Static structures (e.g. – buildings) – Window or window sash – sill – mullion – or glazing – Panel or panel edging – directly clamped or adhered to wall
Patent
1990-06-20
1992-01-14
Ridgill, Jr., James L.
Static structures (e.g., buildings)
Window or window sash, sill, mullion, or glazing
Panel or panel edging, directly clamped or adhered to wall
49490, 52403, E04B 162
Patent
active
050798820
ABSTRACT:
A seal adapted to be mounted on an edge of an element such as, for example, a sheet metal panel or non-sliding glass of an automobile, and of the type comprising a sealing portion fixed to a channel or U-portion which can be engaged on the edge of the element, the seal comprising, at least one lip articulated to the channel and projecting into the interior of the channel, the lip having a portion for bearing elastically on a wall of the element, and of a profile in the form of an arc of a logarithmic spiral centered on a point of articulation of the lip on the channel, the sprial having a profile wherein the angle made by a radius vector of the spiral with the normal at the point of contact of the lip on the element is less than the angle of friction between the respective materials of the lip and the element.
REFERENCES:
patent: 4092813 (1978-06-01), Eggert
patent: 4690412 (1987-09-01), Tuckley et al.
patent: 4848035 (1989-07-01), Sakuma et al.
patent: 4949524 (1990-08-01), Martin et al.
patent: 4959081 (1990-09-01), Methellier
Automobiles Peugeot and Automobiles Citroen
Ridgill, Jr. James L.
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