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US 4,803,103 AGranted
Recoverable article
AssigneeRaychem Corporation
InventorsKenneth B. Pithouse, Thomas A. Kridl, James T. Triplett
Life of this patent
Estimating the term…
Abstract
A recoverable article comprises a fabric having zones of different or uniformly varying recovery forces or ratios. The fabric can be made impervious and used for environmental protection.
Claims24
A hollow recoverable sleeve suitable for environmental protection of a substrate, which comprises:
- a recoverable fabric having a plurality of zones respective zones having different recovery ratios or forces, the fabric having been woven from a plurality of fibres of different recovery ratios or forces, respective fibres corresponding to respective zones;
- a polymeric matrix material by means of which the fabric is rendered substantially impervious;
- the sleeve having a length greater than its diameter.
Dependencies are inferred from the claim text.