Linking device for uniting two plates in abutment

Details Linking device for uniting two plates in abutment Linking device for uniting two plates in abutment

1975-07-28

1977-05-10

Kundrat, Andrew V.

Buckles, buttons, clasps, etc.

Trouser guards, clips, straps

292253, 403405, 16124, 85 31, 24 81BF, B65D 4516

Patent

active

040218902

ABSTRACT:
A linking device is disclosed which comprises a connecting strip, a main trunk section formed integrally at each end of said connecting strip and an engaging member formed by extending the forward perpendicular end of said each main trunk section into an inserting and engaging portion integrally incorporating a hook element of the shape of a hook. Butting union for two covering flaps of a container is accomplished by having perforations bored in advance one in each of said covering flaps at opposed positions across the butting edges of said covering flaps, inserting said inserting and engaging portions into said opposed perforations and pressing said main trunk sections downwardly, whereby the inserting and engaging portions advance through the perforations until the tips of said hook elements collide into the covering flaps on the edges of said perforations and, in consequence of said collision, the inserting and engaging portions are caused to advance in inwardly bent directions, causing said hook elements and the corresponding inserting and engaging portions to take firm grip of said edges of the respective perforations in the covering flaps.

REFERENCES:
patent: 1043690 (1912-11-01), Gould
patent: 2828905 (1958-04-01), Frizzell
patent: 3707023 (1972-12-01), Pfaffendorf

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