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Packaging-of-tabbed-composite-shingles-having-a-backer-strip-containing-uniform-identically-spaced-vertical-projections-on-its-top-edge

Food receiving liners for animal feeders

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Unique improved drainage system for basements

What is claimed is: 1. A foundation wall and drainage tile system comprising a footer, a wall ...

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What is claimed is: 1. A foundation wall drainage system comprising: a footer wall; an earthen ...

Basement wall structure to prevent water leakage

OF THE INVENTION The basic unit comprising the invention is shown in the perspective combined ...

Packaging of tabbed composite shingles having a backer strip containing uniform, identically spaced, vertical projections on its top edge

Details

Inventors: Railkar, Sudhir; Chich, Adem;
Assignee: Building Materials Investment Corporation (Wilmington, DE)
Primary Examiner: Friedman; Carl D.
Assistant Examiner: Katcheves; Basil
Attorney, Agent or Firm: Davis; William J. Balogh; Imre

This invention relates to back-to-back inverse packaging of a pair of tabbed, composite roofing shingles consisting of (a) a top sheet having a lower butt portion divided into spaced tabs and an upper undivided headlap portion carrying a horizontal band of nailing indicia on the lower portion of its exposed surface; (b) a backer strip underlying the tabs of the top sheet and filling the spaces between the tabs and (c) vertical projections of approximately similar shape and spacing as the tabs, positioned on the top horizontal margin of the backer strip which projections extend upwardly beyond said band of indicia at a distance not more than one half the width of said headlap portion and which are interposed above the spaces between the tabs.

DETAILED DESCRIPTION In accordance with this invention there is provided a unique composite shingle arrangement and a method of packaging pairs of the composite shingle units, each unit comprising a tabbed top sheet and a backer strip having vertical uniform projections disposed longitudinally along its top edge margin, by reversed and back-to-back placement of an identical pair of shingles so that the projections on the shingle undersurfaces in the package are interposed and preferably in abutment.

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