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:
Feb. 27, 1990
Filed:
Jul. 15, 1988
Herbert Mettenbrink, Lohne, DE;
Bramlage Gesellschaft mit beschrankter Haftung, Lohne/Oldenburg, DE;
Abstract
Dispensers for pasty compositions having a housing (1) with a piston (2) which is displaceable only in the emptying direction and an actuating handle (H) which is developed on a head piece (5) which can be pressed bellows-like in the direction towards the piston (2) and has a dispenser outlet opening (O) from which there extends, directed inwards, a tube (7) whose inner mouth-end (7') dips freely into the pasty composition in every position of the bellows (B). A structural shape which is simple to manufacture and nevertheless dependable in operation, comprises a flap valve (9) with passage opening lying in the direction of the tube (7) (arrow z), below the inner mouth-end (7') of the tube (7), in the cover (8) of the housing (1) from which a mounting collar (6) for the bellows (B) extends.