IPC분류정보
국가/구분 |
United States(US) Patent
등록
|
국제특허분류(IPC7판) |
|
출원번호 |
US-0946656
(2010-11-15)
|
등록번호 |
US-8534768
(2013-09-17)
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발명자
/ 주소 |
- Chee, Foong Weng
- Houghton, Dolores
- Hooper, Michael
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출원인 / 주소 |
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대리인 / 주소 |
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인용정보 |
피인용 횟수 :
0 인용 특허 :
41 |
초록
▼
A brush useful in pipeline pigs, for example, in magnetic flux leakage tools or cleaning tools, a method of making the brush and pipeline pig comprising the brush. The brush has a metal bristle holder and a plurality of bristles, the ends of which are held in the bristle holder by glue, swaging or a
A brush useful in pipeline pigs, for example, in magnetic flux leakage tools or cleaning tools, a method of making the brush and pipeline pig comprising the brush. The brush has a metal bristle holder and a plurality of bristles, the ends of which are held in the bristle holder by glue, swaging or a combination of glue and swaging. The glue may be an anaerobic glue. The brush and method of making avoid the use of heat to secure the bristles to the bristle holder, avoid the use of solder or weld metal, and are less labor intensive than soldering or welding.
대표청구항
▼
1. A method of making a pipeline pig brush comprising inserting at least one bundle of unattached bristles into a retention cavity defined by walls of a bristle holder, and in no particular order(i) gluing the bundle of bristles in the retention cavity, and(ii) securing the bundle of bristles to the
1. A method of making a pipeline pig brush comprising inserting at least one bundle of unattached bristles into a retention cavity defined by walls of a bristle holder, and in no particular order(i) gluing the bundle of bristles in the retention cavity, and(ii) securing the bundle of bristles to the bristle holder by swaging,wherein the swaging is performed by loading the bristle holder in a swaging press and using the swaging press to deform the walls of the bristle holder against the bundle of bristles. 2. The method of claim 1, wherein the bristle holder is a tube that comprises one retention cavity. 3. The method of claim 1, wherein the bristle holder is a metal structure comprising more than one retention cavity, and wherein the bundle of bristles within each said retention cavity is secured to the metal structure with glue after the bundle of bristles is secured to the bristle holder by swaging. 4. The method of claim 1, wherein the bristle holder is a tube and swaging compresses the tube's walls about the bundle of bristles. 5. The method of claim 1 wherein the swaging press applies a compressive force to the bristle holder radially inwards. 6. A method of making a pipeline pig brush assembly comprising: (a) providing at least one brush including a tubular, metal bristle holder including a bore that defines a retention cavity, and a bristle bundle comprising bristles unattached to one another within the retention cavity secured to the bristle holder by swaging to deform walls of the bristle holder against the bundle of bristles, said brush comprising a bound surface and a brush surface,(b) providing a larger metal object that has a top surface and a bottom surface and at least one hole extending into the larger metal object from the top surface,(c) securing the at least one brush in the at least one hole such that the brush surface extends past the top surface of the larger metal object and at least a portion of the walls of the bristle bundles that have been deformed by swaging being inserted in the at least one hole. 7. The method of claim 6, wherein after the brush is secured in the hole, the bound surface of the bristle bundle extends past the bottom surface of the larger metal object. 8. The method of claim 7 further comprising the step of forming a contact surface that is flush with the bottom surface of the larger metal object. 9. The method of claim 6, wherein the at least one hole comprises a positioning element for positioning the brush in the hole. 10. The method of claim 6, wherein the bristle bundle is further secured within the retention cavity by gluing. 11. The method of claim 6, wherein securing includes installing the bristle holder of the at least one brush into the at least one hole by an interference fit or a transition fit between the bristle holder and the at least one hole. 12. The method of claim 6, wherein securing includes installing the bristle holder of the at least one brush into the hole by gluing. 13. The method of claim 6, wherein after the brush is secured in the hole, a portion of the at least one brush extends beyond the bottom surface of the larger metal object. 14. The method of claim 6 further comprising forming a portion of the at least one brush to create a contact surface that is substantially flush with the bottom surface of the larger metal object. 15. A method of making a pipeline pig brush comprising: (a) providing at least one bundle of unattached bristles,(b) inserting the bundle of bristles into a retention cavity defined by walls of a bristle holder,(c) securing the bundle of bristles to the bristle holder by swaging, wherein the swaging is performed by loading the bristle holder in a swaging press and using the swaging press to deform the walls of the bristle holder against the bundle of bristles, and(d) after securing the bundle of bristles to the bristle holder by swaging, gluing the bundle of bristles within the retention cavity. 16. The method of claim 15, wherein the bristle holder is a tube that comprises one retention cavity. 17. The method of claim 15, wherein the bristle holder is a metal structure comprising more than one retention cavity. 18. The method of claim 15, wherein the bristle holder is a tube and swaging compresses the tube's walls about the bundle of bristles. 19. The method of claim 15, wherein the swaging press applies a compressive force to the bristle holder radially inwards.
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