Buckles – buttons – clasps – etc. – Bale and package ties – hose clamps – With tighteners
Patent
1975-11-28
1976-12-28
Griffin, Donald A.
Buckles, buttons, clasps, etc.
Bale and package ties, hose clamps
With tighteners
A44B 2100
Patent
active
039992586
ABSTRACT:
An extruded plastic channel receives the plastic film and a plastic locking strip is then engaged within the channel and under opposed overhanging beads on each side of the channel to clamp the film in position. One of the beads on the channel extends inwardly substantially parallel to the base of the channel and the other bead extends upwardly and inwardly and is connected by a relatively thin web, to the side wall of the channel. This last mentioned bead flexes outwardly as the locking strip is snap engaged within the channel. A flexible extension is formed on the underside of the first bead and extends downwardly and towards the side wall from which this bead extends. This presses against the bead of the locking strip when in place and maintains the locking strip firmly in position regardless of the thickness of film used thus enabling the device to be used effectively with films of different thicknesses. In one embodiment, a further flexible extension extends upwardly from the base of the channel and towards the wall from which said one of the beads extends.
REFERENCES:
patent: 3225407 (1965-12-01), Daniels
patent: 3384938 (1968-05-01), O'Connor
patent: 3543326 (1970-12-01), Rohrberg et al.
patent: 3803671 (1974-04-01), Stuppy et al.
patent: 3805873 (1974-04-01), Bloomfield
patent: 3893212 (1975-07-01), Curry
Ade Stanley G.
Griffin Donald A.
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