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US 4,364,125 AGranted
Stiffening insert for wearing apparel
AssigneeFirma Carl Freudenberg
InventorsErich de Riz, Wolfgang Ringel
Life of this patent
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Abstract
A stiffening insert of shaped stiff material having openings parallel to the long axis of the material is disclosed. The openings present a serrated outline. The inserts may be applied to collars, cuffs, waist bands, clothes trim and other parts of apparel which need to be stiffened.
Claims8
A stiffening insert for wearing apparel, which comprises:
- a stiff, flat material having an outline appropriate for the wearing apparel and having at least one series of internal multiple openings parallel to the long axis of the material, wherein each opening is defined by a set of circular holes which overlap each other, and wherein the portions of material between adjacent openings of a series have widths which are smaller than twice the diameter of the circular holes.
Dependencies are inferred from the claim text.