Stock material or miscellaneous articles – Structurally defined web or sheet – Edge feature
Patent
1989-12-18
1991-10-01
Robinson, Ellis P.
Stock material or miscellaneous articles
Structurally defined web or sheet
Edge feature
428137, 428139, 428 77, 428182, 428343, 428463, 428518, 428157, 428159, 428163, 428167, 428169, 52199, 52 58, 52 60, 52536, E04B 718, B32B 310
Patent
active
050532669
ABSTRACT:
A roof tile construction includes a ventilation tile having pliable portions provided by a membrane of PVC (polyvinyl chloride) which is readily deformable to complement the shapes and configurations of adjacent roof tiles, whereby gaps between the headlap, side-lock and tail portions of tiles immediately adjacent the ventilation tile are substantially closed. The ventilation tile also includes a rigid body portion for supporting the membrane, the body portion being generally of planar configuration and being provided with adapter means for accommodating ventilation means such as a ventilation cap, or a soil pipe. The membrane is also of generally planar configuration and includes a headlap portion, oppositely disposed side-lock portions and a tail portion which extends beyond the rigid body portion. The tail portion is provided with an adhesive coating and with stiffening means in order to secure the tail portion to and maintain conformity of the tail portion with the profile of the headlap portion of an adjacent tile, and is also provided with corrugations extending across the width thereof. A depending wall portion at the headlap portion of the rigid body portion assists in locating the ventilation tile on a roof batten.
REFERENCES:
patent: 3874138 (1975-04-01), Storch
patent: 3895467 (1975-07-01), Clement
patent: 4372090 (1981-10-01), Shichijo
patent: 4573291 (1986-03-01), Hofmann
patent: 4635409 (1987-01-01), Vandemore
patent: 4685256 (1987-08-01), Alkjaer
patent: 4717614 (1988-01-01), Bondoc et al.
patent: 4803111 (1989-02-01), Mansell
patent: 4934117 (1990-06-01), Barksdale
Alker Peter
Hesketh Mark L.
Hofmann Karl-Heinz
Rottger Wilhelm
Wanner Wendelin
Dovetail Building Products Limited
Robinson Ellis P.
Watkins III William P.
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