US3589612A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Modular liquid spray gun
Assignee: Prismo Universal Corp
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Filing: 1969-12-22
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Granted: 1971-06-29
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Expires: 1989-12-22
Abstract
Abstract A liquid spray gun which may be used in road-striping equipment and which can be assembled from a group of modules or interchangeable units. Utilizing some modules in common and some modified modules a variety of configurations can be formed including single-gun, double-body, double-nozzle or heated gun forms.
Inventors
- 👤 William R Shaffer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 17:48
CPC Classifications
E; E01; E01C; E01C23/00; E01C23/16; E01C23/20; E01C23/22; B; B05; B05B; B05B7/00; B05B7/02; B05B7/08; B05B7/0876; B05B7/12; B05B7/1254; B05B7/1263; B05B1/00; B05B1/30; B05B1/3033; B05B1/304; B05B1/3046; B05B1/306
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
162 words
A modular liquid spray gun of interchangeable units comprising a needle valve assembly unit having a valve at one end and a piston adjacent its opposite end connected by a stem. an operator body means in modular form adapted for receiving said piston end of said needle valve assembly and said piston, a packing body means in modular form connected to said operator body means and having packing retainer means receiving and aligning said stem of said needle valve assembly extending therethrough, fluid body means in modular form to receive the material to be sprayed and insert it in the spray gun, air cap and fluid tip adapter means in modular form to connect a nozzle of the spray gun to said fluid body means and having an air cap attached to said air cap adapter means attached to said fluid tip adapter means, each of said operator body means, packing body means, and fluid body means being of separate block form.
Claim 2
Dependent Claim
162 words
A modular liquid spray gun of interchangeable units comprising a needle valve assembly unit having a valve at one end and a piston adjacent its opposite end connected by a stem. an operator body means in modular form adapted for receiving said piston end of said needle valve assembly and said piston, a packing body means in modular form connected to said operator body means and having packing retainer means receiving and aligning said stem of said needle valve assembly extending therethrough, fluid body means in modular form to receive the material to be sprayed and insert it in the spray gun, air cap and fluid tip adapter means in modular form to connect a nozzle of the spray gun to said fluid body means and having an air cap attached to said air cap adapter means attached to said fluid tip adapter means, each of said operator body means, packing body means, and fluid body means being of separate block form.
Claim 3
Dependent Claim
37 words
The modular liquid spray gun of claim 1, further characterized by said stem extending said valve into said fluid tip and said fluid tip adapted for seating said valve when said valve is in the closed position.
Claim 4
Dependent Claim
41 words
The modular liquid spray gun of claim 2, further characterized by said fluid body means having a passage thereinto to admit air under pressure with a passage therethrough into said air cap adapter means around the periphery of said fluid tip.
Claim 5
Dependent Claim
45 words
The modular liquid spray gun of claim 1, further characterized by said packing body means having at least one packing retainer, interfitting packing discs in said at least one packing retainer in two sets with said sets separated by a spring in said packing retainer.
Claim 6
Dependent Claim
95 words
The modular liquid spray gun of claim 1, further characterized by an additional group of operator body means, packing body means, and fluid body means with a needle valve assembly unit passing therethrough and connected in a like manner to the connection of said first mentioned operator body means, packing body means, fluid body means, and said needle valve assembly, each of said fluid body means mounted on an adapter body means, said air cap and fluid tip adapter means attached to the opposite side of said adapter body means from said fluid body means.
Claim 7
Dependent Claim
34 words
The modular liquid spray gun of claim 5, further characterized by each of said fluid body means having a valve seat at its base to receive said valve of said respective needle valve assembly.
Claim 8
Dependent Claim
52 words
The modular liquid spray gun of claim 6, further characterized by said adapter body means having an air inlet passage connecting the opening through each of said valve seats to said fluid tip, and an additional air inlet passage in said adapter body means connected outside the periphery of said fluid tip.
Claim 9
Dependent Claim
74 words
The modular liquid spray gun of claim 1, further characterized by an additional group of operator body means, packing body means, and air cap and fluid tip respectively attached thereto, and with a needle valve assembly passing thErethrough, said fluid body means being a manifold having each packing body means mounted thereon, each said needle valve assembly passing through said manifold whereby said manifold receives the material to be sprayed by both fluid tips.
Claim 10
Dependent Claim
57 words
The modular liquid spray gun of claim 8, further characterized by each of said air cap and fluid tip adapter means attached to said manifold on the opposite side from said packing body means by an adapter body means, each said adapter body means having an air inlet passage connected outside the periphery of said fluid tip.
Claim 11
Dependent Claim
38 words
The modular liquid spray gun of claim 1, further characterized by said fluid body means including passageways connected to a source of heated fluid positioned to heat the material to be sprayed received by said fluid body means.
Claim 12
Dependent Claim
47 words
The modular liquid spray gun of claim 10, further characterized by said air cap and fluid tip adapter means including passageways connected to a source of heated fluid positioned to heat the material to be sprayed as it passes through said fluid tip and said air cap.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-06-28 | 1974-12-28 | 1975-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-06-28 | 1978-12-28 | 1979-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-06-28 | 1982-12-28 | 1983-06-29 | $7700.00 | Window Closed / Lapsed |