BLANK PLUG
PROBLEM TO BE SOLVED: To provide a blank plug with a long lifetime, capable of being smoothly drawn out from a through-hole of a fitting wall portion without being damaged. SOLUTION: The blank plug made of elastic rubber has an insertion cylinder portion inserting from one surface side of a fitting...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | PROBLEM TO BE SOLVED: To provide a blank plug with a long lifetime, capable of being smoothly drawn out from a through-hole of a fitting wall portion without being damaged. SOLUTION: The blank plug made of elastic rubber has an insertion cylinder portion inserting from one surface side of a fitting wall portion having a circular through-hole to the other surface side and engaging at a corner portion of an opening end of the through-hole of the other surface side. The insertion cylinder portion 11 to the through-hole 8 of the fitting wall portion 7 has a horn shape whose wall thickness T is uniform. COPYRIGHT: (C)2010,JPO&INPIT |
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