Patent US5234740A successfully refreshed from Google Patents.
US5234740A
Expired / Lapsed
US
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Slip control sheeting and articles covered with same
Assignee: 3M Co
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Filing: 1991-08-28
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Granted: 1993-08-10
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Expires: 2011-08-28
Abstract
Abstract A slip control sheeting comprising a backing having first and second major surfaces with an array of protrusions on the first major surface and at least one of (1) a layer of adhesive on the second major surface and (2) a reinforcing web at least partially embedded in the backing. The protrusions are pyramids with triangular bases having a height between about 3 and 21 mils and the array is defined in part by a pattern of three intersecting sets of parallel grooves formed in the first major surface, the grooves defining three major axes of the sheeting.
Inventors
- 👤 Mark E. Reeves
- 👤 Margaret A. Hartfel
- 👤 Forrest J. Rouser
- 👤 Kenneth L. Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:40
CPC Classifications
B; B32; B32B; B32B3/00; B32B3/26; B32B3/30; B25; B25G; B25G1/00; B25G1/10; B29; B29C; B29C37/00; B29C37/0053; B32B27/00; B32B27/40; B32B7/00; B32B7/04; B32B7/05; B32B7/12; A; A63; A63B; A63B71/00; A63B71/0054; A63B2071/0063; A63B2209/00; A63B2209/10; A63B5/00; A63B5/12; B32B2305/00; B32B2305/08; B32B2307/00; B32B2307/70; B32B2307/744; B32B2475/00; Y; Y10; Y10S; Y10S16/00; Y10S16/12; Y10T; Y10T428/00; Y10T428/23; Y10T428/239; Y10T428/24; Y10T428/24174; Y10T428/24182; Y10T428/24355; Y10T428/24479; Y10T428/2457; Y10T428/24612; Y10T428/24942; Y10T428/28; Y10T428/2813; Y10T428/2848; Y10T74/00; Y10T74/20; Y10T74/20576; Y10T74/20732; Y10T74/2078; Y10T74/20828
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
110 words
A slip control sheeting comprising a backing having a first and a second major surface and an array of protrusions on said first major surface of said backing, said protrusion being pyramids with triangular bases, the height of said protrusions being between about 3 mils and about 21 mils, said array being defined in part by a pattern of three intersecting sets of parallel grooves formed in said first major surface, which grooves define three major axes of said sheeting, said sheeting further comprising at least one of (1) a layer of adhesive on said second major surface and (2) a reinforcing web at least partially embedded in said backing.
Claim 2
Dependent Claim
110 words
A slip control sheeting comprising a backing having a first and a second major surface and an array of protrusions on said first major surface of said backing, said protrusion being pyramids with triangular bases, the height of said protrusions being between about 3 mils and about 21 mils, said array being defined in part by a pattern of three intersecting sets of parallel grooves formed in said first major surface, which grooves define three major axes of said sheeting, said sheeting further comprising at least one of (1) a layer of adhesive on said second major surface and (2) a reinforcing web at least partially embedded in said backing.
Claim 3
Dependent Claim
19 words
The sheeting of claim 1 wherein said protrusions have a height of between about 5 and about 9 mils.
Claim 4
Dependent Claim
15 words
The sheeting of claim 1 wherein said protrusions have a height of about 7 mils.
Claim 5
Dependent Claim
22 words
The sheeting of claim 1 wherein the length of the sides of said bases is between about 5 and about 30 mils.
Claim 6
Dependent Claim
22 words
The sheeting of claim 1 wherein the length of the sides of said bases is between about 10 and about 20 mils.
Claim 7
Dependent Claim
18 words
The sheeting of claim 1 wherein said backing is between about 2 mils and about 15 mils thick.
Claim 8
Dependent Claim
22 words
The sheeting of claim 1 wherein said sheeting is sufficiently flexible to be wound about itself on a 1 inch diameter mandrel.
Claim 9
Dependent Claim
27 words
The sheeting of claim 1 wherein said backing comprises a film comprising a compound selected from the group consisting of polyvinyl, polyurethane, polyester, polyacrylic, polycarbonate, and polyolefin.
Claim 10
Dependent Claim
16 words
The sheeting of claim 1 wherein the bases of said protrusions are immediately adjacent one another.
Claim 11
Dependent Claim
21 words
The sheeting of claim 1 wherein said adhesive layer comprises one or more of the following: heat-activated adhesive, or pressure-sensitive adhesive.
Claim 12
Dependent Claim
18 words
A gymnastic apparatus having a sheeting of claim 1 on at least a portion of the surface thereof.
Claim 13
Dependent Claim
35 words
The gymnastic apparatus of claim 11 wherein said gymnastic apparatus is selected from the group consisting of: vaulting horse, pommel horse, parallel bars, uneven bars, high bar, balance beam, vault spring board, and landing mats.
Claim 14
Dependent Claim
17 words
A sheeting of claim 1 applied to the handle of a tool or racquet with said adhesive.
Claim 15
Dependent Claim
10 words
The sheeting of claim 8 wherein said backing comprises polyurethane.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1996-08-09 | 1997-02-08 | 1997-08-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2000-08-09 | 2001-02-08 | 2001-08-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2004-08-09 | 2005-02-08 | 2005-08-10 | $7700.00 | Window Closed / Lapsed |