GB395524A - Improvements in and relating to rams - Google Patents
Improvements in and relating to ramsInfo
- Publication number
- GB395524A GB395524A GB22134/32A GB2213432A GB395524A GB 395524 A GB395524 A GB 395524A GB 22134/32 A GB22134/32 A GB 22134/32A GB 2213432 A GB2213432 A GB 2213432A GB 395524 A GB395524 A GB 395524A
- Authority
- GB
- United Kingdom
- Prior art keywords
- cylinder
- spring
- piston
- cancelled
- ram
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01C—CONSTRUCTION OF, OR SURFACES FOR, ROADS, SPORTS GROUNDS, OR THE LIKE; MACHINES OR AUXILIARY TOOLS FOR CONSTRUCTION OR REPAIR
- E01C19/00—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving
- E01C19/22—Machines, tools or auxiliary devices for preparing or distributing paving materials, for working the placed materials, or for forming, consolidating, or finishing the paving for consolidating or finishing laid-down unset materials
- E01C19/30—Tamping or vibrating apparatus other than rollers ; Devices for ramming individual paving elements
- E01C19/34—Power-driven rammers or tampers, e.g. air-hammer impacted shoes for ramming stone-sett paving; Hand-actuated ramming or tamping machines, e.g. tampers with manually hoisted dropping weight
- E01C19/36—Power-driven rammers or tampers, e.g. air-hammer impacted shoes for ramming stone-sett paving; Hand-actuated ramming or tamping machines, e.g. tampers with manually hoisted dropping weight with direct-acting explosion chambers
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Feeding And Controlling Fuel (AREA)
Abstract
395,524. Internal-combustion ramming-tools. HAUHINCO MASCHINENFABRIK G. HAUSHERR, E. HINSELMANN & CO., GES., Essen, Germany. Aug. 6, 1932, No. 22134. Convention date, Aug. 20, 1931. [Class 124.] An internal-combustion ram comprises a piston 2, Fig. 1, and a cylinder 1 which delivers the blow through a foot-piece 30. An auxiliary piston 5 mounted in the cylinder is manually operated to serve as a pump to draw the mixture into the explosion chamber 7. At the top of its stroke the piston 5 closes a contact 36 and explodes the mixture ; the cylinder is thrown upwards until an exhaust 8 is uncovered, when it falls to deliver the blow, aided by a spring 26. A valve 6 is associated with the auxiliary piston 5, and is opened on downward movement of the latter to permit escape of the residual combustion products. In a ram for pile driving or sheet piling, Fig. 2, the auxiliary piston 5<1> is maintained in its uppermost position by a spring 10 so that after its initial depression by a hand pin 18 the action is automatic. The outlet valve 6<1> is also spring- mounted and is opened by the residual pressure when the cylinder falls, so as completely to exhaust the cylinder. A spring-mounted valve 14 is closed by the explosion pressure, but opens on the subsequent reduction of pressure. The Specification as open to inspection under Sect. 91 states that a fuel vaporizer 20 is disposed in the lower part of the cylinder 1, Fig. 2 (Cancelled) and that the ram is provided with interchangeable foot pieces 32, Fig. 2 (Cancelled) and 31, Fig. 4 (Cancelled). This subject-matter does not appear in the Specification as accepted.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE395524X | 1931-08-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB395524A true GB395524A (en) | 1933-07-20 |
Family
ID=6396853
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB22134/32A Expired GB395524A (en) | 1931-08-20 | 1932-08-06 | Improvements in and relating to rams |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB395524A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2561093A (en) * | 1947-06-07 | 1951-07-17 | Francis N Bard | Internal-combustion rammer |
DE976583C (en) * | 1948-04-08 | 1963-12-05 | Atlas Copco Ab | Differential hammer piston for pneumatic hammer drill or the like. |
GB2246093A (en) * | 1990-07-17 | 1992-01-22 | Frank Eugene Fanning | Power impact tools |
-
1932
- 1932-08-06 GB GB22134/32A patent/GB395524A/en not_active Expired
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2561093A (en) * | 1947-06-07 | 1951-07-17 | Francis N Bard | Internal-combustion rammer |
DE976583C (en) * | 1948-04-08 | 1963-12-05 | Atlas Copco Ab | Differential hammer piston for pneumatic hammer drill or the like. |
GB2246093A (en) * | 1990-07-17 | 1992-01-22 | Frank Eugene Fanning | Power impact tools |
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