Patent US3645091A successfully refreshed from Google Patents.
US3645091A
Expired / Lapsed
US
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Gun-type device for mechanical assembly work utilizing energy of explosion
Assignee: Individual
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Filing: 1970-08-17
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Granted: 1972-02-29
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Expires: 1990-08-17
Abstract
Abstract A gun-type device for mechanical assembly work utilizing the energy of explosion. The device comprises a second barrel secured on the body around the first barrel, the latter being installed with a provision for axial movement and has a circular projection functioning as a piston while the first barrel is moving in the second one, and has channels which intercommunicate the spaces of both barrels and are located at the side of the circular projection facing the rod so that at the end of the forward stroke of the piston with the working tool the compressed gases flow from the space of the first barrel into that of the second one as a result of which the first barrel moves and returns the piston with the tool to the initial position.
Inventors
- 👤 Valery Vasilievich Ivanov
- 👤 Valentin Ivanovich Rumyantsev
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 11:25
CPC Classifications
B; B23; B23P; B23P9/00; B23P9/02; B23P9/025; B25; B25C; B25C1/00; B25C1/08; B25C1/10; B25C1/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
179 words
A gun-type device for mechanical assembly work utilizing the energy of explosion which comprises: a body with explosion chamber; a barrel with a space communicating with said explosion chamber, said barrel being installed in said body with a provision for axial movement; a piston accommodated in the space of said first barrel; a rod of said piston carrying a working tool at the end; a second barrel secured on said body around said first barrel; said first barrel has a circular projection functioning as a piston while said first barrel is moving in the space of said second barrel and has channels intercommunicating the spaces of both barrels and located at the side of said circular projection facing said rod so that at the end of the forward stroke of said piston with the rod carrying the working tool the compressed gases flow from the space of said first barrel into the space of said second barrel, as a result of which said first barrel moves and returns said piston with rod and working tool to the initial position.
Claim 2
Dependent Claim
179 words
A gun-type device for mechanical assembly work utilizing the energy of explosion which comprises: a body with explosion chamber; a barrel with a space communicating with said explosion chamber, said barrel being installed in said body with a provision for axial movement; a piston accommodated in the space of said first barrel; a rod of said piston carrying a working tool at the end; a second barrel secured on said body around said first barrel; said first barrel has a circular projection functioning as a piston while said first barrel is moving in the space of said second barrel and has channels intercommunicating the spaces of both barrels and located at the side of said circular projection facing said rod so that at the end of the forward stroke of said piston with the rod carrying the working tool the compressed gases flow from the space of said first barrel into the space of said second barrel, as a result of which said first barrel moves and returns said piston with rod and working tool to the initial position.
References Cited (Backward Citations)
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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) | 1975-02-28 | 1975-08-30 | 1976-02-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-02-28 | 1979-08-30 | 1980-02-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-02-28 | 1983-08-30 | 1984-02-29 | $7700.00 | Window Closed / Lapsed |