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:
Oct. 03, 1989
Filed:
Sep. 29, 1988
Ronald M Randklev, White Bear, MN (US);
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Abstract
A mixing apparatus includes a capsule having two or more segments which nay be uncoupled or opened for adding additional ingredients to a pre-dosed ingredient just prior to the mixing operation. The capsule includes a port which is brought into registration with a vacuum port and an adjacent passageway carried by an arm of a dental amalgamator when the capsule is mounted on the arms, and sealing engagement of the perimeter of the capsule port with the port carried by amalgamator arm enables the establishment of sub-atmospheric pressure conditions within the capsule during the mixing operation. Optionally, the ingredients are mixed in a disposable ampule carried within the capsule, and vacuum conditions are established both internally and externally of the ampule for preventing unintentional compression of the ampule. The apparatus is particularly useful for mixing materials which, after mixing, have a consistency ranging from a light cream to a thick, viscous paste.