Title:
BULB FOR POWDER
Document Type and Number:
Japanese Patent JP2002267031
Kind Code:
A
Abstract:
To provide a bulb or powder capable of preventing the powder from being caught by using an elastic material in the bulb.
The flow of the powder can be prevented by the swelling of the bulb 2 by providing the bulb 2 having the elastic material on an inner surface of a device body 1.
Inventors:
SAITO TOMOKAZU
Application Number:
JP2001063904A
Publication Date:
September 18, 2002
Filing Date:
March 07, 2001
Export Citation:
Assignee:
RICOH KK
International Classes:
B65G65/40; F16K7/07; F16K7/10; (IPC1-7): F16K7/07; F16K7/10
Domestic Patent References:
| JPS597199U | 1984-01-18 | |||
| JPS4328174B1 |