Bizarre Patents
Mouse device with a built-in printer
A mouse device for use as an input device of a computer is provided that includes a housing in which recording paper is loadable, and a printer unit provided within the housing for printing on the recording paper print information received from the computer.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 6206478 | Tunnel excavator with crawler drive and roof support bearing frames The tunnel excavator (1) includes a cutter supporting body (3) provided with cutters (2) for excavating the earth. The tunnel excavator also includes crawlers (13) for moving backwards and forwards, and upper and side bearing frames (15, 16) which move ra... | 03/27/2001 |
| 5931601 | Tunnel excavator A tunneling machine intended to stably carry out gripper replacement by restricting the load imposed on gripper jacks for the main gripper as much as possible during excavation of an inclined shaft. Such a tunneling machine comprises (1) a main beam that ... | 08/03/1999 |
| 5915790 | Tunnel boring machine A cutterhead is supported at the front part of a main frame so as to incline at a specified angle with respect to a vertical plane. The main frame includes (i) a roof support disposed at a position corresponding to where a reaction force acts in the direc... | 06/29/1999 |
| 5527099 | Tunnel boring machine anchor shoe structure and process of operating a tunnel boring machine having such anchor shoe structure The anchor shoes of a tunnel-boring machine arranged in a circular configuration are individually truncated by being tapered rearwardly so that the girth of the circular anchor shoe configuration can decrease progressively in order to accommodate converge... | 06/18/1996 |
| 5284404 | Moving steel form system A travelling steel form system includes a three-dimentional framework mechanism with multiple faces crossing and coupling with one another. A set of form panels are fixed to the outer side of the framework mechanism on more than two faces thereof, and are... | 02/08/1994 |
| 5221160 | Subterranean connecting method for construction of shield tunnel and connecting apparatus therefor A disclosure is made of a subterranean connecting method and a connecting apparatus therefor which are suitable for use when two shield machines are used to excavate a pair of tunnel sections from both ends of a tunnel, and the tunnel sections are connect... | 06/22/1993 |
| 5205613 | Tunnel boring machine with continuous forward propulsion A tunnel boring machine includes a cutterhead having a plurality of cutting units and being rotatable on a machine frame. Two sets of three anchor shoes float relative to the frame and are disposed circumferentially, with the anchor shoes of the two sets ... | 04/27/1993 |
| 5199818 | Method and apparatus for detecting collapse of natural ground in shield driving method A method and an apparatus for performing measurement by a resistivity method in order to detect the thickness of a sludge layer on the outer periphery of a shield machine. A Wenner electrode row (14) on the outer periphery of the machine is used to measur... | 04/06/1993 |
| 5169264 | Propulsion process of buried pipe In a propulsion process of buried pipe, an endless pipe to be buried is formed by sequentially curving a pipe material of long hoop shape made of a plastic material, and this endless pipe is successively inserted and propelled into the burying hole while ... | 12/08/1992 |
| 5104261 | Tunnel boring machine Tunnel boring machine for reaming of a pilot tunnel (11). The machine housing (12) is provided with a projecting part in front of the boring head (13), said projecting part comprising a part (20) being fixed relative to the machine housing and a shield (1... | 04/14/1992 |
| 5104262 | Tunnel boring machine Tunnel boring machine comprising a number of swingable arms (11,12,13,14) provided with boring tools (41,42,43,44) for the working of the tunnel wall outside its normal diameter. The arms may be swung outwardly into an active position or retracted into an... | 04/14/1992 |
| 5090844 | Plant for digging and shoring up the walls of tunnels during excavation The invention falls within the art field of shields used in the excavation of tunnels for any given utility (rail, road, underground railway, sewers, pipelines, power cables etc.), and of all sizes. The plant disclosed provides a temporary support structu... | 02/25/1992 |
| 5078545 | Method for boring hole in the ground and apparatus therefor A system for boring a hole in the ground including an excavating machine provided with a tubular body; an excavating mechanism supported by the body; a mechanism for shifting the excavated substances to the periphery of the body; and a driving mechanism f... | 01/07/1992 |
| 5051033 | Bracing device for a self-advancing shield tunnelling machine A bracing device for a self-advancing shield tunnelling machine for tunnel construction comprising a control shield within which is mounted a cutting unit, and at least two bracing shields each having a closed circumferential wall construction which are c... | 09/24/1991 |
| 4936709 | Method and apparatus for laying pipes in the ground with advance of propulsion shafts installed with pipe-supporting attachments A method and apparatus for laying pipes of low bearing force like a polyvinyl chloride pipe and others in the ground with a propulsion pipe laying method, wherein an excavation device to excavate a tunnel to lay pipes therein is propelled into the ground ... | 06/26/1990 |
| 4915453 | Floating shoe tunnel boring machine and boring process A tunneling machine body carrying a rotary cutterhead can be advanced continuously by exerting advancing thrust forces on it, first by top and bottom bipods reacting from top and bottom anchor shoes, respectively, in anchored condition against the tunnel ... | 04/10/1990 |
| 4874267 | Tunnel boring machine Telescopic tunnel boring machine including a front shield (10) and a rear shield (16) with a cutting head (14) at the forward end of the front shield. Rearwardly extending shutters can be moved out hydraulically by auxillary cylinders (54) from the rear e... | 10/17/1989 |
| 4830539 | Pipe propelling apparatus An apparatus for propelling a plurality of pipes arranged in series comprises basic thrusting means for generating a thrust to be applied to the pipes and intermediate thrusting means for receiving the thrust from the basic thrusting means and applying th... | 05/16/1989 |
| 4808030 | Shield tunneling method and assembling and disassembling apparatus for use in practicing the method Shield tunnelling method and assembling and disassembling apparatus for use in practicing the method. A shield having shield jacks is actuated for drilling a hole in the ground. Inner forms and outer forms are assembled into a plurality of tubular units c... | 02/28/1989 |
| 4696600 | Method and apparatus for modifying the cross-sectional profile of an adit, tunnel or the like To modify a given profile of an adit, tunnel, gallery or the like, particularly a circular profile so as to give it the shape of a vault, a sequence of individual recesses are made in the longitudinal direction in the wall of the adit by a boring head adv... | 09/29/1987 |
| 4682914 | Hydraulic trench support A hydraulic trench support includes a piston and cylinder head supported within a cylinder such that the cylinder head is fixed at one end of the cylinder and the piston is moveable within the cylinder. A piston rod is coupled to the hydraulic piston at o... | 07/28/1987 |
| 4453863 | Trench shoring device There are disclosed two embodiments of a trench shoring device of the type having rails which are forced against the sides of the trench by one or more fluid actuated, extendible and retractible braces connected to and extending between the rails. In one ... | 06/12/1984 |
| 4302126 | Manhole cover support ring A manhole cover support ring adapted to be placed within an existing manhole frame for raising the height of a manhole cover. A circular ring is formed by a generally vertically extending flange having an annular bar welded on its lower end which provides... | 11/24/1981 |
| 4289356 | Shield assemblies for installation in under-ground roadways and rock excavating machines including such shield assemblies A shield assembly for installation in an underground roadway or tunnel comprises an articulated upper shield assembly, a lower shield assembly and a plurality of hydraulic rams for urging the upper shield assembly upwards relatively to the lower shield as... | 09/15/1981 |
| 4270876 | Method of lining a vertical mine shaft with concrete The apparatus includes a cylindrical retainer form spaced inwardly of the wall of the shaft by the desired thickness of the liner to be poured and having overlapping edges which seal against concrete flow but permit the form to be contracted to a smaller ... | 06/02/1981 |
| 4259030 | Ground anchor Herein described is an anchor for use in an open earth trench which is adapted for use with equipment performing construction functions within the trench. A cable is attached to a winch on the equipment and to the anchor. The equipment is moved along by t... | 03/31/1981 |
| 4252463 | Tunnel driving apparatus A drive shield of a tunnelling apparatus employs composite drive members or poling plates supported and guided for advancement in the driving direction on a frame. Each drive member has a front part pivotably connected to a rear part. The connection betwe... | 02/24/1981 |
| 4178111 | Apparatus for the excavation of subterranean tunnels Tunnel excavating apparatus comprises a hollow cylindrical shield adapted to be axially forced through subterranean material and having a circular cutting edge at a leading end portion. An inclined baffle and guide member has a central opening spaced upwa... | 12/11/1979 |
| 4140345 | Tunnel-excavating machine with shield formed of segments A tunnel-excavating machine comprises an excavating head, preferably a full-cut head, adapted to excavate the full-cross-section of the tunnel to be formed, which is slideably mounted for movement relative to a pair of support frames. Means is provided to... | 02/20/1979 |
| 4122683 | Tunnel drive shield A tunnel drive shield is provided with a plurality of bracing units spaced around its periphery. The bracing units are expansible against the surrounding tunnel wall to control the direction of shield advance. A bracing unit is provided in each of the fou... | 10/31/1978 |
| 4095436 | Method of, and apparatus for, controlling the advance of a tunnel drive shield Apparatus is provided for controlling the advance of a tunnel drive shield. The drive shield is of the type having a plurality of elongate implements (or planks) which are supported and guided on a frame. Hydraulic rams are provided for moving the planks ... | 06/20/1978 |
| 4073153 | Drive shields for tunnelling A drive shield for use in a tunnel driving operation has an inner frame with hollow rings interconnected in a rigid fashion. A plurality of sharp-ended drive members combine to form a cylindrical shell contacting the tunnel wall. Rams serve to advance the... | 02/14/1978 |
| 3950956 | Driving of tunnels An apparatus for driving a tunnel, the apparatus having a knife shield composed of a circular array of elongate knife implements supported by a frame and attachable to a drive frame which can be moved to cause the implements to penetrate into a working fa... | 04/20/1976 |
