Method of separating strands on a stretching surface
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B29C-055/08
D01D-010/04
D01D-005/42
D04H-013/02
B26D-003/10
A44B-018/00
B29K-021/00
B29L-031/48
출원번호
US-0131416
(2016-04-18)
등록번호
US-9630359
(2017-04-25)
발명자
/ 주소
Rothwell, Neal C.
Bugeja, Peter J.
Gilbert, Thomas J.
Diekmann, Timothy J.
Peltier, Mark A.
Luepke, Ryan M.
출원인 / 주소
3M Innovative Properties Company
인용정보
피인용 횟수 :
0인용 특허 :
85
초록▼
A method of increasing a width of a polymeric netting is disclosed. The method includes providing a polymeric netting having a length in a machine direction and running the polymeric netting in the machine direction onto a stretchable surface. The polymeric netting is in contact with the stretchable
A method of increasing a width of a polymeric netting is disclosed. The method includes providing a polymeric netting having a length in a machine direction and running the polymeric netting in the machine direction onto a stretchable surface. The polymeric netting is in contact with the stretchable surface for a path length in the machine direction, and for at least a portion of the path length, the stretchable surface is stretching in the cross-machine direction. The traction between the polymeric netting and the stretchable surface during the stretching increases the width of at least a portion of the polymeric netting in the cross-machine direction.
대표청구항▼
1. A method of increasing a width of a polymeric netting, the method comprising: providing a polymeric netting having a length in a machine direction; andrunning the polymeric netting in the machine direction onto a stretchable surface, wherein the polymeric netting is in contact with the stretchabl
1. A method of increasing a width of a polymeric netting, the method comprising: providing a polymeric netting having a length in a machine direction; andrunning the polymeric netting in the machine direction onto a stretchable surface, wherein the polymeric netting is in contact with the stretchable surface for a path length in the machine direction, wherein for at least a portion of the path length, the stretchable surface stretches in the cross-machine direction, wherein traction between the polymeric netting and the stretchable surface during stretching increases a width of at least a portion of the polymeric netting in the cross-machine direction, and wherein the stretchable surface is provided by at least one stretchable band, stretchable tubing, at least one coiled spring, or a combination thereof. 2. The method of claim 1, wherein the polymeric netting has a width after contacting the stretchable surface that is at least five percent greater than its width before it contacts the stretchable surface. 3. The method of claim 1, wherein the polymeric netting comprises mechanical fastening elements on at least one major surface. 4. The method of claim 3, wherein the mechanical fastening elements are male fastening elements comprising upstanding posts having bases attached to the polymeric netting. 5. The method of claim 3, wherein the polymeric netting is coated with adhesive on its major surface opposite the mechanical fastening elements. 6. The method of claim 1, wherein the stretchable surface does not have a support surface contacting the stretchable surface on a side opposite a side of the stretchable surface that contacts the polymeric netting. 7. The method of claim 1, further comprising directing the polymeric netting onto a high-friction surface after the width of at least a portion of the polymeric netting is increased. 8. The method of claim 1, further comprising laminating the polymeric netting to a carrier after the width of at least a portion of the polymeric netting is increased. 9. The method of claim 8, wherein the carrier is provided with a layer of adhesive, and wherein the polymeric netting is bonded to the carrier with the adhesive to form a laminate. 10. The method of claim 1, wherein stretchable surface comprises an elastomer. 11. A method of increasing a width of a polymeric netting, the method comprising: providing a polymeric netting having a length in a machine direction; andrunning the polymeric netting in the machine direction onto a stretchable surface, wherein the polymeric netting is in contact with the stretchable surface for a path length in the machine direction, wherein for at least a portion of the path length, the stretchable surface stretches in the cross-machine direction, wherein traction between the polymeric netting and the stretchable surface during stretching increases a width of at least a portion of the polymeric netting in the cross-machine direction, and wherein running the polymeric netting in the machine direction comprises running the polymeric netting onto a roller comprising two rotating diverging disks that are laterally spaced and have the stretchable surface between them that stretches in the cross-machine direction for a portion of a rotation of the two rotating diverging disks. 12. The method of claim 11, wherein there are multiple stretchable bands, stretchable tubing, multiple coiled springs, or a combination thereof attached to the diverging disks that provide the stretchable surface. 13. The method of claim 11, wherein the stretchable surface is a sleeve connected to the two rotating diverging disks. 14. The method of claim 11, wherein a distance between the two diverging disks' peripheral surfaces at a point of greatest separation is at least 25 percent greater than a distance between the two diverging disks' peripheral surfaces at a point of least separation. 15. The method of claim 11, wherein stretchable surface comprises an elastomer. 16. The method of claim 11, wherein the stretchable surface does not have a support surface contacting the stretchable surface on a side opposite a side of the stretchable surface that contacts the polymeric netting. 17. The method of claim 11, wherein the polymeric netting comprises mechanical fastening elements on at least one major surface. 18. The method of claim 11, further comprising directing the polymeric netting onto a high-friction surface after the width of at least a portion of the polymeric netting is increased. 19. The method of claim 11, further comprising laminating the polymeric netting to a carrier after the width of at least a portion of the polymeric netting is increased. 20. The method of claim 19, wherein the carrier is provided with a layer of adhesive, and wherein the polymeric netting is bonded to the carrier with the adhesive to form a laminate.
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