专利名称：Spraying device发明人：Billy N. Nilson申请号：US05/805443申请日：19770610公开号：US04146182A公开日：19790327
摘要：A double-walled spraying device having an air space in an outer containerformed between resilient side walls, the inner side wall forming an inner containerholding a fluid to be sprayed, and an outer container holding air. The top of the device isalso double-walled, the inner top wall being substantially rigid and the outer top wallincluding an annular diaphragm which is conically convex in the normally closed positionof the diaphragm. The space between the two top walls comprises a mixing chamberaccessible to the fluid in the inner container and to air under manual pressure from theouter container to form a spray through a perforated dome.
申请人：KENOVA AB
代理机构：Finnegan, Henderson, Farabow & Garrett
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