Stock material or miscellaneous articles – Structurally defined web or sheet – Including variation in thickness
Patent
1990-10-29
1993-05-25
Loney, Donald J.
Stock material or miscellaneous articles
Structurally defined web or sheet
Including variation in thickness
428 68, 428 81, 428 99, 428156, 428157, 428161, 428167, 428192, 428213, 4285422, 52312, 52465, B32B 300, A47G 3500, B44F 700
Patent
active
052138704
ABSTRACT:
A bendable ornamental panel is constructed by connecting the edge portions of thick portions and intermediate thin portions in order and the angle .theta. between the side surface of a base portion of the thick portion and the thin portion is set to be between 80 degrees and 130 degrees. The reverse side of the thick portion and that of the thin portion is formed in a plane. A side end thin portion having flexibility is connected to the outside end edge portion of one of the side end thick portions. The thickness of the side end thin portion is formed relatively thick at the base portion and formed gradually thin from the base portion to the tip end portion.
REFERENCES:
patent: 390945 (1888-10-01), Bosley
patent: 2681377 (1954-06-01), Smithers
patent: 3746607 (1973-07-01), Harmon et al.
patent: 4816316 (1989-03-01), Robbins
Greigg Edwin E.
Greigg Ronald E.
Loney Donald J.
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