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William Phillips Thompson
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13,833. Thompson, W. P., [Lie, J.]. July 4. Cans and canisters. -In airtight boxes of metal, glass, earthenware, or celluloid, &c., the upper part of the body, and the lid, which are shaped as shown, and are cylindrical, h a v e oblique projections a, a<1>, which, when the lid is put on and rotated, engage with one another and force the bevelled parts b, b<1> against a packing-ring placed between them.
GB189913833D1899-07-041899-07-04Improvements in Means for Hermetically Closing Cylindrical Boxes.
ExpiredGB189913833A
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