Metal working – Method of mechanical manufacture – Structural member making
Patent
1993-01-19
1993-11-23
Echols, P. W.
Metal working
Method of mechanical manufacture
Structural member making
83861, B23P 2500
Patent
active
052632520
ABSTRACT:
A method of making a panel, the panel comprising a substantially rigid layer, and a flexible layer fixed to the rigid layer, the rigid layer having therethrough an endless cut dividing the rigid layer into a main portion and a cut-out portion, the flexible layer connecting the cut-out portion to the main portion and thereby holding the cut-out portion in place relative to the main portion.
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Bemis Manufacturing Company
Bryant David P.
Echols P. W.
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