Patent US3684250A successfully refreshed from Google Patents.
US3684250A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Multi-component mixing apparatus
Assignee: Otto Engineering Inc
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Filing: 1970-06-24
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Granted: 1972-08-15
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Expires: 1990-06-24
Abstract
Abstract An apparatus for mixing a plurality of separate flowable materials in desired proportions. The apparatus includes a positive displacement piston pump for each material and a mixer. The piston displacement of each pump is regulated, either by an oil reservoir system or by adjustable crank arms, so that each pump delivers material in the proper proportion. The outlet of each pump is connected to the mixer, wherein the materials are thoroughly mixed by a rotating agitator vane and delivered as a thoroughly mixed composite of all of the individual materials.
Inventors
- 👤 John O Roeser
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 12:16
CPC Classifications
B; B29; B29B; B29B7/00; B29B7/30; B29B7/58; B29B7/60; B29B7/603; B01; B01F; B01F35/00; B01F35/71; B01F35/717; B01F35/7174; B01F35/80; B01F35/88; B01F35/882; B01F35/8822; B29B7/34; B29B7/38; B29B7/40; B29B7/404; F; F04; F04B; F04B7/00; F04B7/04
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
153 words
A mixing apparatus for mixing two or more materials comprising an elongated mixer housing providing a mixer chamber therein, said housing having an inlet and an outlet end and being provided with an inlet port adjacent the inlet end thereof for each material to be mixed, an elongated mixing vane rotatably received by the mixing chamber, rotatable drive shaft means, means for connecting the drive shaft means to the mixing vane for rotating the vane whereby the materials entering the inlet ports are mixed and delivered to the outlet end of the housing, seal means for closing the inlet end of the mixer housing, the drive shaft means including an elongated shaft, the seal means including a stationary portion rotatably receiving the elongated shaft and a rotating portion secured for rotation with the elongated shaft, and spring means on the elongated shaft for urging the rotating seal portion against the stationary seal portion.
Claim 2
Dependent Claim
153 words
A mixing apparatus for mixing two or more materials comprising an elongated mixer housing providing a mixer chamber therein, said housing having an inlet and an outlet end and being provided with an inlet port adjacent the inlet end thereof for each material to be mixed, an elongated mixing vane rotatably received by the mixing chamber, rotatable drive shaft means, means for connecting the drive shaft means to the mixing vane for rotating the vane whereby the materials entering the inlet ports are mixed and delivered to the outlet end of the housing, seal means for closing the inlet end of the mixer housing, the drive shaft means including an elongated shaft, the seal means including a stationary portion rotatably receiving the elongated shaft and a rotating portion secured for rotation with the elongated shaft, and spring means on the elongated shaft for urging the rotating seal portion against the stationary seal portion.
Claim 3
Dependent Claim
138 words
The apparatus of claim 1 in which the drive shaft means includes a driving shaft, connecting means between the driving shaft and the elongated shaft securing the elongated shaft for rotation with the driving shaft but permitting relative axial movement between the shafts, the elongated shaft including abutment means thereon, a sleeve carried by the driving shaft and secured against axial movement tOward the seal means, said sleeve extending from the driving shaft toward the seal means beyond the abutment means on the elongated shaft and including a radially inwardly extending portion between the abutment means and the seal means, said spring means including a helical spring ensleeved on the elongated shaft between the abutment means and the radially inwardly extending portion of the sleeve whereby said abutment means is urged away from the inwardly extending sleeve portion.
Claim 4
Dependent Claim
54 words
The apparatus of claim 2 in which the driving shaft is provided with a bore which slidably receives one end of the elongated shaft, said one end of the elongated shaft being slotted, the connecting means including a pin extending transversely through the driving shaft and through the slotted end of the elongated shaft.
Claim 5
Dependent Claim
26 words
The apparatus of claim 3 in which said pin extends through openings in the sleeve and restrains the sleeve against axial movement toward the seal means.
Claim 6
Dependent Claim
47 words
The apparatus of claim 1 in which the stationary portion of the seal means is provided with a bearing surface of revolution and the rotating portion of the seal means is provided with a bearing surface of revolution matingly engaging the bearing surface of the stationary portion.
Claim 7
Dependent Claim
140 words
A mixing apparatus for mixing two or more materials comprising an elongated mixer housing providing a mixer chamber therein, said housing having an inlet and an outlet end and being provided with an inlet port adjacent the inlet end thereof for each material to be mixed, and elongated mixing vane rotatably received by the mixing chamber, a drive shaft having a slotted end slidably receiving the mixing vane, the mixer housing including a distribution portion provided with a central bore and an elongated mixing portion provided with a central bore aligned with the bore of the distribution portion, the inlet ports being provided in the distribution portion and the distribution portion being boltably secured to the mixing portion whereby the mixing portion can be removed from the distribution portion and the mixing vane can e removed from the drive shaft.
Claim 8
Dependent Claim
140 words
A mixing apparatus for mixing two or more materials comprising an elongated mixer housing providing a mixer chamber therein, said housing having an inlet and an outlet end and being provided with an inlet port adjacent the inlet end thereof for each material to be mixed, and elongated mixing vane rotatably received by the mixing chamber, a drive shaft having a slotted end slidably receiving the mixing vane, the mixer housing including a distribution portion provided with a central bore and an elongated mixing portion provided with a central bore aligned with the bore of the distribution portion, the inlet ports being provided in the distribution portion and the distribution portion being boltably secured to the mixing portion whereby the mixing portion can be removed from the distribution portion and the mixing vane can e removed from the drive shaft.
Claim 9
Dependent Claim
35 words
The apparatus of claim 6 including a motor for rotating the drive shaft and a connecting portion for connecting the motor to the distribution portion, the connecting portion being boltably secured to the distribution portion.
Claim 10
Dependent Claim
115 words
A mixing apparatus for mixing two or more materials comprising an elongated mixer housing providing a mixer chamber therein, said housing having an inlet and an outlet end and being provided with an inlet port adjacent the inlet end thereof for each material to be mixed, an elongated mixing vane rotatably received by the mixing chamber, a drive shaft having a slotted end slidably receiving the mixing vane, a motor for rotating the drive shaft, and a connecting portion boltably secured to the mixing housing for connecting the motor to the mixer housing whereby the mixer housing can be removed from the connecting portion and the mixing vane can be removed from the drive shaft
Claim 11
Dependent Claim
115 words
A mixing apparatus for mixing two or more materials comprising an elongated mixer housing providing a mixer chamber therein, said housing having an inlet and an outlet end and being provided with an inlet port adjacent the inlet end thereof for each material to be mixed, an elongated mixing vane rotatably received by the mixing chamber, a drive shaft having a slotted end slidably receiving the mixing vane, a motor for rotating the drive shaft, and a connecting portion boltably secured to the mixing housing for connecting the motor to the mixer housing whereby the mixer housing can be removed from the connecting portion and the mixing vane can be removed from the drive shaft
Claim 12
Dependent Claim
170 words
A mixing apparatus for mixing two or more materials comprising an elongated mixer housing providing a mixer chamber therein, said housing having an inlet and an outlet end and being provided with an inlet port adjacent the inlet end thereof for each material to be mixed, an elongated mixing vane rotatably received by the mixing chamber, rotatable drive shaft means, means for connecting the drive shaft means to the mixing vane for rotating the vane whereby the materials entering the inlet ports are mixed and delivered to the outlet end of the housing the mixer housing including a cylindrical distribution head provided with a central bore and an elongated generally cylindrical mixer portion provided with a central bore axially aligned with the bore of the distribution head, one end of the mixer portion being provided with a radially outwardly extending shoulder, an annular clamping ring engaging said shoulder and being boltably secured to the distribution head, said inlet ports coMprising generally radially inwardly extending passages provided in he distribution head.
Claim 13
Dependent Claim
170 words
A mixing apparatus for mixing two or more materials comprising an elongated mixer housing providing a mixer chamber therein, said housing having an inlet and an outlet end and being provided with an inlet port adjacent the inlet end thereof for each material to be mixed, an elongated mixing vane rotatably received by the mixing chamber, rotatable drive shaft means, means for connecting the drive shaft means to the mixing vane for rotating the vane whereby the materials entering the inlet ports are mixed and delivered to the outlet end of the housing the mixer housing including a cylindrical distribution head provided with a central bore and an elongated generally cylindrical mixer portion provided with a central bore axially aligned with the bore of the distribution head, one end of the mixer portion being provided with a radially outwardly extending shoulder, an annular clamping ring engaging said shoulder and being boltably secured to the distribution head, said inlet ports coMprising generally radially inwardly extending passages provided in he distribution head.
Claim 14
Independent Claim
221 words
An apparatus for mixing a plurality of separate flowable materials in desired proportions comprising a positive displacement piston pump for each material to be mixed, a mixer, conduit means connecting each pump to the mixer for delivering the output of each pump to the mixer, means for regulating the piston displacement of each pump for delivering the materials to the mixer in the desired proportions, the mixer being provided with an elongated mixing chamber having an inlet end and an outlet end, the inlet end of the chamber being provided with an inlet port for each of the conduit means, a mixing vane rotatably received by said mixing chamber, power means for rotating the mixing vane to mix the materials entering the inlet ports and to deliver the mixed material to the outlet end of the mixer, each positive displacement piston pump including a double-acting cylinder having a pair of axially spaced ports and a piston movable within the cylinder between the ports, the piston displacement regulating means including a liquid reservoir, means connecting the liquid reservoir to one of the cylinder ports for delivering liquid to the cylinder, and valve means for permitting relatively unrestricted flow of liquid from the liquid reservoir to the cylinder and for adjustably regulating the flow of liquid from the pump to the liquid reservoir.
Claim 15
Independent Claim
221 words
An apparatus for mixing a plurality of separate flowable materials in desired proportions comprising a positive displacement piston pump for each material to be mixed, a mixer, conduit means connecting each pump to the mixer for delivering the output of each pump to the mixer, means for regulating the piston displacement of each pump for delivering the materials to the mixer in the desired proportions, the mixer being provided with an elongated mixing chamber having an inlet end and an outlet end, the inlet end of the chamber being provided with an inlet port for each of the conduit means, a mixing vane rotatably received by said mixing chamber, power means for rotating the mixing vane to mix the materials entering the inlet ports and to deliver the mixed material to the outlet end of the mixer, each positive displacement piston pump including a double-acting cylinder having a pair of axially spaced ports and a piston movable within the cylinder between the ports, the piston displacement regulating means including a liquid reservoir, means connecting the liquid reservoir to one of the cylinder ports for delivering liquid to the cylinder, and valve means for permitting relatively unrestricted flow of liquid from the liquid reservoir to the cylinder and for adjustably regulating the flow of liquid from the pump to the liquid reservoir.
Claim 16
Dependent Claim
57 words
The apparatus of claim 10 in which the valve means includes a check valve interposed in the connecting means for permitting relatively unrestricted flow of liquid from the liquid reservoir to the cylinder and a regulating valve interposed in the connecting means for permitting regulation of the flow of liquid from the cylinder to the liquid reservoir.
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) | 1975-08-15 | 1976-02-14 | 1976-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-08-15 | 1980-02-14 | 1980-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-08-15 | 1984-02-14 | 1984-08-15 | $7700.00 | Window Closed / Lapsed |