprises a cylinder 1 formed from a filament or fibre 6 coated or impregnated with an encasing medium which is in liquid form when applied but is subsequently gelled and cured to solidify it and encase thefilament or fibrewinding. A mandrel can be employed during winding and subsequently removed, with or without a solid former or internal liner left in position after winding. One example is of glass fibre winding with epoxy resin as coating medium, with or without a metallic former or liner.
  • The apparatus comprising an elongate length adjustable coating medium collector 2 supported by a stand or bracket 4, length adjustability enabling the collector 2 to accommodate an increase in diameter of the cylinder 1 during winding thereof. The collector 2 has a pulley 7 at one end, to guide the filament or fibre 6 to the cylinder 1. The cylinder 1 is rotated anti-clockwise in this example, as shown by the arrow. The length of the collector 2 can be adjusted manually by means of ratchet 3. The collector 2 is formed with sides and a floor and also with a removable cover 5 having a handle 8. In its operational position the collector is inclined as shown to return coating medium to a wetting bath 13. The filament is passed through the medium in the bath and then along the length of the collector to the pulley 7 and on to the cylinder 1.
  • A follower 9 is carried by a bracket 11 which straddles the collector. The end of the follower bears against the cylinder 1 at a position above the centre-line of the cylinder. The bracket 11 is pivotally mounted on the collector and is counterbalanced by a removable or adjustable weight 12 whereby to selectively adjust the load applied by the follower 9 to the cylinder 1. The follower 9 is channel-section with the floor 10 of the channel uppermost.
  • In use, the follower 9 removes excess coating medium from the surface of the cylinder 1. The excess coating medium as removed drops off the follower into the collector and is returned to the reservoir.

Claims (3)

1. Apparatus for winding a filament treated with liquid coating medium into a cylinder characterised by an inclined elongate coating medium collector (2) disposed beneath a path of travel of the filament (6) from a wetting bath (13) to the cylinder (1), a follower (9) pivotally mounted on the collector (2) and urged continuously into contact with the surface of the cylinder (1) at a position above the centre-line during winding whereby to remove excess coating medium from the surface of the cylinder (1) and to depositthe excess coating medium in the collector (2) for return to the wetting bath (13).
2. Apparatus according to claim 1 in which the length of the collector (2) is adjustable.
3. Apparatus according to claim 1 including selectively adjustable means (12) for urging the follower (9) into contact with the cylinder (1).
EP19840301907 1983-03-29 1984-03-21 Apparatus for removing liquid during the winding of a filament Expired EP0129951B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8308704 1983-03-29
GB838308704A GB8308704D0 (en) 1983-03-29 1983-03-29 Removing excess material from composite body

Publications (3)

Publication Number Publication Date
EP0129951A2 EP0129951A2 (en) 1985-01-02
EP0129951A3 EP0129951A3 (en) 1985-10-09
EP0129951B1 true EP0129951B1 (en) 1987-09-09

Family

ID=10540453

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19840301907 Expired EP0129951B1 (en) 1983-03-29 1984-03-21 Apparatus for removing liquid during the winding of a filament

Country Status (4)

Country Link
EP (1) EP0129951B1 (en)
AU (1) AU561042B2 (en)
DE (1) DE3465967D1 (en)
GB (1) GB8308704D0 (en)

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3629028A (en) * 1969-07-29 1971-12-21 Universal Oil Prod Co Method of making self-lubricating filament wound tube
US4324607A (en) * 1978-05-24 1982-04-13 Bandag Incorporated Hose building machine
US4325766A (en) * 1980-04-02 1982-04-20 Fiber Glass Systems, Inc. Method for the formation of corrosion-resistant bodies and apparatus for forming the same
US4372796A (en) * 1981-08-10 1983-02-08 Raychem Corporation Method and apparatus for wrapping a tape around a pipe
US4437616A (en) * 1981-09-08 1984-03-20 Ameron, Inc. Winding fiber reinforced pipe fittings

Also Published As

Publication number Publication date
DE3465967D1 (en) 1987-10-15
AU2588884A (en) 1984-10-04
AU561042B2 (en) 1987-04-30
EP0129951A2 (en) 1985-01-02
EP0129951A3 (en) 1985-10-09
GB8308704D0 (en) 1983-05-05

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