Textiles: spinning – twisting – and twining – Apparatus and processes – Covering or wrapping
Patent
1976-03-01
1977-10-25
Petrakes, John
Textiles: spinning, twisting, and twining
Apparatus and processes
Covering or wrapping
84297S, 242 701, B65H 8106, G10D 310
Patent
active
040550389
ABSTRACT:
An apparatus for wrapping strings for musical instruments in which the various parameters influencing the quality of the string are accurately controlled, the apparatus comprising an elongated track mounting an opposing pair of heads having rotatable shafts to which the opposite ends of a core wire are fastened, the shafts being rotated in unison by a pair of electronically controlled stepping motors, means being provided to tension the core wire between the heads, the wrapping wire being fed into contact with the core wire by a vertically disposed feed arm suspended from an overhead carriage traveling lengthwise of the track member, the wrapping wire being fed to the feed arm from a source of supply and, as an incident of such feeding, a predetermined tension is applied to the wrapping wire, the feed arm including means for controlling the rate at which the feed arm advances and means for controlling the angle between the wrapping wire and the core wire, the track member also mounting adjustable anvils for forming flats at the opposite ends of the portion of the core wire being wrapped, together with indicia for accurately positioning the operating components of the apparatus relative to the core wire being wrapped.
REFERENCES:
patent: 584708 (1897-06-01), Schaff
patent: 635039 (1899-10-01), Emerson
patent: 1102233 (1914-07-01), Biava
patent: 2334880 (1943-11-01), Marlow
patent: 2342342 (1944-02-01), Hotchkiss, Jr. et al.
patent: 3035395 (1962-05-01), Bohannon, Jr.
patent: 3368268 (1968-02-01), Sherman
patent: 3381459 (1968-05-01), Vawter
patent: 3391874 (1968-07-01), Vinciguerra
patent: 3990220 (1976-11-01), Chaffee
D. H. Baldwin & Company
Petrakes John
LandOfFree
Apparatus for wrapping strings for musical instruments does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Apparatus for wrapping strings for musical instruments, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Apparatus for wrapping strings for musical instruments will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-117842