Metal working – Means to assemble or disassemble – Puller or pusher means – contained force multiplying operator
Patent
1989-12-06
1990-12-25
Echols, P. W.
Metal working
Means to assemble or disassemble
Puller or pusher means, contained force multiplying operator
63 51, 63 52, 59 792, 59 351, 29433, B21F 4300
Patent
active
049792768
ABSTRACT:
A method of manufacturing articles suitable as necklaces or bracelets, which consists of inserting on a core material which is provided in the form of a substantially cylindrically shaped helicoidal spring made of a spirally wound metal wire or a strap having a constant cross-section, a plurality of elements each consisting of a body member associated with one or more grommets or slots creating one or more closed apertures free end of the helicoidal spring is introduced through the annular spaces of a succession of elements and by causing the elements to slide toward the opposite end of the spring, so that they arrange themselves one next to the other.
REFERENCES:
patent: 326606 (1985-09-01), Tingley
patent: 331033 (1885-11-01), Chadwick
patent: 1147467 (1915-07-01), Varga
Chimento S.p.A.
Echols P. W.
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