Abstract: An apparatus and methods of opening containers which permit the user to remove the entire flat upper planar surface. The apparatus and methods, incorporate a platform with a plurality of arms operatively coupled to respective blade members that engage inner circumferential edge of a container by folding the edges inward. The blade members and arms are operatively coupled to a lever and rotate outward when the lever is compressed. The inventors have determined that apparatus and methods provided herein are able to adhere to the different sizes and contours of a sealed can lid. Additionally, by way of example, the inventors have determined that apparatus and methods provided herein can permit the user to safely remove the top of the can with both ease and efficiency.

Abstract: An apparatus, system, and method for cutting tubes has a scarf cut made in a direction transverse to a cut-off direction. The scarf cut passes through a thickness of a tube wall and forms an opening that receives a tip of a cut-off blade. The cut-off blade has cutting edges with an angle that engage ends of the opening such that a slug is forced upward and outward relative to the tubes. The scarf blade, the cut-off blade, and a clamping jaw may be moved in a coordinated manner by separate drivers operated under control of an electronic controller.

Abstract: A device for cutting pipe internally includes an annular cutter head having a plurality of circumferentially spaced openings therethrough, a stepped drive shaft extending from the cutter head and having a longitudinal bore therethrough and an adapter at the distal end of the drive shaft for connection to a rotary drive member. A frustoconical mandrel has a threaded rod extending from one end thereof through the shaft bore to the distal end of the shaft where it threadably engages a nut held stationary with respect to the drive shaft. The mandrel has a plurality of inverted T-shaped slots extending along the frustoconical side thereof, each slot receiving the T-shaped projection on a cutter body. Each cutter body has a rotatable cutter wheel mounted thereon, the wheel being adapted to project through a corresponding opening in the cutter head. Rotation of the drive shaft by the rotary drive member will cause rotation of the mandrel and the threaded rod.

Abstract: An improved aquarium includes an aquarium having structure on the sides thereof to permit the placement of a plurality of plates having different designs and configurations thereon. Plates having different aquatic designs thereon provide an enhanced three-dimensional effect to the aquarium. Furthermore, a plate having a mirrored surface thereon may be installed in the aquarium to create the illusion of a larger aquarium. The aquarium includes structure to permit the interchangeability of different plates such that the overall aquarium appearance may be readily transformed.

Abstract: A milling machine is set forth for operation on a pipe string in a cased well to mill the casing. In one embodiment, an inner mandrel having a shoulder is aligned relative to a set of first cutters which are retracted. They are radially extended through slots in an outer body for cutting operations when the pipe string is rotated. Extension is acccomplished by raising pump pressure to move an inner mandrel having a shoulder juxtapositioned relative to the cutters. In an alternate embodiment, the inner mandrel has two shoulders which cooperate with two separate sets of cutters wherein the first set is fully extended and the second set in only partially extended. The coil spring controlling the shoulder for the second set of cutters. The lower end of the tool body includes a constricted outlet orifice for mud flow and an alternate pathway through the inner mandrel and outer body is provided to flush cuttings and chips from the cutters.

Abstract: A punch tool is disclosed for puncturing the walls of heat exchanger tubes when they become worn in order that the tubes may be repaired. Said tool comprises a hardened, longitudinally drilled, steel rod that is able to fit within the heat exchanger tube. A piston with a cutting bit is fit within a milled slot that communicates with the longitudinally drilled hole of the hardened rod. Once the tool is inserted into a tube to be repaired hydraulic pressure is applied and the piston is forced outward thereby puncturing the tube.

Abstract: The cutter blade and mandrel of a tube cutter coact through sloped surfaces having a tongue-and-groove connection. Relative axial movement between the mandrel and cutter blade causes the cutter blade to move radially inward or outward and the tongue-and-groove connection permits the mandrel and cutter blade to rotate as a unit to thereby increase the effective cutter height of the blade by the height of the underlying mandrel.

Abstract: A tube trimming device for cutting each of a plurality of closely spaced projecting tubes an equal distance from a reference or support wall. The device comprises inner and outer tubular housing members that are telescoped together for relative sliding movement through a limited range of travel. A spring extends the two members. A stationary bushing is connected to the projecting end of the inner member to set the desired location of a cutter wheel rotatably mounted on one end of an arm that is pivotally connected to the inner member on the inside. The other end of the pivoted arm has a cam follower that rides on a conical cam surface of the outer member. The tubular inner member is inserted over the projecting end of the tube to be cut, with the stationary bushing pressed against the reference wall. The outer housing is rotatably driven by a motor while, at the same time, the outer housing is pushed toward the reference wall.

Abstract: This invention relates to an apparatus for cutting away rivets of tensioned reinforcements which are protruding beyond the surface of a tension plate used for tensioning the reinforcements in order to increase the strength of a concrete product, characterized in that a chisel, for cutting rivets formed at the end of the tensioned reinforcements, is provided in such a manner that it can slide along the normal line of the tension plate and in contact with the surface of the tension plate, the chisel being interlocked with a fluid-pressure sliding mechanism, and further an immovable part of the mechanism is engaged with a part of the tension plate so that the counter force against the cutting by the chisel is obtained from the tension plate.

Abstract: The present invention relates to the removal of an under-the-sink waste disposer; and more particularly relates to a tool for facilitating the removal of such a waste disposer that must be removed for replacement or for repair. The disclosed tool obviates the need for a plumber to crawl into a small cabinet, and to struggle with corroded and rusted fasteners. Instead, the disclosed tool permits the plumber to work from above the sink, where there is plenty of room.A portion of the disclosed tool is dropped into the sink drain; and cuts away the element that supports the waste disposer. In this way, the plumber may work with ease; and may remove the waste disposer from the under-the-sink cabinet when the disposer has been completely freed from the sink.