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Title: US6588411: Method for manufacturing discrete compression molded archery bow limb portions and the archery bow limb portions produced thereby
[ Derwent Title ]


Country: US United States of America

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7 pages

 
Inventor: Simonds, Gary L.; Gainesville, FL

Assignee: Bear Archery, LLC, Gainesville, FL
other patents from BEAR ARCHERY LLC (803344) (approx. 5)
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Published / Filed: 2003-07-08 / 1996-09-27

Application Number: US1996000720044

IPC Code: Advanced: F41B 5/10;
IPC-7: F41B 5/00;

ECLA Code: F41B5/00A4D2B; F41B5/10;

U.S. Class: 124/023.1; 264/157; 264/325;

Field of Search: 124/23.1,86,88 156/169,173,175 264/157,297.5,324,325

Priority Number:
1996-09-27  US1996000720044

Abstract:     The method of the present invention comprises inserting a moldable slug having a plurality of longitudinally oriented resin impregnated predominantly glass fiber filaments into a bow limb profiling mold. The mold consists of two halves, the first half containing a female cavity and a second half having a matching fitted male section. The cavity receives a pre-determined volume and weight of continuous longitudinal fibrous reinforcement material and plastic resin matrix material. Heat and pressure are applied during initial curing and the uncured end is removed. The slug is then finally cured and the slug is severed to form a right limb portion and a left limb portion.

Attorney, Agent or Firm: Milton Wolson ;

Primary / Asst. Examiners: Ricci, John A.;

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First Claim:
Show all 11 claims
Having thus described the invention, what is claimed as novel and desired to secure by Letters Patent is:     1. A method of forming and providing discrete right and left archery bow limbs for a compound archery bow having a handle portion comprising the steps of:
  • a) forming a moldable slug composed of a plurality of longitudinally oriented resin impregnated glass fiber filaments;
  • b) disposing said slug into a compression mold assembly comprising a first mold and a second mold, a cavity in the first mold and a mating male member in the second mold, said cavity having a first cavity profiled to provide the configuration of the right limb portion and a second cavity in axial alignment with said first cavity and profiled to provide the left limb portion, said cavity and mating mold cooperating to form said slug into a right limb portion and a connected left limb portion;
  • c) curing said slug;
  • d) separating said slug into right and left archery bow limbs; and
  • e) attaching said right and left archery bow limbs to said handle in such a manner that the longitudinal axis of said right and left archery bow limbs are in parallel relationship with each other.


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Forward References: Show 3 U.S. patent(s) that reference this one

       
U.S. References: Go to Result Set: All U.S. references   |  Forward references (3)   |   Backward references (13)   |   Citation Link

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Patent  Pub.Date  Inventor Assignee   Title
Get PDF - 3pp US1810335* 1931-06 Barnhart    
Get PDF - 20pp US4350138  1982-09 Caldwell   Axially-split archery bow limb
Get PDF - 14pp US4414049  1983-11 Jones  Kelsey-Hayes Company Method of manufacture of an energy absorbing beam
Get PDF - 4pp US4644929  1987-02 Peck  Archery Designs, Inc. Limb structure for archery bows
Get PDF - 8pp US4649889  1987-03 Johnston  Precision Shooting Equipment Company Molded bow limb
Get PDF - 10pp US4659071  1987-04 Woltron  Isosport Verbundbautiele Ges. m.b.H. Process for producing a plastic leaf spring, as well as a plastic leaf spring appropriately manufactured according to this process
Get PDF - 9pp US4735667  1988-04 Johnston  Precision Shooting Equipment Company Molded bow limb method
Get PDF - 10pp US5141689  1992-08 Simonds  Bear Archery, Inc. Method for manufacturing a compression molded archery bow limb
Get PDF - 13pp US5429106  1995-07 Martin et al.  Martin Archery, Inc. Archery bow and limb system for an archery bow
Get PDF - 11pp US5720267  1998-02 Walk  Hoyt USA Archery bow with limb mounting pockets
Get PDF - 6pp US5722380  1998-03 Land et al.  High Country Archery, Inc. Split-limb compound archery bow
Get PDF - 8pp US5894835  1999-04 Simonds  Bear Archery, Inc. Method for manufacturing continuous compression molded archery bow limb portions and the archery bow limb portions produced thereby
Get PDF - 8pp US6142132  2000-11 Simonds  Bear Archery, Inc. Method for manufacturing continuous compression molded archery bow limb portions and the archery bow limb portions produced thereby
  * some details unavailable
       
Foreign References: None

Other Abstract Info: DERABS C1998-399691

Other References:
  • Hoyt USA 1996 Catalog, p. 3.
  • "Bow Report--High Country Split Force", Bowhunting World, Oct. 1996.


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