| 摘要 |
PROBLEM TO BE SOLVED: To solve a problem wherein in a conventional endless printing belt for a rotary stamp, only a bent face between pedestals or chamfering of a flat face cannot sufficiently reduce stress concentration on a crossing square part, thus, causing cracks on the cross square part due to use for a long time. SOLUTION: In this endless printing belt for a rotary stamp having a plurality of pedestals and printing portions formed on a belt base material, intervals between the pedestals are formed to have an approximately circular shape. The endless printing belt for the rotary stamp comprises a porous material including continuous air bubbles. COPYRIGHT: (C)2010,JPO&INPIT
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