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US 7,306,171 B2Granted
Plural component spray gun for fast setting materials
AssigneeGraco Minnesota Inc.
InventorsMark T. Weinberger, Richard D. Anderson
Life of this patent
Estimating the term…
Abstract
A plural component spray gun (10) is designed for spraying quick setting materials such as foams and the like. A mix module (14) plastic material provides at least twice the life with ½ the wear of currently marketed mix modules and is made of poly ether ether ketone reinforced with graphite and PTFE lubricants.
Claims1
A spray gun for fast setting plural component materials, said spray gun comprising:
- a gun body connectable to first and second sources of plural component materials and having a port for each said component;
- a mix module located in said gun body, said mix module fluidly communicating with said ports and having a central bore for mixing said components, said mix module being constructed of a poly ether ether ketone reinforced with graphite and PTFE lubricants;
- and
- a purge rod moveable through said central bore.
1 more element
Dependencies are inferred from the claim text.