U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Sinking/floating rope

Patent 5131218 Issued on July 21, 1992. Estimated Expiration Date: Icon_subject July 16, 2010. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

1602312

2520654

2562340

2591628

3201930

Fabric suitable for making sandbags and method for making the same
Patent #: 4267864
Issued on: 05/19/1981
Inventor: Kocay

Wire rope
Patent #: 4827708
Issued on: 05/09/1989
Inventor: Verreet

Reinforced dry laid fibrous webs Patent #: 4902552
Issued on: 02/20/1990
Inventor: Sorenson

Inventor

Assignee

Application

No. 553872 filed on 07/16/1990

US Classes:

57/211, Plied43/44.98, Lines and/or leaders57/206, Longitudinal variation57/231, Stranded layer57/237Cabled or cord type (i.e., plied plies)

Examiners

Primary: Stodola, Daniel P.
Assistant: Stryjewski, William

Attorney, Agent or Firm

Foreign Patent References

  • 0058134 JP 12/13/1982

International Classes

D02G 003/36
A01K 091/00

Abstract

A unique fishing rope comprising floating and sinking portions. The sinking portion blended yarns made up of a blend of first and second non-metallic synthetic filaments in proportions to yield a sinking rope portion having a specific gravity greater than one. The sinking rope portion comprises strands having yarns of substantially the same diameter. The floating portion of the rope is formed by replacing selected ones of the blended yarns in each strand with yarns formed of a material having a specific gravity of less than one. The replacement yarns and the blended yarns are of the same diameter to enhance the integrity and strength of the rope. The yarns omitted from the sinking section and replaced with the yarns having a specific gravity less than one are terminated at staggered intervals and their replacement yarns are inserted at like staggered intervals forming a merged region between the sinking and floating portions having a tensile strength which is equivalent to the tensile strength of the sinking and floating portions. The rope material sensitive to ultraviolet radiation is surrounded and thus protected by the material resistant to ultraviolet radiation. The ultraviolet sensitive material may also be treated with a stabilizer material which enhances resistance to ultraviolet radiation.

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