Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1976-08-13
1978-05-16
DiPalma, Victor A.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
63 2, 63 15, 63 23, B23P 1300
Patent
active
040890961
ABSTRACT:
In school jewelry such as school rings, bezel ring top keys, and ring top charms used as souvenirs and prom favors, a school ring top is provided having a beveled bezel and a stone with a faceted pavilion. The school ring top closely simulates the appearance of a die struck or cast ring top and provides clear and legible letters spelling out school-related information in its bezel which is made from a developed photographic film sheet with a reflecting backing layer. The bezel is slanted and of sufficient height for easy reading from a side view as well as a top view, and for accommodating a stone with a faceted pavilion. Three methods of making the miniature ring top are disclosed. One method includes doming the bezel by applying pressure to form a dome section, and then cutting a bezel out of the dome section. A second method includes cutting a bezel strip, removing a pie section from the bezel strip, and then doming by placing the ends of the pie section together. The third method includes doming and cutting the bezel substantially simultaneously in one operation so that the domed sections are never out of registration with the image on the bezel section of the photographic film sheet.
REFERENCES:
patent: 418674 (1890-01-01), Baynes
patent: 1996768 (1935-04-01), Ingman
patent: 2145071 (1939-01-01), Cave
patent: 2181507 (1939-11-01), Chickering
patent: 2302561 (1942-11-01), Libby et al.
patent: 3599359 (1971-08-01), Michael
patent: 3732134 (1973-05-01), Michael
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