[특허]Apparatus for dispensing viscous materials

[미국특허] Apparatus for dispensing viscous materials 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B05B-007/30
출원번호	US-0303777 (1981-09-21)
발명자 / 주소	Denman Stephen A. (Centerville OH)
출원인 / 주소	Tekex Company (Dayton OH 02)
인용정보	피인용 횟수 : 56 인용 특허 : 0

초록 ▼

A pneumatic, syphon type apparatus particularly advantageous for dispensing and applying viscous materials in a spray form features, in a preferred embodiment, a throwaway eductor assembly which slip fits to the delivery end of a tubular structure adapted for connection to and delivery therethrough of air or other gaseous fluid under pressure. The eductor assembly comprises a tubular adapter extended at one end by an eductor tube and at the other by an applied nozzle and a syphon tube connected therewith to open to its interior adjacent the nozzle and at right angles thereto. In use of the apparatus the syphon tube is introduced to a body of the material to be dispensed as the end of the adapter including the nozzle is releasably coupled to the discharge end of the tube which is connected to a source of air under pressure. In preferred embodiments the tubular structure for delivering air, under pressure, to and through the nozzle of the eductor assembly mounts apparatus for the quick releasable coupling thereto of the container of a quantity of the material to be dispensed and applied by way of the eductor assembly in a spray form. The apparatus enables a quick substitution of one eductor assembly for another and one container of material for another.

대표청구항 ▼

Apparatus capable of use to effectively dispense viscous material in a spray form comprising a plurality of tubular elements the interior wall surface of each of which defines a bore open to each of its opposite ends, one of said elements providing an eductor tube and another a nozzle tube, said elements being constructed of disposable non-metallic material and being configured to have a direct axial application and telescopic interfit of one thereof to another to provide a unitized tubular structure wherein said nozzle and said eductor tubes are in a substantially coaxial relation, an opening being defined in one of said tubular elements adapting said tubular structure for the coupling thereto of a syphon tube, or its equivalent, which may be applied to place material to be dispensed in open communication with the bore of said eductor tube, said nozzle tube being adapted to be applied to the discharge end of a device capable of delivering therethrough a pressured flow of gaseous fluid, the bore of said nozzle being formed to receive and produce therein a substantially uniform flow of such gaseous fluid and to provide a high velocity discharge thereof to and through said eductor tube to draw thereto the material to be dispensed and carry it therewith through the bore of said eductor tube, said eductor tube being configured to provide that the material drawn thereto is influenced thereby to uniformly disseminate in the gaseous fluid and in the discharge thereof be uniformly dispersed in a manner to facilitate a controlled deposit thereof on a surface, as and when required said tubular elements including a third tube which bridges said eductor and nozzle tubes, said opening being a substantial radial opening in the wall of said third tube, a further small bore syphon or like tube applied within and in telescopically coupled relation to said tubular structure to have one end thereof positioned in means forming a radial extension of said opening and to extend therefrom for the placement of the bore thereof in open communication with materials to be dispensed, in which the opposite end of the syphon or like tube is immersed, and said further small bore tube having a portion thereof extended to project within the bore of said eductor tube at the end thereof which constitutes its inlet end, said portion of said small bore tube positioning in a substantially concentric spaced relation to the inner wall surface of said eductor tube and providing thereby that the gaseous fluid discharged from said nozzle tube is directed to move in a high velocity flow in surrounding relation to that portion of said further small bore tube within said eductor tube to induce the flow therethrough and therefrom of the material with which it has been placed in communication, the construction and arrangement providing for a dissemination of such material in the flow of the gaseous fluid discharged from said eductor tube.

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[미국특허] Apparatus for dispensing viscous materials 원문보기

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