Stock material or miscellaneous articles – Structurally defined web or sheet – Discontinuous or differential coating – impregnation or bond
Patent
1982-10-29
1984-10-02
Ives, Patricia C.
Stock material or miscellaneous articles
Structurally defined web or sheet
Discontinuous or differential coating, impregnation or bond
428908, 4285371, 428514, 428535, 4285375, 229 87R, 229 87H, 229 35R, 229DIG5, 427262, B32B 2906
Patent
active
044748426
ABSTRACT:
An improved, waterproofed, non-slip, non-skid kraft lumber wrap for covering milled lumber as stacked for shipment on flatbed railroad cars and having a printed application of a high friction material which is applied in the form of a plurality of groups of generally quarter-circular area shapes, the shapes in each group being spaced apart in transverse directions to form a unitary pattern of predetermined total area size which, when repeated on predetermined centers over the central upper side area of the wrap will, when in use, provide an overall non-skid surface for the top surface of the wrap covered lumber stack where workmen are likely to walk during loading and unloading operations, the circular area shapes of each pattern being so arranged that in the overall application of the pattern onto the lumber wrap, the area of an average sized worker's foot, as he walks on the covered lumber stack, will always be in contact with a portion of at least two of the circular shapes comprising the overall application of the high friction coating material.
REFERENCES:
patent: 3334009 (1967-08-01), Questel et al.
patent: 3547767 (1970-12-01), Keeling et al.
patent: 3595943 (1971-07-01), Brunson et al.
patent: 3702278 (1972-11-01), Fitzgerald
patent: 3969558 (1976-07-01), Sadashige
Ives Patricia C.
Rummler Chas. W.
The Cromwell Paper Company
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