Method of producing lens sheet and projection screen

Details Method of producing lens sheet and projection screen Method of producing lens sheet and projection screen

B - Operations, Transporting

29

D

B29D 11/00 (2006.01) G02B 3/00 (2006.01) G02B 3/08 (2006.01) G03B 21/60 (2006.01) G03B 21/62 (2006.01)

Patent

CA 2243114

The material cost and the facility cost can be lowered, the lens portion of a molded product includes no bubble, continuous production is possible by using a mold, the productivity is improved, and the cost is lowered by the reduction of molds. A resin composition for tens sheets is applied to a mold with multiple nozzles spaced in a direction generally perpendicular to the application direction along the mold, and a base member is placed on the resin composition applied to the mold. A projection sheet is also disclosed.

Le coût des matières et des équipements peut être réduit, la partie lentille d'un produit moulé ne contient pas de bulle, une production continue est possible au moyen d'un moule, la productivité est améliorée, et les coûts sont réduits du fait de la réduction des moules. Une composition de résine pour feuilles de lentilles est appliquée à un moule au moyen de multiples buses espacées dans un sens généralement perpendiculaire au sens d'application, le long du moule, et un élément de base est placé sur la composition de résine appliquée au moule. Une feuille de projection est également décrite.

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