Patent ID: 11931924
Assignee: NIPPON ELECTRIC GLASS CO., LTD.
Field: Other special machines (Mechanical engineering)
Classification: CPC B  G | IPC B

Claim 21:
22. A base for a flexible mold that is to be wound in an endless manner, the base comprising:
an intermediate sheet;
a first resin sheet arranged on a first main surface side of the intermediate sheet; and
a second resin sheet arranged on a second main surface side of the intermediate sheet,
wherein the intermediate sheet comprises:
a first spacer sheet, which is made of a resin, and is arranged at one end portion of the intermediate sheet in a winding direction of the base;
a second spacer sheet, which is made of a resin, and is arranged at another end portion of the intermediate sheet in the winding direction; and
a glass sheet arranged between the first spacer sheet and the second spacer sheet,

wherein each of first main surfaces of the first spacer sheet, the second spacer sheet, and the glass sheet is bonded to the first resin sheet through intermediation of a first bonding layer,
wherein each of second main surfaces of the first spacer sheet, the second spacer sheet, and the glass sheet is bonded to the second resin sheet through intermediation of a second bonding layer,
wherein a dimension of the first resin sheet in the winding direction is larger than a dimension of the glass sheet in the winding direction, and
wherein a dimension of the second resin sheet in the winding direction is larger than the dimension of the glass sheet in the winding direction.