ES463482A1 - An improved pump for use with a container of liquid material. (Machine-translation by Google Translate, not legally binding)
- Google Patents
An improved pump for use with a container of liquid material. (Machine-translation by Google Translate, not legally binding)
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
AptarGroup Inc
Original Assignee
Emson Research Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from US05/765,701external-prioritypatent/US4274560A/en
Application filed by Emson Research IncfiledCriticalEmson Research Inc
Publication of ES463482A1publicationCriticalpatent/ES463482A1/en
An improved pump for use with a container of liquid material, for distributing and atomizing the liquid material without dripping, characterized in that it comprises: (a) a means for defining a pump chamber: (b) a flexible insertable annular seal that forms a narrow throat at the bottom of the chamber; (c) a pump stem having a piston at the end thereof positioned for reciprocal movement in the pump chamber; (d) the piston and the rod member have an axial passage therethrough; (e) a distributor outlet at the upper end of the passage and an axial distributor port placed below it; (f) a valve member having an upper portion cooperating with the axial port to close the port and a lower portion of cross section corresponding to that of the throat at least through an axial distance corresponding to that through which the distribution occurs. (Machine-translation by Google Translate, not legally binding)
ES463482A1977-02-081977-10-22An improved pump for use with a container of liquid material. (Machine-translation by Google Translate, not legally binding)
ExpiredES463482A1
(en)
A automatic regulation shutter valve system for quantizers, instillers or distributors of small amounts of liquids (Machine-translation by Google Translate, not legally binding)