Production process for a core body of ski
Abstract
Abstract A PROCESS FOR PRODUCING A CORE BODY OF SKI COMPRISING THE STEPS OF PREPARING A COMBINED MOLD CONSISTING OF AN UPPER MOLD AND A LOWER MOLD CONSISTING OF AN CAVITY THEREBETWEEN IN SUCH A MANNER THAT THE VERTICAL MEASUREMENT OF THE CAVITY CONFORMS TO THE THICKNESS DISTRIBUTION OF THE DESIRED CORE BODY OF SKI, DISPOSING THE COMBINED MOLD OBLIQUELY SO THAT AN END THEREOF IS LOCATED AT A LOWER MOST POSITION, PROVIDING AN OPENING IN ONE PART OF THE UPPER MOLD EXTENDING FROM THE CENTER TO THE UPPER END OF THE OBLIQUENLY DISPOSED MOLD, POURING A HARD TYPE FOAMABLE RESIN INTO THE MOLDING CAVITY, CLOSING THE OPENING, FOAMING AND SOLIDIFYING THE RESIN THUS POROUED INSIDE OF THE MOLDING CAVITY, AND TAKING OUT THE CORE BODY THUS FORMED INTO OF THE MOLDING CAVITY.
Inventors
- 👤 Y Ishida
Bibliographic Details
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-05-14 | 1976-11-13 | 1977-05-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-05-14 | 1980-11-13 | 1981-05-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-05-14 | 1984-11-13 | 1985-05-15 | $7700.00 | Window Closed / Lapsed |