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Pet Toilet-Like Water Disk and Food Storage
One pet-friendly inventor patented "a device for watering pets, e.g., a dog or cat." The device, he helpfully noted, "has the general shape of a toilet."
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| Number | Title | Issue Date |
| 7334742 | Spraying device with droplet hold-back The present application describes a spraying device with droplet hold-back. The droplet hold-back is formed by a baffle, which collects the droplets in a defined volume. From this volume, the droplets can be suctioned by means of a suction opening and supplied to a ... | 02/26/2008 |
| 7255406 | Method for manufacturing track for auger boring machine An auger boring machine having a drive mechanism for moving the machine along a desired direction of travel includes a drive motor having a shaft and a pinion mounted on the shaft. A method for manufacturing a track for such a boring machine includes providing a tra... | 08/14/2007 |
| 7210750 | Crawler belt link grinding system and crawler structure Vibration or the like is prevented for long-term use by normalizing, with operation continuing, a tread of a crawler belt link through grinding in an early stage where uneven wear such as corrugated wear occurs. With a crawler belt of a crawler vehicle wound, an abr... | 05/01/2007 |
| 6698844 | Earth discharging device for upward-facing shield machine An earth discharging device, for a shield machine for constructing a tunnel in the vertical direction, has a pipe for discharging downwardly earth and sand that have been excavated by the machine as it advances upwardly. An elastic film-type valve is prov... | 03/02/2004 |
| 6082930 | Shield driving machine The present invention relates to a shield driving machine by which eliminates excessive work of the ground when working at a curved section while suppressing an increase of the sinking of the ground surface and securing a quickening in the stability of se... | 07/04/2000 |
| 5934761 | Boring machine having hydrostatic bearings A boring machine having a cutter head rotatably mounted on a hydrostatic bearing. High pressure water is supplied to passageways between confronting bearing surfaces which react axial and radial loads and which are capable of relative rotational movement.... | 08/10/1999 |
| 5443305 | Tunnelling machine A tunnelling machine for large cross-section tunnels (with a 12 m diameter and more), as well as for excavating loose rocks leading to groundwater, has a shield with a cylindrical case. A front section (1) of the case is rotary. The front face (3) of the ... | 08/22/1995 |
| 5190353 | Rock cutting tool having eccentric drive A rock-cutting tool includes a sleeve equipped with cutting elements and supported on a shaft, the sleeve being separately rotatable and eccentrically arranged in relation to the shaft whereby, in use, rotation of the shaft imparts a radially oscillating ... | 03/02/1993 |
| 5123708 | Shield tunnelling machine A shield tunnelling machine is provided. Such shield tunnelling machines include a tubular shield body; an excavating cutter assembly disposed on a front end of the body; a partition wall for defining the interior of the body into a front region and a rea... | 06/23/1992 |
| 5022789 | Method and machine for constructing shafts There are disclosed a method and a machine for constructing a shaft having a substantially circular cross-section. According to the present invention, the shaft having a shotcrete formed on a peripheral wall thereof can be easily constructed. The shotcret... | 06/11/1991 |
| 4915543 | Existing pipeline renewing method and apparatus therefor A method for renewing an existing pipeline comprises the steps of advancing a shield tunnelling machine from one end of an existing pipe defining the existing pipeline to the other end thereof, excavating at least the existing pipe by the machine and disp... | 04/10/1990 |
| 4848963 | Earth pressure shield The earth pressure shield for a tunnel and/or gallery excavator has a front working compartment formed by a separating wall having a digging tool and an annular reinforcing space substantially triangular in cross section positioned directly in front of th... | 07/18/1989 |
| 4818026 | Shield type tunneling apparatus A shield type tunneling apparatus comprises: a shield body having in its front portion a cutter-head compartment for digging a tunnel through bedrock, the cutter-head compartment being rotatably driven by a driving unit; and a transporting means for disch... | 04/04/1989 |
| 4692062 | Shield type tunneling machine A shield-type tunneling machine comprises a shield body having a front portion converging gradually rearward, a crankshaft journalled rotatably by a diaphragm provided in the shield body, a drive mechanism connected to an end of the crankshaft and a conic... | 09/08/1987 |
| 4571122 | Pipe laying apparatus A pipe laying apparatus including an excavator propulsion unit located in a starting pit. The excavator includes an excavator body having a first axis, an excavating tool having a second axis and located at a forward end portion of the excavator body, and... | 02/18/1986 |
| 4494799 | Tunnel boring machine A tunnel boring machine for boring a tunnel through mixed ground with stable ground conditions and unstable ground conditions. The tunnel boring machine is operable in a stable ground boring mode with the machine anchored to tunnel sidewall portions and a... | 01/22/1985 |
| 4494617 | Shaft boring machine A machine for boring a shaft in earth strata or the like. An annular support ring means having an outside diameter approximately equal to the diameter of the shaft which is selectively engageable or disengageable with the shaft wall by the use of clamping... | 01/22/1985 |
| 4480872 | Modified strip mining apparatus An apparatus for strip mining using a power section driven into the cool and a conveyor section to transport the mineral out of the cut. The power section comprises a power driven cutter blade and conial flighting to convey the mineral to a conveyor belt ... | 11/06/1984 |
| 4456305 | Shield tunneling machine A shield tunneling machine having incorporated therein an earth removing apparatus which comprises a tubular casing having an earth inlet at one end and a closable earth outlet at the other end, and an earth transport conveyor rotatably provided within th... | 06/26/1984 |
| 4298230 | Tunnelling apparatus A tunnelling apparatus has an annular tunnelling element subdivided into a leading and a trailing chamber. The front end of the leading chamber is open to the material-removing face. A material-removing cutting device is lodged in an opening formed in the... | 11/03/1981 |
| 4193637 | Rotary cutterhead for an earth boring machine The main frame of the cutterhead comprises a plurality of radial spoke beams which are interconnected between a box-like hub structure and an annular box beam by which the cutterhead is mounted for rotation. Cutter mounting wells are defined by and betwee... | 03/18/1980 |
| 4192556 | Tunnel boring machines A machine for mechanical tunnel boring, of the rotating cutter head type, comprising a grid rigid with the cutter head, parallel to the theoretical boring surface, provided with a set of void spaces wherefrom the cutting tools slightly project, said void ... | 03/11/1980 |
| 4021075 | Excavators This invention relates to excavating apparatus for use in the mining of bituminous sands, oil shale or other friable mineral deposits, and particularly adaptable for use in the "Fixed Arch Shield" mining technique. The excavating apparatus of the inventio... | 05/03/1977 |
