US2019249361A1PendingUtilityA1

Coverbraided rope for pelagic trawls

59
Assignee: SAFWAT SHERIF ADHAMPriority: Jun 25, 2014Filed: Apr 23, 2019Published: Aug 15, 2019
Est. expiryJun 25, 2034(~7.9 yrs left)· nominal 20-yr term from priority
Inventors:Sherif Safwat
D07B 5/005D07B 1/18D07B 2201/209A01K 75/00D07B 2501/2038D07B 2201/2086D04C 1/12D07B 2401/2055D07B 1/16D07B 2201/2098
59
PatentIndex Score
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Cited by
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References
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Claims

Abstract

A rope has a braided sheath that includes a spiraling strand having a greater pitch in comparison with a pitch exhibited by other strands of a coverbraid that encloses that rope's strength member core. The rope is useful for forming pelagic trawl mesh, and is stronger for a given amount of material, has less drag, and exhibits the same or bettered lift when towed through water at trawl mesh angles of attack. The rope also is less costly to manufacture in comparison to known helix rope constructions.

Claims

exact text as granted — not AI-modified
1 - 23 . (canceled) 
     
     
         22 . An improved rope ( 35 ) for forming portions of a trawl, the rope including at least one strength member ( 37 ), at least a braided sheath ( 398 ) formed about and enclosing the strength member ( 37 ), and at least one spiraling strand ( 36 ) where such spiraling strand ( 36 ) is larger in diameter than other strands ( 397 ) forming at least portions of the braided sheath ( 398 ), the rope characterized in that the spiraling strand is a preformed strand; and in that the spiraling strand is adhered to the outside of the braided sheath ( 398 ). 
     
     
         23 . The rope of  claim 22  wherein the amount of advance of the spiraling strand ( 36 ) in one turn about the strength member core ( 37 ) differs from an amount of advance of a strand ( 397 ) in one turn about the strength member core ( 37 ). 
     
     
         24 . The rope of  claim 23  wherein the amount of advance of the spiraling strand ( 36 ) is greater than the amount of advance of the strand ( 397 ) per unit length of the rope ( 35 ). 
     
     
         25 . The rope of  claim 22  wherein the spiraling strand ( 36 ) is adhered to the outside of the sheath ( 398 ) by use of an adhesive. 
     
     
         26 . The rope of  claim 23  wherein the spiraling strand ( 36 ) is adhered to the outside of the braided sheath ( 398 ) by use of an adhesive. 
     
     
         27 . The rope of  claim 24  wherein the spiraling strand ( 36 ) is adhered to the outside of the braided sheath ( 398 ) by use of an adhesive. 
     
     
         28 . The rope of  claim 22  wherein the spiraling strand is a monofilament. 
     
     
         29 . The rope of  claim 23  wherein the spiraling strand is a monofilament. 
     
     
         30 . The rope of  claim 24  wherein the spiraling strand is a monofilament. 
     
     
         31 . The rope of  claim 25  wherein the spiraling strand is a monofilament. 
     
     
         32 . The rope of  claim 26  wherein the spiraling strand is a monofilament. 
     
     
         33 . The rope of  claim 27  wherein the spiraling strand is a monofilament. 
     
     
         34 . The rope of  claim 22  wherein the spiraling strand is formed of a substance that has a different elasticity than a substance mainly forming the strand ( 397 ). 
     
     
         35 . The rope of  claim 22  wherein the spiraling strand is formed of a substance that, has a different elasticity than a substance mainly forming the strength member ( 37 ). 
     
     
         36 . The rope of  claim 23  wherein the spiraling strand is formed of a substance that has a different elasticity than a substance mainly forming the strand ( 397 ). 
     
     
         37 . The rope of  claim 23  wherein the spiraling strand is formed of a substance that has a different elasticity than a substance mainly forming the strength member ( 37 ). 
     
     
         38 . The rope of  claim 24  wherein the spiraling strand is formed of a substance that is more elastic than a substance mainly forming the strand ( 397 ). 
     
     
         39 . The rope of  claim 24  wherein the spiraling strand is formed of a substance that has a different elasticity than a substance mainly forming the strength member ( 37 ). 
     
     
         40 . The rope of  claim 25  wherein the spiraling strand is formed of a substance that is more elastic than a substance mainly forming the strand ( 397 ). 
     
     
         41 . The rope of  claim 25  wherein the spiraling strand is formed of a substance that has a different elasticity than a substance mainly forming the strength member ( 37 ). 
     
     
         42 . The rope of  claim 26  wherein the spiraling strand is formed of a substance that, is more elastic than a substance mainly forming the strand ( 397 ). 
     
     
         43 . The rope of  claim 26  wherein the spiraling strand is formed of a substance that has a different elasticity than a substance mainly forming the strength member ( 37 ). 
     
     
         44 . The rope of  claim 27  wherein the spiraling strand is formed of a substance that is more elastic than a substance mainly forming the strand ( 397 ). 
     
     
         45 . The rope of  claim 27  wherein the spiraling strand is formed of a substance that has a different elasticity than a substance mainly forming the strength member ( 37 ). 
     
     
         46 . The rope of  claim 28  wherein the spiraling strand is formed of a substance that is more elastic than a substance mainly forming the strand ( 397 ). 
     
     
         47 . The rope of  claim 28  wherein the spiraling strand is formed of a substance that has a different elasticity than a substance mainly forming the strength member ( 37 ). 
     
     
         48 . The rope of  claim 29  wherein the spiraling strand is formed of a substance that, is more elastic than a substance mainly forming the strand ( 397 ). 
     
     
         49 . The rope of  claim 29  wherein the spiraling strand is formed of a substance that has a different elasticity than a substance mainly forming the strength member ( 37 ). 
     
     
         50 . The rope of  claim 30  wherein the spiraling strand is formed of a substance that is more elastic than a substance mainly forming the strand ( 397 ). 
     
     
         51 . The rope of  claim 30  wherein the spiraling strand is formed of a substance that has a different elasticity than a substance mainly forming the strength member ( 37 ). 
     
     
         52 . The rope of  claim 31  wherein the spiraling strand is formed of a substance that is more elastic than a substance mainly forming the strand ( 397 ). 
     
     
         53 . The rope of  claim 31  wherein the spiraling strand is formed of a substance that has a different elasticity than a substance mainly forming the strength member ( 37 ). 
     
     
         54 . The rope of  claim 32  wherein the spiraling strand is formed of a substance that, is more elastic than a substance mainly forming the strand ( 397 ). 
     
     
         55 . The rope of  claim 32  wherein the spiraling strand is formed of a substance that has a different elasticity than a substance mainly forming the strength member ( 37 ). 
     
     
         56 . The rope of  claim 33  wherein the spiraling strand is formed of a substance that is more elastic than a substance mainly forming the strand ( 397 ). 
     
     
         57 . The rope of  claim 33  wherein the spiraling strand is formed of a substance that has a different elasticity than a substance mainly forming the strength member ( 37 ). 
     
     
         58 . A process for forming an improved rope ( 35 ) for forming portions of a trawl/ the rope including at least one strength member ( 37 ), at least a braided sheath ( 398 ) formed about and enclosing the strength member ( 37 ), and at least one spiraling strand ( 36 ) where such spiraling strand ( 36 ) is larger in diameter than other strands ( 397 ) forming at least portions of the braided sheath ( 398 ), the process comprising a step of preforming the spiraling strand ( 36 ), followed by a step of adhering the preformed spiraling strand ( 36 ) to the outside of the braided sheath. 
     
     
         59 . The process of  claim 58  wherein the step of adhering the preformed spiraling strand t;o the outside of the braided sheath comprises a further step of selecting an amount of advance for the spiraling strand ( 36 ) in one turn about the strength member core ( 37 ) different in comparison to an amount of advance selected for a strand ( 397 ) in one turn about the strength member core ( 37 ). 
     
     
         60 . The process of  claim 59  wherein the step of selecting an amount of advance for the spiraling strand ( 36 ) in one turn about the strength member core ( 37 ) comprises a further step of selecting an amount, of advance for the spiraling strand ( 36 ) that is a greater amount of advance than the amount of advance of the strand ( 397 ) per unit length of the rope ( 35 ). 
     
     
         61 . The process of  claim 58  further comprising a step of using an adhesive, to adhere the preformed spiraling strand ( 36 ) to the outside of the braided sheath. 
     
     
         62 . The process of  claim 58  further comprising selecting to form the spiraling strand of a substance that has a different elasticity than does a substance mainly forming the strand ( 397 ). 
     
     
         63 . The process of  claim 58  further comprising selecting to form the spiraling strand of a substance that is more elastic than a substance mainly forming the strand ( 397 ). 
     
     
         64 . The process of  claim 58  further comprising selecting to form the spiraling strand of a substance that has a different elasticity than a substance mainly forming the strength member ( 37 ). 
     
     
         65 . The process of  claim 64  further comprising selecting to form the spiraling strand of a substance that has a lesser elasticity than does a substance mainly forming the strength member ( 37 ). 
     
     
         66 . The process of  claim 58  further comprising selecting to form the spiraling strand as a monofilament. 
     
     
         67 . The process of  claim 55  further comprising selecting to form the spiraling strand as a monofilament. 
     
     
         68 . The process of  claim 60  further comprising selecting to form the spiraling strand as a monofilament. 
     
     
         65 . The process of  claim 61  further comprising selecting to form the spiraling strand as a monofilament. 
     
     
         70 . The process of  claim 62  further comprising selecting to form the spiraling strand as a monofilament. 
     
     
         71 . The process of  claim 63  further comprising selecting to form the spiraling strand as a monofilament. 
     
     
         72 . The process of  claim 64  further comprising selecting to form the spiraling strand as a monofilament. 
     
     
         73 . The process of  claim 65  further comprising selecting to form the spiraling strand as a monofilament.

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