公开(公告)号：US3209528A

公开(公告)日：1965-10-05

申请号：US27600963

申请日：1963-04-26

Applicant: ARMCO STEEL CORP

Inventor： ZERR CHARLES M

IPC: D07B1/06

CPC classification number: D07B1/0686 ,  D07B2201/1036

公开(公告)号：US3187466A

公开(公告)日：1965-06-08

申请号：US10284661

申请日：1961-04-13

Applicant: ARMCO STEEL CORP

Inventor： ZERR CHARLES M

IPC: D07B1/06 ,  E04C5/03 ,  E04C5/08

CPC classification number: D07B1/0693 ,  D07B2201/2002 ,  D07B2201/2024 ,  D07B2501/2023 ,  E04C5/03 ,  E04C5/08 ,  Y10T428/12333

Abstract: 1,007,032. Prestressing wires. ARMCO STEEL CORPORATION. April 10, 1962 [April 13, 1961], No. 13787/62. Heading E1K. [Also in Division D1] A stranded cable for prestressing concrete comprises wires 10, 11 laid helically, but retaining the same cross-sectional orientation throughout the length of the strand, i.e. being not pivoted about their own axes. Any crosssection other than a simple circle, may be used, and other examples shown are elliptical, triangular, square, hexagonal and oval. It is stated that a wire may contain 0À8% carbon, 0À7% Manganese, 0À01% Phosphorus, 0À033% Sulphur and 0À2% Silicon.