Invention Grant
- Patent Title: Pressurized dispenser for aqueous emulsion paints
- Patent Title (中): 用于水性乳液漆的加压分配器
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Application No.: US540812Application Date: 1975-01-14
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Publication No.: US4056213APublication Date: 1977-11-01
- Inventor: David Stern
- Applicant: David Stern
- Applicant Address: NY Jamaica
- Assignee: Martin Paint and Chemical Corporation
- Current Assignee: Martin Paint and Chemical Corporation
- Current Assignee Address: NY Jamaica
- Main IPC: B05B1/34
- IPC: B05B1/34 ; B05B11/00 ; B05B15/02 ; B65D83/14 ; B65D83/16 ; B65D35/28
Abstract:
The invention relates to an improved pressurized dispenser for aqueous emulsion paints whose vehicle consists of a major proportion of water and a minor proportion of an acrylic polymer or polyvinyl acetate-acrylic copolymer, the emulsion being discharged as a fine spray but without foaming and without clogging of the nozzle orifice by dried paint even after repeated fractional discharges. The paint is contained in a collapsible piston within the pressurized container and the stream of paint discharging upon opening of the valve of the container is broken up by a mechanical breaker before being discharged through the nozzle in the form of a fine spray devoid of propellant, the latter being contained under pressure between the piston and the wall of the container. Means are provided in the form of a cap for the nozzle so constructed so as to reduce or substantially eliminate the space about the nozzle after use of portions of the contents of the package to prevent drying out of any paint adhering to the nozzle and thereby clogging the nozzle.
Public/Granted literature
- US5853607A CVD processing chamber Public/Granted day:1998-12-29
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