The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 27, 1981
Filed:
Oct. 10, 1979
Joseph A Lapointe, Pointe Claire, CA;
Domtar Inc., Montreal, CA;
Abstract
A debris separating chipper having a rotor with a cutting face and at least one knife mounted on the cutting face, a housing enclosing said rotor, a debris chamber in said housing having one wall thereof formed by said cutting face, a slot through said cutting face into a space, means for feeding logs to said cutting face, means for directing chips cut by said knife into said space, means for ejecting air out from said slot into said debris chamber, a debris outlet from said chipper for ejecting debris from said debris chamber and a separate chip outlet from said chipper adapted to communicate with said space for ejection of chips from said chipper. The air flow may be in some curves directed as a curtain across the slot to effect a further separation by deflecting lighter materials out of their normal trajectory into a dust chamber that empties into the debris chamber.