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公开(公告)号:US3226814A
公开(公告)日:1966-01-04
申请号:US14323461
申请日:1961-10-05
Applicant: COPPERWELD STEEL CO
Inventor: LEIB FRANCIS E , SCHMALZ JAMES H , KURA JOHN G , PETERSON JAMES H
CPC classification number: B22F7/08 , B21B1/18 , B21B13/103 , B21B17/04 , B21B45/004 , B21B2001/383 , B22F5/12
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2.
公开(公告)号:US3088195A
公开(公告)日:1963-05-07
申请号:US77312558
申请日:1958-06-16
Applicant: COPPERWELD STEEL CO
Inventor: NOETHLICH JR RICHARD M , DUNLEAVY JOSEPH G , KURA JOHN G , GISSY JOHN L
IPC: B21B1/18 , B21B1/38 , B21B13/10 , B21B15/00 , B21B45/00 , B22F3/18 , B22F5/12 , B22F7/08 , B23K20/227
CPC classification number: B22F5/12 , B21B1/18 , B21B13/103 , B21B15/0007 , B21B45/004 , B21B2001/383 , B22F3/18 , B22F7/08 , B22F2003/1053 , B23K20/227 , Y10S75/95 , Y10T428/12063 , Y10T428/12757 , Y10T428/12917
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公开(公告)号:US3048892A
公开(公告)日:1962-08-14
申请号:US82004459
申请日:1959-06-12
Applicant: COPPERWELD STEEL CO
Inventor: DAVIS JR DEXTER C , FREEMAN JOHN F , KURA JOHN G
CPC classification number: B22F7/08 , B23K35/404
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公开(公告)号:US3281918A
公开(公告)日:1966-11-01
申请号:US42805165
申请日:1965-01-26
Applicant: COPPERWELD STEEL CO
Inventor: LEIB FRANCIS E , KURA JOHN G
CPC classification number: C23C2/38 , B21C23/24 , B22D11/00 , Y10T29/49982 , Y10T29/5198
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