Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
176 words
Coil winding system for winding, turn against turn, fine wires, in particular metal wires for continuous electric welding, comprising a spool (3) having a central core (4) for winding the wire, secured to lateral flanges (5), characterized by the fact that the central core (4) of the spool (3) is peripherally delimited by portions (4a) of surfaces, angularly spaced apart, in a circumferential direction, said core surfaces (4a) being provided with lateral edges (8) leading off from apertures (9) in the flanges (5) of the spool (3), and by the fact that a chuck (1) is provided for supporting the spool (3), having wire-supporting members (11) which can be removably inserted between the surface portions (4a) of the aforesaid core (4); each wire-supporting member (11) being externally provided with a cylindrical surface portion (11a) designed to complete the surface of the core (4) on which the wire is wound, said surface portion (11a) of each wire-supporting member (11) being provided with transversal grooves (13) having a spiral pattern, defining a winding path for the wire itself.
Claim 2
Dependent Claim
176 words
Coil winding system for winding, turn against turn, fine wires, in particular metal wires for continuous electric welding, comprising a spool (3) having a central core (4) for winding the wire, secured to lateral flanges (5), characterized by the fact that the central core (4) of the spool (3) is peripherally delimited by portions (4a) of surfaces, angularly spaced apart, in a circumferential direction, said core surfaces (4a) being provided with lateral edges (8) leading off from apertures (9) in the flanges (5) of the spool (3), and by the fact that a chuck (1) is provided for supporting the spool (3), having wire-supporting members (11) which can be removably inserted between the surface portions (4a) of the aforesaid core (4); each wire-supporting member (11) being externally provided with a cylindrical surface portion (11a) designed to complete the surface of the core (4) on which the wire is wound, said surface portion (11a) of each wire-supporting member (11) being provided with transversal grooves (13) having a spiral pattern, defining a winding path for the wire itself.
Claim 3
Dependent Claim
87 words
Coil winding system as claimed in claim 1, characterized by the fact that the wire-supporting members (11) are hinged on one end to a flange (10) secured to a control shaft (2), and are provided on the opposite end with sloping cam surfaces (11a) co-operating with cam means (16) on a flange (17) which is axially movable in opposition to the first flange (10), and locking means (19) for locking the movable flange (17) against a spool (3) with the wire-supporting members (11) in their expanded condition.
Claim 4
Dependent Claim
55 words
Coil winding system as claimed in claim 2, characterized by the fact that said cam means are made up of a set of protrusions (16) each provided with a sloping front surface, said protrusions (16) being situated on one side of the movable flange (17) with a circumferential arrangement concentric to the control shaft (2).
Claim 5
Dependent Claim
46 words
Coil winding system as claimed in claim 3, characterized by the fact that said sloping surfaces of the cams (16) controlling the wire-supporting members (11), are arranged according to the surface of a cone having its apex facing towards the fixed flange (10) of the chuck.
Claim 6
Dependent Claim
30 words
Coil winding system as claimed in claim 1, characterized by the fact that said wire-supporting members (11) are movable in radial planes comprising the longitudinal axis (2) of the chuck.
Claim 7
Dependent Claim
28 words
Coil winding system as claimed in claim 1, characterized by the fact that stop means (10b) are provided for holding the wire-supporting members (11) in their expanded condition.
Claim 8
Dependent Claim
36 words
7; Coil winding system as claimed in claim 1, characterized by the fact that the grooved surfaces (11a) of the wire-supporting members (11) succeed one another, alternating circumferentially with the core portions (4a) of the spool.
Claim 9
Dependent Claim
49 words
Coil winding system as claimed in claim 1, characterized by the fact that the spiral grooves (13) on the wire-supporting members (11) are equal in width to the nominal diameter of the wire to be wound, and equal or smaller in depth than one half of the aforesaid diameter.
Claim 10
Dependent Claim
34 words
Coil winding system as claimed in claim 1 and claim 8, characterized by the fact that said spiral grooves (13) have a pitch equal to the nominal diameter of the wire to be wound.
Claim 11
Dependent Claim
54 words
Coil winding system as claimed in claim 1, characterized by the fact that shoulder means (22a) for laterally supporting the wire to be wound are provided, and by the fact that means (20, 22) are provided for adjusting the position of said shoulder means (22a) in the direction of the axis of the chuck.
Claim 12
Dependent Claim
40 words
Coil winding system as claimed in claim 10, characterized by the fact that said shoulder means comprise shoulder elements (22a) arranged concentrically on a movable disc (22) in correspondence with apertures (9) in the lateral flanges (5) of the spool.
Claim 13
Dependent Claim
55 words
Coil winding system as claimed in claim 11, characterized by the fact that said shoulder supporting disc (22) is situated on the outer side of the movable flange (17), and by the fact that said shoulder elements (22a) protrude on the opposite side of the flange (17) through apertures (23) in the movable flange itself.
Claim 14
Dependent Claim
65 words
Spool for winding metal wires for continuous electric welding, comprising a central core (4) supporting the wire and lateral flanges (5), characterized by the fact that said core is made up of core sectors (4a) angularly spaced apart in a circumferential direction, said core sectors (4a) being delimited by flat lateral edges (8) leading off from apertures (9) in the flanges (5) of the spool.
Claim 15
Dependent Claim
65 words
Spool for winding metal wires for continuous electric welding, comprising a central core (4) supporting the wire and lateral flanges (5), characterized by the fact that said core is made up of core sectors (4a) angularly spaced apart in a circumferential direction, said core sectors (4a) being delimited by flat lateral edges (8) leading off from apertures (9) in the flanges (5) of the spool.
Claim 16
Dependent Claim
40 words
Spool as claimed in claim 13, characterized by the fact that the distance between the opposing edges (8) of two adjacent core sectors (4a) is equal to two or three times the circumferential width of the core sectors (4a) themselves.