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:
Dec. 17, 1996
Filed:
Jun. 07, 1995
Applicant:
Inventors:
Jorgen Petersen, Sundsvall, SE;
Lars-Olov Svedberg, Kvissleby, SE;
Assignee:
Casco Nobel AB, Stockholm, SE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08J / ;
U.S. Cl.
CPC ...
425 / ; 222412 ; 264 51 ; 264415 ; 4251744 ; 425404 ; 425445 ; 425D / ;
Abstract
An apparatus for producing expanded thermoplastic microspheres, including a belt conveyor (A) having an endless belt (1) for conveying microspheres. A device (B) for infrared (IR) heating, including a plurality of IR lamps (4) is located above the belt (1). A dosing device (C) for the dried unexpanded microspheres is located at one end of the belt conveyor and in conjunction with the belt (1). A collecting device (D) for expanded microspheres is located at the other end of the belt conveyor and in conjunction with the belt (1).