Snap fastener, in particular as a necklace fastener
DE3047032A1
Setting machine for placing stones in claws - has transversely movable jaws for enclosing claws without crushing stone
DE3032011A1
Setting machine for jewels - consists of head with jaws and levers actuated by piston
DE3006851A1
Press button fastener used as jewellery clasp - has transverse bridge and U-spring in socket receiving stud allowing small overall design
DE2902181A1
Press-button fastening for necklace - has profiled throat acting on locking spring and requiring rotation for release
DE2831216A1
Appts. for producing large radial pressures esp. for diamond prodn. - with pressure generated by two concentric rings of segments with external hydraulic chamber
DE2636660A1
Positioner for decorative tiles - consists of head with plunger, support pipe and sensor and it incorporates radial slots for grip plates
DE2534189A1
Small noble metal parts for jewellery - made by pressure casting in automatic machine with low loss of expensive metals
DE2512219A1
Radial clamping and pressure unit - has segments in mounting ring with annular passage and thrust inwards
GB1242369A
Ornamental element for use in manufacturing ornaments and method of manufacturing ornaments
