Plastic and nonmetallic article shaping or treating: processes – With severing – removing material from preform mechanically,... – Making hole or aperture in article
Patent
1995-03-27
1996-12-31
Tentoni, Leo B.
Plastic and nonmetallic article shaping or treating: processes
With severing, removing material from preform mechanically,...
Making hole or aperture in article
264162, 264163, B29C 6700
Patent
active
055891233
ABSTRACT:
There is proposed a tubular supporting element of a sleeve for covering a junction of cables provided with a wall that has a non-passing incision directed according to a helical line, having a mouth with a width of less than 0.1 mm, preferably less than 0.05 mm, so as to accomplish a strip having a substantially rectangular cross-section; a process and an apparatus for accomplishing the abovementioned tubular element have also been developed.
REFERENCES:
patent: 3515798 (1970-06-01), Sievert
patent: 4179320 (1979-12-01), Midgley et al.
patent: 4389440 (1983-06-01), Keith
patent: 4503105 (1985-03-01), Tomioka
patent: 5087492 (1992-02-01), Vallauri et al.
EPO Search Reports (May 7, 1992 and Mar. 26, 1993).
Pirelli Cavi S.p.A.
Tentoni Leo B.
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