Locking arrangement for die cutter blanket

Details Locking arrangement for die cutter blanket Locking arrangement for die cutter blanket

1996-10-24

1998-02-24

Jones, Eugenia

Cutting

Tool or tool with support

Anvil

83347, 8369842, B26D 720

Patent

active

057202125

ABSTRACT:
A die cutter blanket covers an anvil roller and includes a polyurethane coating bonded to a sheet metal liner secured to an anvil roller channel by interlocking male and female locking portions secured to the blanket ends. The female locking portion comprises an end of the blanket coating depending from the blanket end and overlying a depending backing liner leg. Both are riveted to a first leg of an L-shaped member. An elastomeric element is secured to an end edge of the second leg via a tongue and groove and/or by bonding. The second leg and element are in interference compressive friction engagement with the channel. The male locking portion is interlocked to the inserted female portion. In other embodiments a separate compressible strip is secured in or formed part of the channel material to engage an end of the second leg. A further shim is in the channel or attached to the first leg and cooperates with the element to provide desired additional compressive frictional engagement with the channel.

REFERENCES:
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patent: 4848204 (1989-07-01), O'Connor et al.
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patent: 5076128 (1991-12-01), O'Connor et al.
patent: 5078535 (1992-01-01), Kirkpatrick

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