Disposable paint cup

Inactive Publication Date: 2005-11-24
ILLINOIS TOOL WORKS INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

[0006] Therefore, there remains a need for an im

Problems solved by technology

However, this creates random sidewall folds, forming pockets in which paint can become trap

Method used

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  • Disposable paint cup
  • Disposable paint cup
  • Disposable paint cup

Examples

Experimental program
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Example

[0026]FIGS. 1-3 show a first embodiment of paint supply assembly 45. The paint supply assembly includes disposable cup 55. Disposable cup 55 has a side wall 60 which is generally cylindrical. The outlet end 65 at the top of the cup is open, and the bottom 70 is closed. The side wall 60, outlet end 65, and bottom 70 define an interior 75.

[0027] The disposable cup has flexible side walls which are designed to allow the disposable cup to collapse with a minimum of folds and use almost all of the paint. The side walls adjacent to the outlet end and the bottom are thicker than the middle portion of the sidewall. With this arrangement, the cup appears almost to roll inside out as it collapses. The sidewall adjacent to the outlet end and the bottom can be about two to about three times thicker than the middle of the sidewall. For example, the sidewalls adjacent to the outlet end and the bottom can be about 0.006 in. to about 0.015 in., while the middle portion is about 0.003 in. to about ...

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PUM

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Abstract

A flexible, disposable cup. The disposable cup comprising a side wall, an open outlet end, and a closed bottom defining an interior, the sidewall having a first portion adjacent to the outlet end, a second portion adjacent to the bottom, and a third portion between the outlet end and the bottom, the first and second portions having a thickness greater than a thickness of the third portion.

Description

BACKGROUND OF THE INVENTION [0001] The present invention is directed generally to a fluid supply assembly for a fluid applicator, and more particularly to a disposable cup for a fluid supply assembly having varying sidewall thicknesses. [0002] Some fluid applicators, such as gravity feed paint spray guns, have a fluid supply cup mounted on top of the fluid applicator. The fluid supply cup is typically reusable. Fluid, such as paint, is generally measured and mixed in a separate container, and then poured into the fluid supply cup for use. The container for measuring and mixing must be either cleaned or disposed of. [0003] Reducing paint waste is an important consideration because the cost for a typical mixed paint is over $1.00 per fluid ounce. [0004] Attempts have been made to provide fluid supply assemblies which reduce the amount of wasted paint. For example, U.S. Pat. No. 5,582,350 describes a hand held spray gun with a top mounted paint cup. The paint can be sealed in a collaps...

Claims

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Application Information

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IPC IPC(8): B05B7/24B65D37/00
CPCB05B7/2478B05B7/2408B05B7/2481B05B7/24B65D37/00
Inventor KOSMYNA, MICHAEL J.WISNIEWSKI, RALPH A.
Owner ILLINOIS TOOL WORKS INC
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