Resilient tires and wheels – Tires – resilient – Cushion and pneumatic combined
Patent
1982-12-21
1986-04-29
Kimlin, Edward
Resilient tires and wheels
Tires, resilient
Cushion and pneumatic combined
152209R, 152453, 152454, 152511, 152530, 152549, 152559, 152563, 156118, 156121, 156122, 264326, B60C 500, B60C 302
Patent
active
045850445
ABSTRACT:
A tubular tire for cycles comprising a tubular toroidal body including an inner airtight tube to be inflated, the tire body or carcass being equipped, on the outer surface mating the wheel rim, with a rubberized tape having projecting portions such as profiles or prominences adapted to ensure a better engagement between the tire and the rim.
The carcass is built by longitudinally joining together the edges of a rubberized fabric, the junction being radially external with respect to the tire and below the tread. The edges are joined either by overlapping or by abutment of the edges. In this latter case a reinforcement strip is provided between the carcass and the tread. An additional narrow strip protecting the junction is provided between the carcass and the inner or air tube.
According to an embodiment the tire has a tunnel shaped cross-section obtained by suitably shaping the rubberized tape and the tire body when vulcanizing the tire.
The tubular tire can further be provided with an additional band of gummy material forming a cordonnet having two side pseudobeads for the engagement of the tire with conventional wheel rims.
The tire body is built from an endless band of a rubberized textile material being either a cross-biased ply structure or a square woven fabric. In the latter case the endless band provides for a limited overlapping of the ends of an open band that is covered by a strip of the same fabric so that the untruncated threads of the strip are parallel to the band threads that have been cut in order to maintain a mechanical continuity of the toroidal carcass. The invention relates also to the improved methods for manufacturing such tubular tires.
REFERENCES:
patent: 671365 (1901-04-01), Beck
patent: 684050 (1901-10-01), Falconnet et al.
patent: 1355986 (1920-10-01), Lister
patent: 1913422 (1933-06-01), Wikle
Carrera Cesare
Formenti Giuseppe
Bokan Thomas
Kimlin Edward
Pneumatici Clement S.p.A.
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