Adhesive bonding and miscellaneous chemical manufacture – Surface bonding means and/or assembly means therefor – With bending – folding – winding – or wrapping means
Patent
1982-11-03
1984-09-11
Simmons, David A.
Adhesive bonding and miscellaneous chemical manufacture
Surface bonding means and/or assembly means therefor
With bending, folding, winding, or wrapping means
156226, 1564771, 156478, B32B 304
Patent
active
044708696
ABSTRACT:
A device designed to fold the end of a flexible strip back upon itself, e.g. to finish an extremity of a belt fitting into a buckle, comprises a depressible block with a front edge shaped to conform to the desired outline of the strip end. In its normal elevated position, the block is flush with a horizontally movable slider having a complementary confronting rear edge; the block is also overlain by two juxtaposed vertical plungers which are independently displaceable, the forward one of these plungers having a profile conforming to and aligned with the front edge of the block. After an extremity of a strip to be shaped has been placed on the block and on part of the adjoining slider, which is maintained at an elevated temperature by a heater juxtaposed therewith, the two plungers are lowered to depress the block through that extremity against a sustaining spring force below the level of the slider whereby parts of the strip overlying the slider are bent up between the rear edge of the latter and the profiled forward plunger which is thereupon withdrawn upward, allowing the slider to be shifted toward the other plunger above the repressed block so as to flatten the bent-up strip portion thereagainst; after the other plunger has also been retracted, the heated slider moves further across the block for thermally fixing the flattened portions in their new positions.
REFERENCES:
patent: 1657911 (1928-01-01), Anthony
patent: 2756805 (1956-07-01), Silverman
patent: 2807307 (1957-09-01), Brooks et al.
patent: 2828796 (1958-04-01), Loew
patent: 3047047 (1962-07-01), Winberg
patent: 4019944 (1977-04-01), Tomita
patent: 4124424 (1978-11-01), Preston
Battista Lozio & Figli S.P.A.
Ross Karl F.
Simmons David A.
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