Invention Grant
- Patent Title: High strength cord
- Patent Title (中): 高强度绳
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Application No.: US879860Application Date: 1997-06-20
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Publication No.: US06146760APublication Date: 2000-11-14
- Inventor: Farrel Bruce Helfer , Dong Kwang Kim , Robert Martin Shemenski , Italo Marziale Sinopoli , Guy Jeanpierre , Gia Van Nguyen
- Applicant: Farrel Bruce Helfer , Dong Kwang Kim , Robert Martin Shemenski , Italo Marziale Sinopoli , Guy Jeanpierre , Gia Van Nguyen
- Applicant Address: OH Akron
- Assignee: The Goodyear Tire & Rubber Company
- Current Assignee: The Goodyear Tire & Rubber Company
- Current Assignee Address: OH Akron
- Main IPC: B60C9/00
- IPC: B60C9/00 ; C22C38/02 ; D02G3/36
Abstract:
Steel reinforcing cords (36) having four or more filaments (38, 40, 42 and 44) in two groups, one twisted and the other untwisted with a filament tensile strength TS equal to K.sub.1 -K.sub.2 D where K.sub.1 =4080N/mm.sup.2, and D is a filament diameter in mm to form cords with a break load equal to N(720.40D.sup.2 -352.6D.sup.3 ; CE is the cord efficiency, D is the filament diameter in millimeters and N is the number of filaments.
Public/Granted literature
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