A gasket well/gasket combination ( 30 ) is provided, and may be particularly useful for use in a header/tank assembly ( 12 ) for a heat exchanger ( 10 ). The combination ( 30 ) includes a gasket well ( 32 ) defined by a base wall ( 36 ) and a side wall ( 38 ) extending upwardly from the base wall ( 36 ), with the side wall ( 38 ) including an upwardly opening slot ( 40 ) having a width (SW). The c...

A metal face seal for an earth boring drill bit where the drill bit has a bit body, at least one bit leg, a bearing pin on each bit leg, and a cone rotatably mounted on each bearing pin. The metal face seal is located in the cavity formed between the interior surface of the cone and the bearing pin. The metal face seal consists of a rigid seal ring having a forward surface that engages a rotating ...

The device (10) is made of a thin metal and has a trapezoidal outer contour fitting into the space behind the upper layer of the knot of a tie. It has two arms (14) with triangular reinforcement areas at their upper ends and a transversally positioned lower segment. An ornamental object (16) of a suitable size like a pearl or a precious or semi-precious stone provided with a small pin (18) or chai...

A method for transmitting data, the data to be transmitted being divided into at least two data packets; the data packets being transmitted in at least two transmission modes; an assignment between the data packets and the transmission modes being made in such a way that one of the transmission modes is assigned to each data packet; at least one data packet, to which a first transmission mode is a...

A reverse-circulation drilling method and system includes a drill bit, a drill string having drill rods, and a rotary table or power swivel for bringing the drill bit into rotation by means of the rods. The system includes a positive-displacement pump made up of a stator and of a rotor, the stator being inserted in the drill rods, and the rotor being assembled to operating rods arranged within the...

An electric heating structure including a substrate and a heating element having a given specific resistance. The heating element includes an electrically conductive layer deposited on one of the faces of the substrate and supplied electrically, the heating element including a network of patterns functionally connected to the electrically conductive layer.

Separate chute components (2) coaxially mounted and telescopically stacked above each other, and connected by flexible connecting devices such as wires (3) have replaceable wall components (10). An independent claim is also included for a wall component for chute.

The present invention relates to an arrangement (1), which can be readily manoeuvred by an operator (0) and which comprises a power unit (IA) driven by combustion engine (10) on a rotatable driven shaft, a coupling unit (11) co-ordinated on one side with said driven shaft and on the other side with a tool unit (IB), either directly or indirectly. A fluid pum¬ ping unit (12) is co-ordinated directl...

An actuator device for a clutch, where the clutch is enclosed by a clutch housing located between the vehicle's engine and a gearbox enclosed by a gearbox housing. The gearbox comprises a plurality of gear wheels, and a shift mechanism to which information concerning gear selection is transmitted from the gear operating unit, where the shift mechanism is equipped with one or more shift forks conne...

A strained semiconductor heterostructure (10) comprises an injection region comprising a first emitter layer (11) and a second emitter layer (12) and a light generation layer (13) positioned between the emitter layers (11, 12). An electron capture region (14) is positioned between the light generation layer (13) and the second emitter layer (12), said electron capture region comprising a capture l...