E - Fixed Constructions – 04 – D
Patent
E - Fixed Constructions
04
D
E04D 1/26 (2006.01)
Patent
CA 2284171
A method of making multiple laminated shingles from a single sheet of roofing material. When four shingles are to be made, the sheet is cut into five strips, namely first and second double shims, first and second single tooth strips, and a double tooth strip. Each double shim is then laminated below the tooth portion of a single tooth strip and the tooth portion at one side of a double tooth strip, to produce a single lamination strip. The lamination strip is then slit lengthwise and crosscut by a single conventional shingle cutter to produce four lanes of shingles across the width of the lamination strip. The process can produce other numbers of shingle lanes. In all cases, the various strips needed are, after being cut, re-assembled into a single lamination strip so that they can be slit and crosscut by a single standard shingle cutter.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Iko Industries Ltd.
LandOfFree
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