A catheter introduction apparatus provides a radially expandable helical coil as a radiofrequency emitter. In one application the emitter is introduced percutaneously, and transseptally advanced to the ostium of a pulmonary vein. The emitter is radially expanded, which can be accomplished amongst other means by inflating an anchoring balloon about which the emitter is wrapped, in order to cause th...

A user interface such as personal digital assistant communicates wirelessly with a tool selected from the group consisting of a well tool and a tool containing explosive elements. Independent claims are included for the following: (1) Tool testing apparatus; (2) Perforating method using tool; (3) Tool testing method; (4) Inventory control method; (5) Article comprising storage medium recorded...

A system for communicating with downhole tools and devices is disclosed. The system includes multiple communication devices which, in combination, permit operators at the surface to operate downhole tools and to receive feedback regarding the state of the tools.

The present invention relates to method and a system for tracing items (13) through a non-synchronized process. Information relating to items going through processing is obtained by a control mechanism, such as any processing device or an autonomous robot for transferring the item. The placement or position of the item after processing or transfer is stored as traceable information for the transfe...

The present invention relates to a coupling device, includes a base seat, plural locking units, a bottom piston, a coupling seat and a top piston, wherein the base seat has an accommodating chamber, a hollow main shaft is provided inside the accommodating chamber, the hollow main shaft has a plurality of transversal controlling holes, and each of the locking units is respectively provided with a c...

A structure of main shaft with hydrostatic pressure is disclosed, includes a shaft seat, a main shaft, two shaft linings, two rear covers, one oil route distributing device, plural first regulating devices and plural second regulating devices; wherein a chamber is provided inside the shaft seat, each of the shaft linings is respectively provided at the two ends of the shaft seat, each of the shaft...

A carrier head of a chemical mechanical polishing apparatus has a support, an elastic membrane secured to the support and spaced from the bottom surface of the support so that a pressure chamber is defined between the membrane and the bottom surface of the support; and at least one annular barrier of elastic material extending from the bottom surface of the support. Each barrier has an annular par...

A magnetic tool organizing system including a base substrate having an inner base substrate area, a base substrate front surface and a base substrate rear surface; at least one magnetic element positioned at least partially within the inner base substrate area. In one embodiment, a cover element, including a rim portion, is positioned adjacent the at least one magnetic element, and the rim portion...

The invention discloses a mold pressing manufacturing method for a filament winding cone composite pipe element. The method comprises the following steps: first, a stripe material cut with a predetermined width is wound on a cone mandrel to form a cone tubular blank; then the front and rear redundant portion of the cone tubular blank are cut in need, the mandrel is removed to obtain a wound blank;...

The object of the present invention is to provide a laminated film excellent in light resistance, scratch resistance, transparency, dimensional stability and adhesion to a hard coating layer. The present invention is a laminated film comprising a base material layer, an easily adhering layer and a hard coating layer, wherein the easily adhering layer is formed on the base material layer and th...

There are provided: an easy-release laminate having a high adhesive property when in use while allowing easy release of a substrate thereof when irradiated with energy, the laminate comprising (A): a substrate, (B): an adhesive that becomes capable of release when receiving energy, and (C): an adhesive that does not become capable of release even when receiving energy, which are laminated sequenti...

An optical recording medium provided with a recording layer that comprises a cation represented by the following general formula (1) and a chelate compound of an azo compound represented by the following general formula (2) and a metal. In the formulas, R1-R4 each independently represent a monovalent group represented by Chemical Formula (10) below or other groups, R5 and R6 each independently rep...

A process for the production of a pencil comprising a front casing portion having a longitudinal axis, and a lead holder with a holding region which is adjustable in its internal dimensions transversely with respect to the longitudinal axis. The lead is at least partially introduced into the holding region while a front end of the holding region is outside the front casing portion of the pencil or...

A system for decoupling a restraint from a railcar is provided. According to one embodiment, the system comprises a lifting device and a decoupler apparatus. The lifting device is structured to position the decoupler apparatus adjacent to the restraint. The decoupler apparatus includes an elongate member and a decoupling member attached to the elongate member. The decoupling member is structured t...

In a parking assistance apparatus disclosed herein, a position and a yaw angle of a vehicle are acquired continuously from an initial stop position A, and a vehicle mark C2′ in moving the vehicle backwards with a steering angle maintained during a backward movement operation from a backward movement start position B in parking the vehicle in a target parking space S is displayed on a display. The ...

A motorcycle disc brake lock comprises a lock body and a reinforcement unit embedded in the lock body. The lock body has a slot for receiving a disc brake pad. The slot includes a first wall, a second wall extended from the first wall, and a third wall extended from the second wall and opposite to the first wall. The reinforcement unit includes a first enhancement plate having a first substrate an...