Winding – tensioning – or guiding – Helical or random winding of material – Including particular material to spool connection
Reexamination Certificate
2005-01-18
2009-10-20
Nguyen, John Q. (Department: 3654)
Winding, tensioning, or guiding
Helical or random winding of material
Including particular material to spool connection
C242S586000, C242S587000
Reexamination Certificate
active
07604196
ABSTRACT:
Coiling device (“R”) and relative method for a windable long, metal product (10). The device (“R”) comprises a mandrel (12) having a substantially circular transverse section and rotating around a horizontal, vertical or inclined axis, a containing element (13) to contain the metal product (10) arranged in correspondence with the mandrel (12) and substantially orthogonal to the axis, and at least a guide and containing device (15, 16) able to be driven between a first working position wherein it cooperates with the mandrel (12), and a second inactive position wherein it is arranged distant from the mandrel (12). The containing element (13) comprises an annular channel (14) made in proximity with an outer surface of the mandrel (12). The guide and containing device (15, 16) comprises a groove (20) which defines an accompanying guide for the metal product (10) along an outer circumference of the mandrel (12) towards the annular channel (14), when the guide and containing device (15, 16) is in the first working position.
REFERENCES:
patent: 3527077 (1970-09-01), Nargang
patent: 3592399 (1971-07-01), Woodrow
patent: 3945585 (1976-03-01), Moslener
patent: 7246767 (2007-07-01), Castellani
patent: 26 49 340 (1978-05-01), None
patent: 1 126 934 (2001-08-01), None
patent: 1 126 934 (2003-03-01), None
Bordignon Giuseppe
De Luca Andrea
Paiaro Ivan
Poloni Alfredo
Danieli & C. Officine Meccaniche SpA
Gottlieb Rackman & Reisman P.C.
Kruer Stefan
Nguyen John Q.
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