Other

Yoshida Kogyo K.k.

Kenichi Shimizu

Shigeru Suzuki

Hideaki Yoshioka

Kenzo Kobayashi

A rolled screen drawer includes a take-up roll ( ) rotatably mounted on a support member ( ), a first screen ( ) wound on the outermost periphery of the take-up roll, at least one additional screen ( ) wound on an inside of the first screen, an engagement (Sa, Sb, Sc) capable of engaging the inside of the leading end of at least one additional screen with the outside of the first screen, and a leading member ( ) provided at the leading end of at least one additional screen. It is thus possible to selectively expose any desired screen to view.

Rolled screen drawer

The present invention provides a process for coloring titanium, or its alloys which comprises the steps of anodizing titanium metal, or its alloy in an electrolytic solution until the voltage reaches a predetermined voltage at a constant current temporarily cutting off the current supply to interrupt the anodizing; and then supplying a direct current again at a predetermined current density to continue anodizing, wherein the color tone of the anodic oxide film formed on the titanium or its alloy is adjusted by controlling the supplied amount of current, without causing an increase in voltage. By the coloring process of the present invention, the color of titanium metal or its alloys can be changed to various color tones at low voltages.

Process for coloring titanium and its alloys

Exposure system for image forming apparatus

A copier for providing photographic copies of different sized originals, having an optical system variable for altering the magnification of an original, a scale member movable to locate the end of each respective size of original on the copier, and a link mechanism intercoupling the optical system and the scale to automatically vary the system magnification in accordance with the location of the scale.

Growing community of inventors

Tokyo, Japan

Kenichi Shimizu