Stock material or miscellaneous articles – Structurally defined web or sheet – Including variation in thickness
Patent
1998-11-23
2000-11-28
Loney, Donald
Stock material or miscellaneous articles
Structurally defined web or sheet
Including variation in thickness
428167, 428212, B32B 300
Patent
active
061532851
ABSTRACT:
An indentation in a surface of a plastically deformable material, in particular metal, having a curved section at the base of the indentation. The curved section is adjoined in the direction of the surface by a further section which has the shape of a parabola in cross section.
REFERENCES:
Article entitled "Werkzeuge zum Fertigen von Versteifungssicken" written by Winfried Petzold taken from Bander Blecke Rohre, dated Apr. 1991, pp. 37-40.
Article entitled "Optimierte Herstellung und Versteifungswirkung von geschlossenen Halbrundsicken" written by Dr.-Ing. M. Widmann taken from Blech Rohr Profile 32, dated 1985, pp.1235-131.
Article entitled "Some recent advances in microwave reflector antennas" written by Prof. P.J.B. Clarricoats taken from Proceedings of the Institute of Electrical Engineers, vol. 126, No. 1, dated Jan. 1979, pp. 9-25.
Christel Werner
Drescher Horst
Loney Donald
Mannesmann Sachs AG
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