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.

Date of Patent:
Apr. 15, 1980

Filed:

May. 05, 1978
Applicant:
Inventors:

James F Albus, Newtown, PA (US);

Francis E Albus, Hatboro, PA (US);

Assignee:

Aljet Equipment Company, Willow Grove, PA (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B02C / ;
U.S. Cl.
CPC ...
241 39 ; 241-5 ;
Abstract

Significant improvement in the sharpness with which particles are classified by size in a recirculating jet mill is achieved by the provision of an elongated, flexible barrier strip located adjacent the outermost part of the wall of the classifier section. The positions of both ends of the strip are adjustable for controlling classification. The cross-section of the classifier section is pear-shaped, the narrow portion of the cross-section being toward the outside of the classifier section, and the barrier strip being within said narrow portion. An auxiliary outlet for large particles can be provided behind the barrier strip.


Find Patent Forward Citations

Albus, James. (1980). Jet mill (U.S. Patent No. 4198004). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/4198004

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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