Stock material or miscellaneous articles – Structurally defined web or sheet – Including variation in thickness
Patent
1976-01-26
1977-08-23
Lesmes, George F.
Stock material or miscellaneous articles
Structurally defined web or sheet
Including variation in thickness
60 3932, 428179, 428 36, 428604, B32B 330, B32B 1500
Patent
active
040441865
ABSTRACT:
This device comprises a flexible sheet member having cross convolutions oriented 45.degree. to the shear vector with spherical reliefs at the convolution junctions. The spherical reliefs are essential to the shear flexibility by interrupting the principal stress lines that act along the ridges of the convolutions. The spherical reliefs provide convolutions in both directions in the plane of the cross-convolution ridges.
REFERENCES:
patent: 3224621 (1965-12-01), Upthegrove
Humphries L. Lee
Lesmes George F.
Rockwell International Corporation
Thibodeau P.
Upton Robert G.
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