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특허 상세정보

Flexible mold for making seamless sailboards

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B29C-033/50    B29C-065/02    B29C-031/30   
미국특허분류(USC) 264/511 ; 264/452 ; 264/554 ; 264/571
출원번호 US-0373832 (1989-06-29)
발명자 / 주소
인용정보 피인용 횟수 : 14  인용 특허 : 11
초록

Sailboards having a tucked rail are made from a flexible, resilient mold so that the seam of the board is along its bottom edge instead of at its point of greatest breadth. A flexible mold part having the contour of the sailboard to be produced has an opening smaller than the greatest breadth of the board. The mold is first flexed so that its opening is sufficiently wide to receive the blank that forms the body of the sailboard. Secondly, the blank is inserted into the flexed mold, and thirdly, the mold is released and its resiliency returns it to its or...

대표
청구항

A method of producing a seamless sailboard from a blank that is pervious to air, comprising the steps of: providing a flexible and resilient mold part having an internal cavity means of predetermined breadth and configuration and having an open end of less breadth than the breadth of said internal cavity means; providing a flat, laterally extending flange means about the peripheral border of said open end; increasing the breadth of said open end by flexing said mold part; introducing said blank into said internal cavity means; releasing said mold part so...

이 특허를 인용한 특허 피인용횟수: 14

  1. Zenkner, Grant C.; Thompson, Michael P.; Polk, Stanley F.. Apparatus and methods for processing composite components using an elastomeric caul. USP2009057534387.
  2. Roberts, Jr., Richard W.. Bathtub/shower tray support. USP2016039271610.
  3. Roberts, Richard W.. Bathtub/shower tray support. USP20181110130220.
  4. Mead, Kirby J.. Flexible male female mold for custom surfboard production. USP2003096623323.
  5. Mead, Kirby J.. Flexible male/female mold for custom surfboard production. USP2003056561118.
  6. Roberts, Richard W.. In-situ foam core structural articles and system for forming. USP2017069688046.
  7. David J. Lundin ; Kevin M. Eliason. Method and apparatus for seamless microreplication using an expandable mold. USP2002046379592.
  8. Lundin David J. ; Eliason Kevin M.. Method and apparatus for seamless microreplication using an expandable mold. USP2000066077462.
  9. Schiava, Martin; France, John Richard; Klatzer, Martin; Lubitsch, Klaus. Plate-like element for supporting or bearing an object, and method for production of the same. USP2013028381663.
  10. Kramers, Dirk. Process for fabricating a rowing shell. USP2003046540954.
  11. Dixon, Peter G. C.. Processes and systems for manufacturing spars and other hollow structures. USP2014068758006.
  12. Roberts, Jr., Richard W.. Recyclable plastic structural articles and method of manufacture. USP2016059346237.
  13. Roberts, Richard W.. Recyclable plastic structural articles and method of manufacture. USP20190210207606.
  14. Roberts, Jr., Richard W.. Structural plastic articles, method of use, and methods of manufacture. USP2016039272484.