Shaped blanks, methods for their production and improvements to

Details Shaped blanks, methods for their production and improvements to Shaped blanks, methods for their production and improvements to

1982-10-22

1985-05-21

Husar, Francis S.

Stock material or miscellaneous articles

All metal or with adjacent metals

Intermediate article

72225, 72234, 72366, 428583, 238122, B21B 108, B21B 1308

Patent

active

045186600

ABSTRACT:
The primary blank 1, which is to be transformed into a finished rail by means of universal passes, edging passes and a finishing pass, is characterized by a symmetric `.UPSILON.` section the thickness of which always varies in the same way. It is designed to be shaped exclusively in open grooves.

REFERENCES:
patent: 499651 (1893-06-01), Butz
patent: 657964 (1900-09-01), Seaman
patent: 1306967 (1919-06-01), Mathias
patent: 3583193 (1971-06-01), Kishikawa
patent: 4344310 (1982-08-01), Kozono et al.

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