公开(公告)号：US3698963A

公开(公告)日：1972-10-17

申请号：US3698963D

申请日：1970-09-21

Applicant: BRUNSWICK CORP

Inventor： NUNES JOHN ,  MARTIN ALBERT D

IPC: C21D8/00 ,  C21D9/02 ,  C21D7/02

CPC classification number: C21D8/005 ,  C21D9/02 ,  Y10T428/12486 ,  Y10T428/12924 ,  Y10T428/12937 ,  Y10T428/12979

Abstract: AN ULTRAHIGH STRENGTH MATERIAL MADE FROM ORDINARY 188 STAINLESS STEEL HAS A TENSIL STRENGTH IN EXCESS OF 400,000 P.S.I. THE METHOD OF PRODUCING THE ULTRAHIGH STRENGTH IS ACCOMPLISHED BY THERMO-MECHANICAL OPERATIONS. THE MATERIAL CAN HAVE ANY DESIRED GEOMETRIC CROSS SECTION CONFIGURATION AND IS ADAPTABLE FOR USE AS A SPRING MATERIAL.

公开(公告)号：US3540114A

公开(公告)日：1970-11-17

申请号：US3540114D

申请日：1967-11-21

Applicant: BRUNSWICK CORP

Inventor： ROBERTS PETER R ,  MARTIN ALBERT D

IPC: B21C37/04 ,  B23P17/00

CPC classification number: B21C37/047 ,  Y10T29/49014 ,  Y10T29/49801 ,  Y10T29/49982 ,  Y10T428/12431

公开(公告)号：CA905341A

公开(公告)日：1972-07-18

申请号：CA905341D

Applicant: BRUNSWICK CORP

Inventor： ROBERTS PETER R ,  MARTIN ALBERT D

IPC: B21C37/04 ,  B23P17/00