Back to results
US 10,300,728 B2Granted
Heat roller and printing apparatus including the same
AssigneeSCREEN Holdings Co., Ltd.
InventorsTakaharu Yamamoto, Junichi Shimizu, Shinsuke Yamashita
Life of this patent
Estimating the term…
Abstract
A heat roller 18 includes a roller body 25 and a halogen lamp 26, the roller body 25 is a hollow cylinder constituted of aluminum or an aluminum alloy, and a thermal conversion efficiency of light from the halogen lamp 26 is not less than 70%. A printing apparatus includes the heat roller 18 disposed at a downstream side in a conveyance direction of a conveyance path for a printing medium than a printing unit.
Claims2
A heat roller comprising;
- a hollow cylindrical roller body;
- and
- a halogen lamp disposed inside the roller body,
- wherein the roller body is constituted of aluminum or an aluminum alloy, and has at least one structure selected from a group consisting of:
- (1) needle-like structures with an aspect ratio of not less than 2 and not more than 30;
- (2) an anodic oxide film with a thickness of not less than 30 μm and not more than 100 μm;
- and
- (3) a composite coating film of fluororesin and ceramic, and
- wherein the at least one structure is formed on an inner peripheral surface to make a thermal conversion efficiency of light from the halogen lamp is not less than 70%.
6 more elements
Dependencies are inferred from the claim text.