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특허 상세정보

Method for making a stress-relieved composite foamed resin baseball bat or bowling pin

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B29D-027/04    A63B-059/06    A63D-009/00   
미국특허분류(USC) 264/467 ; 264/466 ; 264/469 ; 264/263
출원번호 US-0181175 (1980-08-25)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 31  인용 특허 : 3
초록

Composite bowling pins and baseball bats are formed with foamed, cured-in place plastic bodies securely adhered to a central aluminum core by a somewhat thermoplastic adhesive coating. The exothermic reaction attendant to curing the plastic so softens the adhesive coating that it does not interfere with shrinkage of the plastic body relative to the core. This minimizes stress concentrations in the composite construction which otherwise tend to lead to cracking in use.

대표
청구항

The method of making a molded composite baseball bat, bowling pin or like article having a body of cured-in-place foam plastic of a type which has an exothermic reaction and shrinks on curing comprising the steps of coating an elongated aluminum core with an adhesive of the type which at least partly softens at the temperature of such exothermic reaction and which at room temperature will securely bond foamed plastic to said core causing said coating to dry, mounting said coated core within a mold, foaming plastic material thereabout within the mold and ...

이 특허를 인용한 특허 피인용횟수: 31

  1. Barmakian Andrew. Apparatus for manufacturing a composite camel structure. USP2000046045346.
  2. Epling, Sean S.; Fritzke, Mark A.; Goodwin, Ty B.. Ball bat including a barrel portion having separate proximal and distal members. USP2014058715118.
  3. Epling, Sean S.; Fritzke, Mark A.; Goodwin, Ty B.. Ball bat including a barrel portion having separate proximal and distal members. USP2013088512174.
  4. Epling, Sean S.; Fritzke, Mark A.; Goodwin, Ty B.. Ball bat including a barrel portion having separate proximal and distal members. USP2013088512175.
  5. Eggiman Michael D.. Ball bat with insert. USP1999055899823.
  6. Guenther,Douglas G.; Fritzke,Mark A.; Gaff,Bradley L.; Eggiman,Michael D.. Bat handle with optimal damping. USP2008087410433.
  7. Guenther,Douglas G.; Fritzke,Mark A.; Gaff,Bradley L.; Eggiman,Michael D.. Bat having a flexible handle. USP2006087097578.
  8. Brian E. Higginbotham. Composite wrap bat. USP2002106461260.
  9. Higginbotham, Brian E.; Sutherland, Terry. Composite wrap bat. USP2005036869372.
  10. Higginbotham, Brian E.; Sutherland, Terry. Composite wrap bat with alternative designs. USP2004076761653.
  11. Ament Harold E. (Sandwich IL) Kirschner Frederick G. (Lagrange IL). Cushioned bat. USP1987114705273.
  12. March Frank A. (Leesburg VA) Taylor Robert B. (Winchester VA) Menge John H. (Winchester VA) Gould Russell J. (Mt. Prospect IL) Pontiff Thomas M. (Winchester VA). Elongated structural member and method and appartus for making same. USP1997075650224.
  13. Bohannan John R. (Bartlesville OK) Beever William H. (Bartlesville OK) Stirling J. Andrew (Bartlesville OK). Fiber reinforced article. USP1989074848745.
  14. Randall J. Philpot ; Daniel K. Buckmiller ; Eric Richard Welsh ; David Wayne Erickson. Fiber reinforced molded products and processes. USP2002036352485.
  15. Shiotani Tadahiko (Nagoya JPX) Watanabe I. (Nagoya JPX). Golf club head and process for its fabrication. USP1991014988104.
  16. Vermilye Michael L. (Redmond WA). Hybrid thrust reverser cascade basket and method. USP1989084852805.
  17. Vermilye Michael L. (Redmond WA). Method of making a cascade basket for a thrust reverser. USP1988024722821.
  18. Pfoertner Rolf F. K. G.,CAXITX VA 3X7. Method of making a cast urethane striking tool. USP2000086106755.
  19. Buckmiller Daniel K. ; Erickson David Wayne ; Olsen Douglas G. ; Philpot Randall J.. Net shape filament winding manufacturing process, articles made therefrom and composite bicycle fork and other components. USP2001076267399.
  20. Buckmiller, Daniel K.; Olsen, Douglas G.; Philpot, Randall J.. Net shape filament winding manufacturing process, articles made therefrom and composite bicycle fork and other components. USP2003126655707.
  21. Narazaki Norio,JPX ; Shiraishi Yutaka,JPX ; Kakinoki Osamu,JPX. Optimization of overmolding method for three-dimensional hollow molded article. USP1999085942169.
  22. Laure George R. (Kalamazoo MI). Plastic bowling pin. USP1988124793614.
  23. March Frank A. (Leesburg VA) Menge John H. (Winchester VA) Gould Russell J. (Mt. Prospect IL). Reinforced plastic piling and method and apparatus for making same. USP1997085658519.
  24. Lach, III, Theodore M.; Collins, Peter M. F.; Holm, Mark A.; Prancer, Jason R.. Sealing system and process therefor. USP2010077754129.
  25. Park, Seok Kyu; Cha, Woong Kil; Kim, Myong Deok. Structure of handgrip and method for fabrication of same. USP2005106954967.
  26. Steven C Udwin ; David Tarica. T-ball kit. USP200212D467494.
  27. Goodwin, Ty B.; Flood, Jeffrey A.; Fritzke, Mark A.; Mason, Glen R.. Tapered isolating element for a ball bat and system for using same. USP2017109802094.
  28. Goodwin, Ty B.; Flood, Jeffrey A.; Fritzke, Mark A.; Mason, Glen R.. Tapered isolating element for a ball bat and system for using same. USP2016019242156.
  29. Goodwin, Ty B.; Flood, Jeffrey A.; Fritzke, Mark A.; Mason, Glen R.. Tapered isolating element for a ball bat and system for using same. USP2017089731180.
  30. Chauvin Dewey ; Carlson Larry ; Filice Gary. Tubular metal bat internally reinforced with fiber and metallic composite. USP2000036042493.
  31. Buckmiller Daniel K. (Salt Lake City UT) Erickson David W. (Salt Lake City UT) Olsen Douglas G. (Salt Lake City UT) Philpot Randall J. (Salt Lake City UT). Vehicle Fork. USP1997035609349.