Multiple tape application method and apparatus
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B29C-065/50
B29C-065/56
B32B-037/22
B44C-001/24
B65C-009/30
B29C-065/80
B32B-037/26
B44C-001/17
B65C-009/20
출원번호
UP-0110437
(2005-04-20)
등록번호
US-7640962
(2010-02-11)
발명자
/ 주소
Meyer, Thomas C.
Parrish, Tim
Fritz, Jeff W.
출원인 / 주소
Curt G. Joa, Inc.
대리인 / 주소
Ryan Kromholz & Manion S.C.
인용정보
피인용 횟수 :
32인용 특허 :
242
초록▼
A method and apparatus for applying tape tabs to a traveling web of material, for example, placement of tape tabs on a running web of disposable undergarments. A pair of wheels each has a protuberance come in contact with the running web of material, which comes in contact with an infeeding tape web
A method and apparatus for applying tape tabs to a traveling web of material, for example, placement of tape tabs on a running web of disposable undergarments. A pair of wheels each has a protuberance come in contact with the running web of material, which comes in contact with an infeeding tape web. The invention allows placement of tape tabs at asymmetrical spacings, where placement of the tape from contact of the first wheel and protuberance may not be equally or centrally spaced from placement of the tape by the second wheel and protuberance.
대표청구항▼
We claim: 1. An apparatus for applying tape segments onto a moving web, the apparatus comprising: a first protrusion in intermittent contact with a moving web, said intermittent contact with said web causing said web to engage a first adhesive patch; a second protrusion in intermittent contact with
We claim: 1. An apparatus for applying tape segments onto a moving web, the apparatus comprising: a first protrusion in intermittent contact with a moving web, said intermittent contact with said web causing said web to engage a first adhesive patch; a second protrusion in intermittent contact with said web, said intermittent contact with said web causing said web to engage a second adhesive patch; said first and said second adhesive patches applied to a single product; and said first protrusion and said second protrusion contacting said web at different times, wherein the first and second protrusion contact the web at generally the same location in the cross-machine direction and different locations in the machine direction. 2. An apparatus according to claim 1, wherein said first protrusion is coupled to a rotating wheel. 3. An apparatus according to claim 1, wherein said first protrusion is coupled to a counterweight. 4. An apparatus according to claim 1, wherein said second protrusion is coupled to a rotating wheel. 5. An apparatus according to claim 1, wherein said second protrusion is coupled to a counterweight. 6. An apparatus according to claim 1, said first adhesive patch carried in proximity to said web by an anvil roll. 7. An apparatus according to claim 6, said anvil roll comprising a pattern of vacuum holes on a surface of said anvil roll to carry said first adhesive patch. 8. An apparatus according to claim 7, said vacuum holes coupled to a means for drawing a vacuum within said anvil roll. 9. An apparatus according to claim 8, said adhesive patch comprising a first side carrying an adheringly effective amount of adhesive and a second side carrying an adheringly ineffective amount of adhesive, said first side facing said web, said second side facing said anvil roll. 10. An apparatus according to claim 9, said apparatus further comprising means for feeding a continuous web of adhesive-backed tape onto said anvil roll, a knife roll positioned to cut said web of adhesive-backed tape against said anvil roll, creating a continuous stream of adhesive-backed tape segments held to said surface of said anvil roll by said vacuum within said anvil roll. 11. An apparatus for applying tape segments onto a moving web, the apparatus comprising: a traveling web positioned in proximity to an anvil roll, an adhesive surface carried by said anvil roll, a first and a second spaced apart protuberance on a first and a second rotatable cylinder, said first and second protuberance being sized and configured for intermittently displacing said traveling web at a first and a second transfer position into contact into contact with the adhesive surface, thereby adhering said adhesive surface to said traveling web at a first and a second contact point, and a first shaft affixed to said first rotatable cylinder and a second shaft affixed to said second rotatable cylinder, said first shaft and said second shaft being axially displaced from each other around the center of said anvil roll. 12. An apparatus according to claim 11, said anvil roll further comprising a pattern of vacuum holes for carrying said adhesive surface. 13. An apparatus according to claim 12, said adhesive surface comprising a first and a second segment, said first segment longer than said second segment. 14. An apparatus according to claim 12, said pattern of vacuum holes comprising a first and a second vacuum zone within said anvil roll. 15. An apparatus according to claim 14, wherein said first and said second vacuum zones have different levels of vacuum applied to said zones. 16. An apparatus according to claim 11, the apparatus further comprising a means for feeding said adhesive surface onto the surface of said anvil roll at a lineal-velocity substantially equal to or less than a surface velocity of said anvil roll. 17. An apparatus according to claim 11, the apparatus further comprising a knife roll comprising a plurality of cutting edges, said cutting edges turning against said anvil roll in coordination with a pattern of vacuum holes provided said anvil roll, said cutting edges having a knife-edge surface velocity substantially equal to a surface velocity of said anvil roll. 18. An apparatus according to claim 17, said knife roll comprising a rotary die. 19. An apparatus according to claim 11, wherein said first protuberance has a surface velocity substantially equal to a lineal velocity of said traveling web. 20. An apparatus according to claim 11, wherein said axial displacement of said first and second shafts is variable to allow selection of different spacing between adhesive surfaces.
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