Stock material or miscellaneous articles – Hollow or container type article – Polymer or resin containing
Patent
1989-06-19
1991-06-04
Seidleck, James J.
Stock material or miscellaneous articles
Hollow or container type article
Polymer or resin containing
92 47, 156298, 156302, 1563099, 428 3691, F16J 304
Patent
active
050212710
ABSTRACT:
The invention relates to a bellows in which the multi-layer cover which forms the bellows body consists of at least one carrier layer, an outer layer and an inner reinforcing layer, and the layers forming the cover are surface welded together.
REFERENCES:
patent: 3213764 (1965-10-01), Nelson et al.
patent: 3315704 (1967-04-01), Shire
patent: 4424834 (1984-01-01), Sumi et al.
patent: 4745848 (1988-05-01), Hennig
Febr. Hennig GmbH
Seidleck James J.
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