Hydraulic jewelry press

Details Hydraulic jewelry press Hydraulic jewelry press

1987-04-03

1988-05-10

Jones, David

Metal deforming

By application of fluent medium, or energy field

With actuated tool engaging work

72 54, 72446, 72448, 72465, 29421R, B21D 2210

Patent

active

047427043

ABSTRACT:
A highly compact, bench mounted, fast cycle, high tonnage and soft punch type of hydraulic press designed to form thin metal blanks into a wide variety of artifacts such as jewelry. The under surface of the piston incorporates a counterbore containing a resilient urethane forming pad which, under very great pressure applied by the piston, imparts very fine detail, laterally as well as vertically, to the blank being formed into or over the die as the counterbore tightly envelopes the die. A rapid manually operated die shuttling device which provides for one die to be un-loaded and loaded as the blank of the other die is being pressed, and a rapid manually operated hydraulic valve actuating device, in combination with the piston's very short pressing stroke, effect a fast and safe operating cycle.

REFERENCES:
patent: 2606516 (1952-08-01), Raynes
patent: 3094956 (1963-06-01), Pauls
patent: 3180776 (1965-04-01), Hessel
patent: 3230869 (1966-01-01), Wilkins
patent: 4658618 (1987-04-01), Hellgren
ASEA Metallurgy Pamphlet AQ 30,-103E Edition 2, 9/84, pp. 8 & 9.

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