This relates to a shutter for a rectoscope, comprising a bolt insertable into the anterior terminal cross section of the rectoscope tube, and a terminal part rigidly connected to the bolt, arranged at a distance corresponding approximately with the length of the rectoscope.

A portable computer includes a flat panel display unit, a first graphics subsystem used for displaying data on the flat panel display unit, a connector for connecting an optional second graphics subsystem to the portable computer, and a switch circuit for switching the operation of the first graphics subsystem to that of the second graphics subsystem or vice versa. When the second graphics subsystem is connected to the portable computer, the switch circuit switches the operation of the first gra...

A distribution center according to the present invention is capable of handling requests from a plurality of subscribers for accessing programs in a central audiovisual library. The subscriber requests may specify a variable time allowance interval within which a requested program may be delivered.

A scanning encoder comprises a code-generating means such as a binary counter which directly outputs a desired code to a decoder which produces a pulsed output which is unique to each of a sequence of asynchronous events. The decoder output signals are coupled to an event indicator which indicates the happening of any given event in the sequence. In an application to a data input keyboard the closure of a given key provides a conducting path whereby the decoder pulse for the corresponding code i...

A pressurized dispensing package of the type which includes an upstanding material dispensing stem having an actuator assembly mounted thereon which includes an annular resilient sealing member including a movable valving member, the valving member includes a frusto-conical actuating surface and a refill passage, a por.ion of which extends angularly of the direction of movement of the valving member to a port in the actuating surface. The sealing member is flexibly movable in response to movemen...

A profiled bottom wall for drawn, extruded and/or wall ironed cans having improved resistance against buckling under the internal pressure of a packaged medium. The profiled bottom wall includes an annular chime projecting inwardly and upwardly from the body wall which terminates in an annular bead. The construction is such that a 50 percent increase in resistance to buckling is achieved as compared to conventional bottom walls.

To drench a calf, a tubular esophageal speculum is inserted through the mouth of the calf into the esophagus. The speculum has a knob on the end which will enter the esophagus, but is larger than the larynx so it will not enter the larynx and it also will not pass the thorasic inlet. With the esophageal speculum safely in the esophagus, a flexible tube in extended from the end of the speculum into the rumen and the fluid pumped therethrough, thus accomplishing the direct rumen drenching process.

A miniature device for sensing overheating of bearings has a small flat-bottomed circular cup (e.g. fifteen millimeters in diameter) and has an integrally connected co-axial heat-conducting rod extending downwardly from its lower surface for good heat-exchange insertion into a bore made for it in a bearing element. The rod is preferably threaded to improve both its anchorability and its heat-exchange value. A bimetallic snap-disc thermostat lies in and on the bottom of the cup. A small inverted ...

A method is disclosed for mixing liquids in closed containers wherein the container is partially filled with a liquid such as paint and is moved over a closed path in a vertical plane such that the vertical velocity component of fluid movement causes a force component in the fluid within the container to displace the air therein away from the top of the container.

The method disclosed herein involves placing temperature sensors, such as thermocouples, in a die assembly to sense the operating temperature in both the normally cool zone and the normally hot zone of the die. Temperature distribution in the die is balanced by regulating flow of cooling water into the die to bring temperature of cool zone and hot zone as close together as possible. The temperature sensors are associated with an indicating controller and signal means to provide a visible signal ...