US3603487A
Expired / Lapsed
US
⏱️ 0.0 years remaining
In-line sealant dispenser
Assignee: Product Research and Chemical Corp
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Filing: 1969-11-17
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Granted: 1971-09-07
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Expires: 1989-11-17
Abstract
Abstract An in-line sealant dispenser has a socket member receiving the rear end of a cartridge assembly containing sealant to be selectively dispensed therefrom by air pressure, and a rearwardly extending manually rotatable control handle member threaded onto a coaxial boss on the socket member, axially in line with said cartridge, for axial movement relative to said socket upon rotation relative thereto to open and close a valve in the control handle member to regulate the flow of air from an airhose through said handle and socket member air passages to the rear end of the cartridge assembly to selectively dispense the sealant from the dispenser.
Inventors
- 👤 Ralph J Cook
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 21:01
CPC Classifications
B; B05; B05C; B05C17/00; B05C17/005; B05C17/015; E; E04; E04F; E04F21/00; E04F21/165
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
206 words
An in-line design sealant dispenser for receiving a cartridge assembly including a support barrel and a disposable cartridge containing sealant to be dispensed therefrom by air pressure acting at the rear end of the cartridge and supplied to the dispenser by an airhose from a source of pressurized air, comprising: a socket member for receiving the rear end of said cartridge assembly with the cartridge thereof in airtight relationship to said socket member, said socket member having an air passage therethrough opening to the rear end of the cartridge, a handle member mounted to the socket member to extend rearwardly therefrom for movement between first and second positions, said handle containing an air passage in fluid communication with the air passage of said socket member, hose-attaching means on said handle, said attaching means connecting the airhose to said handle in fluid communication with said air passage in said handle; and airflow-regulating means in one of said members, said airflowregulating means movable between closed and open positions in response to movement of said handle between first and second positions to selectively regulate the flow of pressurized air from the hose through the air passages to the rear end of said cartridge, to selectively dispense the sealant therefrom.
Claim 2
Dependent Claim
206 words
An in-line design sealant dispenser for receiving a cartridge assembly including a support barrel and a disposable cartridge containing sealant to be dispensed therefrom by air pressure acting at the rear end of the cartridge and supplied to the dispenser by an airhose from a source of pressurized air, comprising: a socket member for receiving the rear end of said cartridge assembly with the cartridge thereof in airtight relationship to said socket member, said socket member having an air passage therethrough opening to the rear end of the cartridge, a handle member mounted to the socket member to extend rearwardly therefrom for movement between first and second positions, said handle containing an air passage in fluid communication with the air passage of said socket member, hose-attaching means on said handle, said attaching means connecting the airhose to said handle in fluid communication with said air passage in said handle; and airflow-regulating means in one of said members, said airflowregulating means movable between closed and open positions in response to movement of said handle between first and second positions to selectively regulate the flow of pressurized air from the hose through the air passages to the rear end of said cartridge, to selectively dispense the sealant therefrom.
Claim 3
Dependent Claim
32 words
The in-line sealant dispenser as in claim 1 wherein the handle member is located totally inside the rearward projection of the exterior surface of the cartridge, when received in said socket member.
Claim 4
Dependent Claim
80 words
The in-line sealant dispenser as in claim 1 wherein vent means is provided in one of said members in fluid communication with the air passage between said regulating means and said cartridge to vent the passage to atmosphere both iN the first position of said handle and the closed position of said regulating means, said vent means being closed as the handle moves from the first position towards the second position to maintain the pressurized air within the air passages.
Claim 5
Dependent Claim
30 words
The sealant dispenser as in claim 1 wherein stop means is provided at both the first and second positions of said handle to halt the movement of the handle thereat.
Claim 6
Dependent Claim
29 words
The sealant dispenser as in claim 1 wherein said handle member is rotatably mounted on said socket member to be rotated relative thereto between said first and second positions.
Claim 7
Dependent Claim
54 words
The sealant dispenser as in claim 5 wherein the socket member contains a rearwardly extending boss having external threads thereon, and the handle member has an internally threaded opening for receiving said boss whereby rotation of the handle between said first and second positions moves the handle member axially relative to the socket member.
Claim 8
Dependent Claim
82 words
The sealant dispenser as in claim 5 wherein said handle is mounted to said socket for axial movement relative thereto upon relative rotation therebetween; and the regulating means is a valve with a linearly actuated stem extending outwardly therefrom which is axially movable between open and closed position, said stem engaging the other of said members during axial movement of the handle member relative to the socket member between said first and second positions to be moved between closed and open positions.
Claim 9
Dependent Claim
63 words
The in-line sealant dispenser as in claim 7 wherein the passage in the handle member is axial thereof, the passage in the socket member is axially offset, and the valve is mounted in one of said passages with the stem thereof engaging the face of the other member adjacent the passage therein during axial movement between the handle member and the socket member.
Claim 10
Dependent Claim
22 words
The sealant dispenser as in claim 5 wherein the socket member has a roughened peripheral surface to facilitate the manual holding thereof.
Claim 11
Dependent Claim
51 words
The sealant dispenser as in claim 5 wherein stop means is provided to limit the rotational movement of the handle member at the first and second positions, said stop means also preventing the handle from being unscrewed by limiting the rotational movement to movement between the first and second positions only.
Claim 12
Dependent Claim
49 words
The in-line sealant dispenser as in claim 12 wherein the stop means includes a radially outwardly extending flange on the handle member adjacent the socket member, and a rearwardly extending pin on the socket member, said flange having shoulders which engage the pin at the first and second positions.
Claim 13
Dependent Claim
196 words
In a sealant dispenser for a cartridge assembly including a support barrel and a disposable cartridge-containing sealant to be dispensed therefrom by pressurized air, supplied by an airhose, acting at the rear end of the cartridge including a socket member having a forwardly facing cartridge-receiving opening for receiving the cartridge assembly with the cartridge in airtight relationship thereto, said socket member having an air passage opening to the rear end of said cartridge, the improvement comprising: an in-line handle member movably mounted to the socket member to extend rearwardly therefrom in coaxial relationship thereto, said handle member moving axially relative the socket member in response to rotation thereof between first and second positions, said handle member having an air passage therethrough with one end thereof connected to said airhose and the other end in fluid communication with the air passage of the socket member airflow-regulating means in one of said members movable between closed and open positions in response to movement of said handle between first and second positions to selectively regulate the flow of pressurized air from the hose through the air passages to the rear end of said cartridge to selectively dispense sealant therefrom.
Claim 14
Dependent Claim
196 words
In a sealant dispenser for a cartridge assembly including a support barrel and a disposable cartridge-containing sealant to be dispensed therefrom by pressurized air, supplied by an airhose, acting at the rear end of the cartridge including a socket member having a forwardly facing cartridge-receiving opening for receiving the cartridge assembly with the cartridge in airtight relationship thereto, said socket member having an air passage opening to the rear end of said cartridge, the improvement comprising: an in-line handle member movably mounted to the socket member to extend rearwardly therefrom in coaxial relationship thereto, said handle member moving axially relative the socket member in response to rotation thereof between first and second positions, said handle member having an air passage therethrough with one end thereof connected to said airhose and the other end in fluid communication with the air passage of the socket member airflow-regulating means in one of said members movable between closed and open positions in response to movement of said handle between first and second positions to selectively regulate the flow of pressurized air from the hose through the air passages to the rear end of said cartridge to selectively dispense sealant therefrom.
Claim 15
Dependent Claim
23 words
The improvement as in claim 12 wherein the air passage in one of the members is coaxial with the socket and handle members.
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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) | 1974-09-06 | 1975-03-08 | 1975-09-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-09-06 | 1979-03-08 | 1979-09-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-09-06 | 1983-03-08 | 1983-09-07 | $7700.00 | Window Closed / Lapsed |