Dispensing – Outlet element operated by pressure of contents – Reciprocable – nonpivoted
Patent
1993-11-18
1995-07-18
Kashnikow, Andres
Dispensing
Outlet element operated by pressure of contents
Reciprocable, nonpivoted
425 12, B65D 572
Patent
active
054333547
ABSTRACT:
The surface port device has a tube with a throughbore between its inlet and outlet ends, and an enlarged flat base at the outlet end, suited to be bonded by adhesive securely to a structure surface with the tube bore aligned over a surface crack. The inlet tube end is stepped, having several adjacent generally cylindrical axially extended land areas of progressively smaller diameters I.D. in moving downstream toward the outlet end. The land areas are sized both in diameter and axial length to correspond to certain more common generally cylindrical land areas of conventional available material mixing/dispensing tubes proximate the outlet nozzles thereof. This allows the establishment of a mechanically sound leakproof separable joint between the material dispensing tube end the surface port device. A captive check ball in the tube bore automatically can be shifted between opening the port bore or closing it to preclude material backflow. A cap can cooperate snuggly with the port bore land area for mechanically positive bore port closure, while further unseating the ball check to bleed the port bore beforehand.
REFERENCES:
patent: 1530112 (1925-03-01), Densmore
patent: 3344963 (1967-10-01), Wynes et al.
patent: 4047497 (1977-09-01), Grobler
patent: 4961883 (1990-10-01), Jacino et al.
patent: 5015014 (1991-05-01), Sweeney
patent: 5018555 (1991-05-01), Hawerkamp
patent: 5069836 (1991-12-01), Werner et al.
Cole Louis F.
Jacobsen Kenneth H.
Derakshani Philippe
Kashnikow Andres
Lind Charles F.
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