Buckles – buttons – clasps – etc. – Strap-end-attaching devices – Buckle connected
Patent
1977-09-28
1980-06-03
Lyddane, William E.
Buckles, buttons, clasps, etc.
Strap-end-attaching devices
Buckle connected
24115M, 285 3, 285323, 403369, A44B 2100
Patent
active
042054176
ABSTRACT:
There is disclosed a ferrule which is made of plastic material and is initially molded in one piece as a ferrule blank consisting of a thin-walled circular cylindrical shell or sleeve, a radially inwardly-directed transverse annular flange at the inner end of the sleeve, and a part which initially extends further axially inwardly from the flange, the said part having a plurality of axially extending fingers formed by straight-walled axial slots. The axially outer ends of the fingers are joined at their roots to the outer edge of the above-mentioned annular flange. The radially outer edge of such flange is joined to the axially inner end of the sleeve by a very narrow frangible annular flange. The fingers as initially molded diverge in an axially inwardly direction from their roots. Each of the fingers adjacent its inner end is provided with a peripheral groove which terminates at its inner end in a radially outwardly projecting lip. The inner surface of the sleeve is provided with an annular ridge at its axially inner end immediately adjacent the transverse flange on the ferrule.
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patent: 4090463 (1978-05-01), Soderberg
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