Method of making a mechanical fastening strip and reticulated mechanical fastening strip therefrom
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
A44B-018/00
A61F-013/62
출원번호
US-0028912
(2011-02-16)
등록번호
US-9138031
(2015-09-22)
발명자
/ 주소
Wood, Leigh E.
Gilbert, Thomas J.
Peltier, Mark A.
Kitzer, Peter
Hauschildt, Volker
Urban, Andreas
Unruh, William C.
Biegler, Kristopher K.
출원인 / 주소
3M Innovative Properties Company
인용정보
피인용 횟수 :
9인용 특허 :
80
초록▼
A method of making a mechanical fastening strip and a reticulated mechanical fastening strip are disclosed. The method includes providing a backing having upstanding posts; providing interrupted slits through the backing, the interrupted slits being interrupted by at least one intact bridging region
A method of making a mechanical fastening strip and a reticulated mechanical fastening strip are disclosed. The method includes providing a backing having upstanding posts; providing interrupted slits through the backing, the interrupted slits being interrupted by at least one intact bridging region; spreading the slit backing to provide multiple strands separated from each other between at least some of the bridging regions to provide at least one opening; and fixing the multiple strands of the backing in a spread configuration. The reticulated mechanical fastening strip includes multiple strands of a backing attached to each other at bridging regions in the backing and separated from each other between the bridging regions to provide openings. Upstanding posts on each of the multiple strands have bases attached to the backing, and each of the multiple strands has a width that is greater than that of the bases of its attached upstanding posts.
대표청구항▼
1. A reticulated mechanical fastening strip having a longitudinal direction and a width direction, the reticulated mechanical fastening strip comprising: multiple strands of a thermoplastic backing attached to each other at bridging regions in the thermoplastic backing and separated from each other
1. A reticulated mechanical fastening strip having a longitudinal direction and a width direction, the reticulated mechanical fastening strip comprising: multiple strands of a thermoplastic backing attached to each other at bridging regions in the thermoplastic backing and separated from each other between the bridging regions to provide openings in the reticulated mechanical fastening strip, each of the multiple strands having a longitudinal dimension, which is the longest dimension of each of the multiple strands, a width dimension, and a thickness; and a plurality of upstanding posts on each of the multiple strands, the upstanding posts having bases attached to the thermoplastic backing and having caps distal from the thermoplastic backing, wherein the width dimension of each of the multiple strands is wider than at least the bases of the upstanding posts,wherein the plurality of upstanding posts on a first strand are arranged in a series that is non-parallel to a series of upstanding posts on a second, adjacent strand, and wherein both the plurality of upstanding posts and the multiple strands undulate along the longitudinal direction of the reticulated mechanical fastening strip. 2. The reticulated mechanical fastening strip of claim 1, wherein the overhangs distal from the thermoplastic backing are comprised in caps, and wherein the caps are oriented in different directions along the multiple strands in the longitudinal direction. 3. The reticulated mechanical fastening strip of claim 1, wherein the overhangs distal from the thermoplastic backing are comprised in caps, and wherein the caps of the upstanding posts in the series on the first strand are oriented in a first set of directions relative to the longitudinal direction, which is different from a second set of directions in which the caps of the upstanding posts in the series on the second, adjacent strand are oriented relative to the longitudinal direction. 4. A fastening laminate comprising a carrier, the reticulated mechanical fastening strip of claim 1 joined to the carrier. 5. The reticulated mechanical fastening strip of claim 1, wherein there are upstanding posts on only one surface of the reticulated mechanical fastening strip. 6. The reticulated mechanical fastening strip of claim 1, wherein there are at least two upstanding posts across the width dimension of at least some of the multiple strands on one surface of the reticulated mechanical fastening strip. 7. The reticulated mechanical fastening strip of claim 1, wherein the overhangs distal from the thermoplastic backing are comprised in caps, and wherein each cap has a larger area than a cross-sectional area of the base. 8. The reticulated mechanical fastening strip of claim 1, wherein at least a portion of the overhangs extend beyond the upstanding posts at a non-zero angle to a direction parallel to the longitudinal dimension of the multiple strands. 9. The reticulated mechanical fastening strip of claim 1, wherein at least a portion of the multiple strands exhibit stretch-induced molecular orientation in at least one direction. 10. The reticulated mechanical fastening strip of claim 1, wherein the multiple strands do not exhibit macroscopic stretch-induced molecular orientation in any direction. 11. The reticulated mechanical fastening strip of claim 1, wherein each of the upstanding posts is in the shape of mushroom, nail, palm tree, a T, or a J. 12. The fastening laminate of claim 4, further comprising adhesive between at least a portion of the reticulated mechanical fastening strip and at least a portion of the carrier. 13. The fastening laminate of claim 12, wherein the adhesive is exposed between at least some of the multiple strands of the thermoplastic backing. 14. The fastening laminate of claim 4, wherein the reticulated mechanical fastening strip and the carrier have different colors. 15. The fastening laminate of claim 4, wherein the fastening laminate has a proximal end and a distal end, and wherein the width of the multiple strands increases from the distal end to the proximal end. 16. The fastening laminate of claim 4, wherein the carrier comprises fibers, and wherein the multiple strands and at least a portion of the fibers of the carrier are surface-bonded. 17. An absorbent article having at least a front waist region, a rear waist region, and a longitudinal center line bisecting the front waist region and the rear waist region, wherein at least one of the front waist region or the rear waist region comprises the fastening laminate of claim 4. 18. A sanitary napkin comprising the fastening laminate of claim 4. 19. The reticulated mechanical fastening strip of claim 1, further comprising multiple strands that are not separated from each other between the bridging regions.
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