Patent US3961819A successfully refreshed from Google Patents.
Patent US3827604A successfully refreshed from Google Patents.
US3827604A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Modular solenoid-operated dispenser
Assignee: Nordson Corp
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Filing: 1972-09-11
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Granted: 1974-08-06
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Expires: 1992-09-11
Abstract
Abstract A solenoid-operated dispenser for dispensing liquid materials. The dispenser comprises a heated service module which contains static parts, a gun module which contains all of the movable parts of the dispenser, and a plug-in solenoid coil module, all three modules of which are resiliently held in an assembled relationship by a single threaded nut.
Inventors
- 👤 W Hamilton
- 👤 A Reighard
- 👤 S Tamny
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:50
CPC Classifications
B; B65; B65B; B65B51/00; B65B51/02; B65B51/023; B05; B05B; B05B1/00; B05B1/30; B05B1/3033; B05B1/304; B05B1/3046; B05B1/3053; B05B9/00; B05B9/002
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
329 words
Apparatus for dispensing a liquid from a pressurized source comprising a service module having essentially only static parts, said service module including a mounting block having a gun module contacting surface of substantial area, said mounting block being adapted to be secured to a support, a readily removable gun module attachable to and mountable upon said service module mounting block, said gun module including essentially all of the movable parts of said dispensing apparatus, said gun module including a discharge nozzle and a valve for controlling flow of viscous liquid from said nozzle, said gun module further including a cylinder and a movable plunger mounted within said cylinder, said plunger being operatively connected to said valve so as to effect opening and closing of said valve upon actuation of said plunger, said gun module having a service module mounting block contacting surface of substantial area, heater means contained within said service module for heating said service module mounting block, said service module mounting block being operable to transmit heat through said contacting surface into said gun module so as to heat liquid contained within said gun module, and a solenoid coil module mounted over said cylinder of said gun module, said solenoid coil module including an electrical solenoid coil for controlling movement of said plunger within said cylinder, said solenoid coil module being removable and replaceable on said dispensing apparatus without disassembly of said gun module and said gun module being removable and replaceable on said service module without disassambly of said gun module, said solenoid coil module and said gun module being jointly secured to said service module mounting block by a single fastening element, and said solenoid coil being encased within a housing, said solenoid coil module including an electrical plug extending through said housing, said electrical plug being adapted to make an electrical connection with a source of electrical power when said solenoid coil module is assembled with said service block module and said gun module.
Claim 2
Dependent Claim
329 words
Apparatus for dispensing a liquid from a pressurized source comprising a service module having essentially only static parts, said service module including a mounting block having a gun module contacting surface of substantial area, said mounting block being adapted to be secured to a support, a readily removable gun module attachable to and mountable upon said service module mounting block, said gun module including essentially all of the movable parts of said dispensing apparatus, said gun module including a discharge nozzle and a valve for controlling flow of viscous liquid from said nozzle, said gun module further including a cylinder and a movable plunger mounted within said cylinder, said plunger being operatively connected to said valve so as to effect opening and closing of said valve upon actuation of said plunger, said gun module having a service module mounting block contacting surface of substantial area, heater means contained within said service module for heating said service module mounting block, said service module mounting block being operable to transmit heat through said contacting surface into said gun module so as to heat liquid contained within said gun module, and a solenoid coil module mounted over said cylinder of said gun module, said solenoid coil module including an electrical solenoid coil for controlling movement of said plunger within said cylinder, said solenoid coil module being removable and replaceable on said dispensing apparatus without disassembly of said gun module and said gun module being removable and replaceable on said service module without disassambly of said gun module, said solenoid coil module and said gun module being jointly secured to said service module mounting block by a single fastening element, and said solenoid coil being encased within a housing, said solenoid coil module including an electrical plug extending through said housing, said electrical plug being adapted to make an electrical connection with a source of electrical power when said solenoid coil module is assembled with said service block module and said gun module.
Claim 3
Dependent Claim
40 words
The dispensing apparatus of claim 1 in which said heater means is an electrical heater mounted within said service module mounting block, said service module further including a thermostat for controlling the flow of electrical power to said electrical heater.
Claim 4
Dependent Claim
58 words
The dispensing apparatus of claim 1 in which said service module mounting block has an aperture therein for the reception of said gun module, said gun module being mounted within said aperture, with at least a portion of said cylinder extending outwardly from said aperture, said solenoid coil module being mounted over said cylinder outwardly of said aperture.
Claim 5
Dependent Claim
15 words
The dispensing apparatus of claim 1 in which said fastening element is a threaded element.
Claim 6
Dependent Claim
37 words
The apparatus of claim 4 in which said threaded element has an electrical plug attached thereto, said plugs being so positioned that assembly of said modules and said threaded element automatically effects electrical interconnection of said plugs.
Claim 7
Dependent Claim
44 words
The apparatus of claim 1 in which said service block module has an electrical plug mounted thereon, said plugs being so positioned that assembly of said solenoid coil module, said gun module, and said service block module automatically effects electrical interconnection of said plugs.
Claim 8
Dependent Claim
31 words
The dispensing apparatus of claim 1 in which said solenoid coil is encased in a molded plastic encasement, said plastic encasement having said electrical plug formed as an integral portion thereof.
Claim 9
Dependent Claim
241 words
Apparatus for dispensing a viscous liquid from a pressurized source comprising a service block module having essentially only static parts, said service block module including a mounting block adapted to be secured to a support, heating means contained within said service module mounting block, a readily removable gun module attachable to and mountable upon said service module mounting block, said gun module including essentially all of the movable parts of said dispensing apparatus, said gun module including a discharge nozzle, a valve for controlling flow of viscous liquid from said nozzle, and spring means for biasing said valve to a closed position, said gun module further including a cylinder and a movable plunger mounted within said cylinder, said plunger being operatively connected to said valve so as to effect opening and closing of said valve upon actuation of said plunger, a solenoid coil module mounted over said cylinder of said gun module, said solenoid coil module including an electrical solenoid coil for controlling movement of said plunger within said cylinder, a single fastening element for jointly securing said solenoid coil module and said gun module to said service module, and said solenoid coil being encased within a housing, said solenoid coil module including an electrical plug extending through said housing, said plug being adapted to make an electrical connection with a source of electrical power when said solenoid coil module is assembled with said service block module and said guN module.
Claim 10
Dependent Claim
241 words
Apparatus for dispensing a viscous liquid from a pressurized source comprising a service block module having essentially only static parts, said service block module including a mounting block adapted to be secured to a support, heating means contained within said service module mounting block, a readily removable gun module attachable to and mountable upon said service module mounting block, said gun module including essentially all of the movable parts of said dispensing apparatus, said gun module including a discharge nozzle, a valve for controlling flow of viscous liquid from said nozzle, and spring means for biasing said valve to a closed position, said gun module further including a cylinder and a movable plunger mounted within said cylinder, said plunger being operatively connected to said valve so as to effect opening and closing of said valve upon actuation of said plunger, a solenoid coil module mounted over said cylinder of said gun module, said solenoid coil module including an electrical solenoid coil for controlling movement of said plunger within said cylinder, a single fastening element for jointly securing said solenoid coil module and said gun module to said service module, and said solenoid coil being encased within a housing, said solenoid coil module including an electrical plug extending through said housing, said plug being adapted to make an electrical connection with a source of electrical power when said solenoid coil module is assembled with said service block module and said guN module.
Claim 11
Dependent Claim
44 words
The apparatus of claim 8 in which said service block module has an electrical plug mounted thereon, said plugs being so positioned that assembly of said solenoid coil module, said gun module, and said service block module automatically effects electrical interconnection of said plugs.
Claim 12
Dependent Claim
15 words
The dispensing apparatus of claim 8 in which said fastening element is a threaded element.
Claim 13
Dependent Claim
37 words
The apparatus of claim 10 in which said threaded element has an electrical plug attached thereto, said plugs being so positioned that assembly of said modules and said threaded element automatically effects electrical interconnection of said plugs.
Claim 14
Dependent Claim
57 words
The dispensing apparatus of claim 8 in which said service module has an aperture therein for the reception of said gun module, said gun module being mounted within said aperture with at least a portion of said cylinder extending outwardly from said aperture, and said solenoid coil module being mounted over said cylinder outwardly of said aperture.
Claim 15
Dependent Claim
31 words
The dispensing apparatus of claim 8 in which said solenoid coil is encased in a molded plastic encasement, said plastic encasement having said electrical plug formed as an integral portion thereof.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-08-05 | 1978-02-04 | 1978-08-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-08-05 | 1982-02-04 | 1982-08-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-08-05 | 1986-02-04 | 1986-08-06 | $7700.00 | Window Closed / Lapsed |