Abstract: A method of pilgrim step rolling of elongated stock includes reciprocating a roll stand or frame for moving the stock either by rotating it and/or advancing it; such a method is improved by providing a first component of movement at a constant speed and adding thereto, near each dead center portion of the reciprocating frame movement, a second component of motion including temporary accelerating and decelerating periods.
Abstract: This invention relates to antibiotics designated 9865 RP, and its three constituents, hereinafter designated 13057 RP, 13213 RP and 13330 RP and their preparation.
Type:
Grant
Filed:
May 16, 1963
Date of Patent:
December 14, 1976
Assignee:
Rhone-Poulenc S.A.
Inventors:
Sylvie Pinnert, Leon Ninet, Jean Preud'Homme