发明名称 Oyster opening tool for attachment to pneumatic hammer - has forged rounded tip with hexagonal handle
摘要 <p>The tool for the rapid opening of shells of japanese oysters, is some three times faster in operation than conventional hand tools; and is for attachment to a small hand held pneumatic hammer. The tool has a hexagonal haft (1) to prevent rotation of the blade and the blade has a demi-rounded tip. The tool is preferably fabricated from forged steel. This usage represents a unique application of a pneumatic drill and a suitable drill has a working pressure of 0 to 6 kg/cm2 and a proportional vibration of 0 to 3600 blow per minute. The tool travel is 15 mm maximum, and the length of the blade is 10 cm, with a flattened tip (3).</p>
申请公布号 FR2278454(A1) 申请公布日期 1976.02.13
申请号 FR19740011608 申请日期 1974.03.26
申请人 LAMY ANDRE 发明人
分类号 A22C29/04;B25D17/02;(IPC1-7):25D17/02 主分类号 A22C29/04
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