ES249459A1 - Procedure and device for the manufacture of plaster boxes with truncated cone closure (Machine-translation by Google Translate, not legally binding)
- Google Patents
Procedure and device for the manufacture of plaster boxes with truncated cone closure (Machine-translation by Google Translate, not legally binding)
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STELZING OTTO
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STELZING OTTO
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Priority to ES0249459ApriorityCriticalpatent/ES249459A1/en
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Perforating, Stamping-Out Or Severing By Means Other Than Cutting
(AREA)
Abstract
Process and device for the manufacture of sheet metal boxes with truncated cone closure, which are characterized in that in the combined die for cutting, embossing and stamping, inverted conical washers are arranged together, which establish an elastic assembly that fixes the lid in the pylon, while with the concentric groove of the spring ring, they form when raising the punch with its strong lower spring lodged in the base of the matrix, the bead in the lower edge of the lid. (Machine-translation by Google Translate, not legally binding)
ES0249459A1959-05-181959-05-18Procedure and device for the manufacture of plaster boxes with truncated cone closure (Machine-translation by Google Translate, not legally binding)
ExpiredES249459A1
(en)