Method for fabricating an anti-fatigue mat with a pre-formed gel cushioning member
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
B32B-037/06
B32B-037/04
A47G-027/02
B29C-039/00
B29C-065/14
B29C-065/00
B29C-063/04
B29K-105/00
B29L-031/00
B32B-037/08
B32B-038/00
출원번호
US-0754536
(2010-04-05)
등록번호
US-9452597
(2016-09-27)
발명자
/ 주소
McMahan, Robert L.
출원인 / 주소
LET'S GEL, INC.
대리인 / 주소
Kahler, Mark P.
인용정보
피인용 횟수 :
0인용 특허 :
41
초록▼
A method of fabricating an anti-fatigue mat employs a pre-formed gel cushioning member that includes opposed major surfaces. One of the opposed major surfaces of the gel cushioning member is heated and liquefied. A flexible support sheet is applied and bonded to the liquefied surface of the gel cush
A method of fabricating an anti-fatigue mat employs a pre-formed gel cushioning member that includes opposed major surfaces. One of the opposed major surfaces of the gel cushioning member is heated and liquefied. A flexible support sheet is applied and bonded to the liquefied surface of the gel cushioning member. The remaining opposed surface of the gel cushioning member is then heated and liquefied. A flexible base sheet is applied and bonded to this liquefied surface of the gel cushioning member. The method may move one of the opposed surfaces of the gel cushioning member adjacent a heat source to liquefy a portion of the gel cushioning member passing by the heat source. A flexible sheet is dispensed or applied to the liquefied portion of the gel cushioning member as the liquefied portion passes by a flexible sheet dispenser.
대표청구항▼
1. A method of fabricating an anti-fatigue mat comprising: forming a gel cushioning member exhibiting a predetermined geometry including first and second opposed major surfaces, the gel cushioning member further including first and second opposed major edges, wherein the first opposed major surfaces
1. A method of fabricating an anti-fatigue mat comprising: forming a gel cushioning member exhibiting a predetermined geometry including first and second opposed major surfaces, the gel cushioning member further including first and second opposed major edges, wherein the first opposed major surfaces of the gel cushioning member includes a plurality of alternating ridges and recesses extending at least part of the way between the first and second opposed edges;moving the gel cushioning member to pass by a heat source to selectivity liquefy a portion of the first major surface of the gel cushioning member adjacent the heat source, thus forming a selectivity liquefied portion that becomes larger as a the gel cushioning member moves past the heat source;continuously applying, by a sheet applicator, a first flexible sheet to the selectively liquefied portion of the first major surface of the gel cushioning member as the selectively liquefied portion moves past the heat source such that the first flexible sheet bonds to the gel cushioning member when cooled; andconsuming, by the plurality of alternating ridges and recesses, gel wave front produced on the first opposed major surface of the gel cushioning member as the first opposed major surface of the gel cushioning member is selectively reliquefied during the moving and continuously applying steps. 2. The method of claim 1, further comprising: heating, by the heat source, the second major surface of the gel cushioning member to liquefy the second major surface of the gel cushioning member; andapplying a second flexible sheet to the liquefied second major surface of the gel cushioning member such that the second flexible sheet adheres to the gel cushioning member when cooled. 3. The method of claim 1, wherein the first flexible sheet includes an integral barrier layer at the first major surface of the gel cushioning member. 4. The method of claim 1, wherein the first flexible sheet is a discrete barrier layer. 5. The method of claim 4, further comprising applying a second flexible sheet to the first flexible sheet, wherein the second flexible sheet is a base sheet such that the discrete barrier layer hinders the migration of liquid from the gel cushioning member to the second flexible sheet. 6. The method of claim 1, wherein the forming a gel cushioning member step comprises forming the gel cushioning member by casting. 7. The method of claim 1, wherein the forming a gel cushioning member step comprises forming the gel cushioning member by injection molding. 8. The method of claim 1, wherein the gel cushioning member is pre-formed before the heating step and stored in an inventory storage along with other gel cushioning members. 9. The method of claim 1, wherein the first flexible sheet comprises gel thus providing a first flexible gel sheet that laminates to the gel cushioning member when the applying a first flexible sheet step applies the first flexible sheet to the liquefied first major surface of the gel cushioning member. 10. The method of claim 1, wherein the alternating ridges and recesses increase in size across the first opposed major surface to consume the gel wave front as the gel wave front increases in size across the first opposed major surface when the first flexible sheet is applied to the gel cushioning member by the sheet applicator during the moving and continuously applying steps. 11. The method of claim 9, further comprising heating, by the heat source, a portion of the first flexible gel sheet to be applied to the liquefied first major surface of the gel cushioning member thus forming a liquefied portion of the first flexible gel sheet; and wherein the continuously applying step further comprises applying the liquefied portion of the first flexible gel sheet to the liquefied first opposed major surface of the gel cushioning member to bond the first flexible gel sheet to the gel cushioning member. 12. A method of fabricating an anti-fatigue mat comprising: forming a gel cushioning member exhibiting a predetermined geometry including first and second opposed major surfaces, the gel cushioning member further including first and second opposed edges, wherein the first opposed major surface of the gel cushioning member includes a plurality of alternating ridges and recesses extending at least part of the way between the first and second opposed edges;moving a heat source and sheet applicator across the first opposed major surface of the gel cushioning member to selectively liquefy a portion of the first major surface of the gel cushioning member adjacent the heat source, thus forming a selectively liquefied portion that becomes larger as the heat source and sheet applicator move across the first opposed major surface of the gel cushioning member;continuously applying, by the sheet applicator, a first flexible sheet to the selectively liquefied portion of the first major surface of the gel cushioning member as the heat source and sheet applicator move across the first opposed major surface of the gel cushioning member such that the first flexible sheet bonds to the gel cushioning member when cooled; andconsuming, by the plurality of alternating ridges and recesses, a gel wave front produced on the first opposed major surface of the gel cushioning member as the first opposed major surface of the gel cushioning member is selectively reliquefied during the moving and continuously applying steps. 13. The method of claim 12, further comprising: heating, by the heat source, the second opposed major surface of the gel cushioning member to liquefy the second opposed major surface of the gel cushioning member; andapplying a second flexible sheet to the liquefied second opposed major surface of the gel cushioning member such that the second flexible sheet adheres to the gel cushioning member when cooled.
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