Binding-up band with locking structure

Details Binding-up band with locking structure Binding-up band with locking structure

1988-08-23

1991-01-01

Cranmer, Laurie K.

Buckles, buttons, clasps, etc.

Bale and package ties, hose clamps

Metal bands

24 20R, B65D 6302

Patent

active

049809539

ABSTRACT:
A binding-up band for use in fastening articles having remarkable shrink properties such as cotton or the like has at its ends locking structures which are adapted to fit one in the other in a complementary manner. In this locking structure, a plurality of raised engaging portions each having a wide portion and narrow portion are provided in a row in the longitudinal direction, and these raised engaging portions are formed by providing a sufficient number of pairs of symmetrical bent cuts in the band and pressing out these cut-provided portions to be of a trapezoid-like shape in longitudinal cross-section. Among the plurality of raised engaging portions, the raised engaging portions at the extreme ends of the engaging areas of the band are made longer than the intermediate raised engaging portions on the same areas, and the respective longer raised engaging portions are mutually fitted one in the other in a complementary manner and the intermediate raised engaging portions are also mutually fitted one in the other in a complementary manner. This construction enables yielding high displaceability relative to the deformation of the ends of the band due to the tensile force applied thereto, and a joint strength is obtainable which is substantially the same as that of the base metal, thus making it possible to prevent the raised engaging portions from being broken.

REFERENCES:
patent: 1687854 (1928-10-01), Anderson
patent: 3426392 (1969-02-01), Timmerbeil
patent: 4226007 (1980-10-01), Duenser

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