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US 5,928,803 AGranted
Temperature-sensitive reversibly deformable laminate
AssigneeThe Pilot Ink Co., Ltd.
InventorMichiyuki Yasuda
Life of this patent
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Abstract
A temperature-sensitive reversibly deformable laminate which is reversibly deformable towards both sides thereof with changes in temperature to take three states; an original state at room temperature, a contracted state at a low temperature, and an expanded state at a high temperature, wherein the laminate is composed of at least two resin layers having different coefficients of thermal expansion.
Claims12
A temperature-sensitive reversibly deformable laminate comprising:
- a plurality of resin layers having different coefficients of thermal expansion, said resin layers being bonded to each other;
- wherein said laminate is reversibly deformable towards both sides thereof with changes in temperature to take three states;
- an original state at room temperature, a contracted state at a low temperature, and an expanded state at a high temperature.
Dependencies are inferred from the claim text.