B - Operations – Transporting – 27 – G
Patent
B - Operations, Transporting
27
G
B27G 13/02 (2006.01) B02C 18/14 (2006.01) B02C 18/18 (2006.01) B26D 1/00 (2006.01) B26D 1/38 (2006.01) B29B 9/06 (2006.01)
Patent
CA 2390422
A polymer cutter with a rotary cutting head (17) in which the cutting edges (20) are on the circumferential periphery of the head is described. The knife blades (18) on the rotary head have a knife angle (22) (as defined) of about 40~ to about 60~. The apparatus is especially useful for cutting hard and/or brittle thermoplastics and may be used for preparing polymer granules or pellets.
L'invention concerne un dispositif de coupe de polymère doté d'une tête de coupe rotative (17) dans laquelle les extrémités de coupe (20) sont réparties sur la périphérie circonférentielle de la tête. Les lames de couteaux (18) disposées sur la tête rotative font un angle de coupe (22) (comme défini) de 40· environ à 60· environ. L'appareil est particulièrement utile pour la coupe de thermoplastiques durs et/ou cassants et il peut être utilisé afin de préparer des granules ou des pastilles de polymères.
Fisher George F.
Waggoner Marion G.
E.i. Du Pont de Nemours And Company
Torys Llp
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