Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – Reshaping running or indefinite-length work
Patent
1991-09-27
1993-08-24
Silbaugh, Jan H.
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
Reshaping running or indefinite-length work
29 173, 264250, 264293, 264294, 425385, 425392, B29C 5904
Patent
active
052386422
ABSTRACT:
A process for producing markings or lines engraved on a sheet or a tubular piece (6) made of plastic material or multi-layered metal-plastic material less than 1 mm in thickness, in which the sheet or piece (6) is gripped between a tool (1) bearing one or more marking contour(s) (2, 3) and a resilient support (9), in order to produce the engraved markings or lines. The sheet or piece (6) is at less than 50.degree. C. during the gripping stage, and in the resilient support (9) has a Shore hardness D of between 70 and 120, the markings or lines obtained being produced by plastic deformation with elastic return.
REFERENCES:
patent: 570728 (1896-11-01), Goodwin
patent: 1856928 (1932-05-01), Pannier
patent: 1940767 (1933-12-01), Perkins
patent: 3129457 (1964-04-01), Carter et al.
patent: 3504067 (1970-03-01), Trecek
patent: 3839514 (1974-10-01), Nauta
patent: 4130623 (1978-12-01), Walter
patent: 4588465 (1986-05-01), Paciorek
patent: 4917903 (1990-04-01), Mente
Benquet Jacques
Schneider Bernard
Cebal SA
Silbaugh Jan H.
Vargot Mathieu
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