Mold conditioning sheet and method of mold conditioning
AssigneeNippon Carbide Kogyo Kabushiki Kaisha
InventorsKiyohito Hiromitsu, Hiroaki Nomura
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Abstract
A mold conditioning sheet comprising at least two base sheets and a mold conditioning component (or a mold conditioning component and a molding member) enclosed between the base sheets. The base sheet as an upper side layer or an outermost layer is a fibrous base sheet having a porosity of 70% or more, and the base sheet as a lower side layer is a fibrous base sheet having a porosity of 40% or less and/or a heat-resistant film.
Claims10
1-12. (canceled)
A mold conditioning sheet comprising at least two base sheets, a mold conditioning component and a molding member, the mold conditioning component and the molding member being enclosed between the two base sheets;
- characterized in that the base sheets have a structure in which the base sheets include a fibrous base sheet having a porosity of 70% or more as an outermost layer of the mold conditioning sheet, and the molding member is unvulcanized synthetic rubber and/or natural rubber, does not contain a vulcanizing agent and is heat melted during molding of said mold conditioning sheet.
A mold conditioning sheet comprising at least two base sheets, a mold conditioning component and a molding member, the mold conditioning component and the molding member being enclosed between the two base sheets;
- characterized in that the base sheets have a structure in which the base sheets include a fibrous base sheet having a porosity of 70% or more as an upper side layer or an outermost layer of the mold conditioning sheet and a fibrous base sheet having a porosity of 40% or less and/or a heat-resistant film as a lower side layer of the mold conditioning sheet, and the molding member is unvulcanized synthetic rubber and/or natural rubber, does not contain a vulcanizing agent and is heat melted during molding of said mold conditioning sheet.
Dependencies are inferred from the claim text.