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Faucet sealing

a faucet and sealing technology, applied in the field of faucet sealing, can solve the problems of unwanted early wear and seal failure, and achieve the effect of improving the sealing of conventional faucets

Inactive Publication Date: 2006-10-05
HOEPTNER HERBERT W
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

"The invention provides improved faucet sealing means to solve the problems of conventional faucets. It includes a valve stem with a metallic surface engaging a seat, and an elastomeric O-ring seal engaging the flow bore. The O-ring is retained by a screw head, which prevents water pressure deflection of the seal. The invention also includes a method for repairing faucets with a seat, valve stem, and O-ring seal. The technical effects of the invention include improved faucet sealing and a simplified repair process."

Problems solved by technology

Repeated faucet opening and closing often led to unwanted early wear and seal failure.

Method used

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  • Faucet sealing
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Examples

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Embodiment Construction

[0017] Referring first to FIGS. 1 and 1a, an existing faucet 10 includes a body 11 defining upper and lower interior chambers 12 and 13. Inlet 14 delivers liquid such as water to chamber 13, for controlled flow through a bore 15 in interior wall 16. An upwardly projecting annular valve seat 17 is formed at the upper end of the bore. When the valve is opened, liquid flows through the bore and past the seat to upper chamber 12, and discharges at spout 19.

[0018] A valve stem 30 is movable upwardly to open the valve, and downwardly to close the valve. Handle 22 is rotatable to control upward and downward stem movement, and interengaged threads 23 and 24 carried on the stem and on the body offset stem movement, as the handle is rotated.

[0019] Referring to FIG. 1a, an annular rubber washer 25 is carried by the stem 30 to downwardly engage the seat 17, for sealing. A screw 26 holds the washer in position, within a cavity 27 in a stem flange 28. Skirt 29 bounds the washer periphery. The w...

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PUM

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Abstract

A faucet improvement including a seat defining a bore, and a valve stem movable toward and away from the seat, comprising a shoulder screw threadably attachable to the stem, and having a head located in the bore, a shank, and a non-metallic O-ring extending about the screw shank to be retained in the bore between the screw head and the valve stem, the O-ring sized to seal off between the shank and the bore.

Description

BACKGROUND OF THE INVENTION [0001] This invention relates generally to sealing of faucets, when closed, and more particularly to replacement of seals in faucets, to achieve superior sealing performance. [0002] In the past, faucet seals were typically flat-sided, annular in shape, for pressing of a flat side against an annular metallic seat; or washer, when the seal was displaced axially as during faucet closing. Such annular, flat-sided seals depended upon substantial axial force exertion of a valve stem to develop seal deformation and sealing, and such force exertion increased the development of rubbing friction at interengaged rubber and metallic pressure transmitting surfaces, during relative rotation of such surfaces. Repeated faucet opening and closing often led to unwanted early wear and seal failure. A long felt need has existed for a solution to such conventional faucet seal wear and required replacement. SUMMARY OF THE INVENTION [0003] It is a major object of the invention ...

Claims

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Application Information

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Patent Type & Authority Applications(United States)
IPC IPC(8): F16K1/48
CPCF16K1/04F16K1/48F16K1/36Y10T137/0491Y10T137/6014
Inventor HOEPTNER, HERBERT W.
Owner HOEPTNER HERBERT W