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US 5,951,809 AGranted
Method of providing identifying indicia to a roofing shingle
AssigneeCertainTeed Corporation
InventorsRobert L. Jenkins, George F. Wilkins, Michael J. Noone, Norman M. Robinson, Robert E. Oglesby
Life of this patent
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Abstract
A composition roofing shingle is described which has release material affixed thereto for the purpose of identifying the compositional shingle with process parameters for the time frame of manufacture. The identification is achieved by marking the release material with planographic idicia by means such as printing, stamping and ink-jet spray application.
Claims11
A method of providing identifying indicia as to at least one parameter of manufacture of a composition roofing shingle, comprising the steps of:
- a) providing an elongated shingle body of composition roofing, having an exposed face;
- b) applying planographic indicia to a separate layer of release material at predetermined intervals;
- c) applying the planographic indicia to the shingle's exposed face by affixing the separate layer of elongated release material to the exposed face of the shingle body throughout the extent of the shingle body;
- d) whereby the shingle can be identified by the planographic indicia, as to at least one parameter of its manufacture.
1 more element
Dependencies are inferred from the claim text.