Abstract: A thermal cutoff including a dielectric bushing having opposite ends and a hole therethrough. A wire lead received through the hole has an enlarged contact thereon adjacent one bushing end, and an enlarged deformation thereon adjacent the other bushing end. The contact and deformation prevent relative longitudinal movement between the bushing and lead.

Abstract: A thermal cutoff includes a housing having a resistive coating bonded thereto, and defining a heater for heating the thermal cutoff to its firing temperature.

Abstract: A rotary actuator having a housing defining an opening, an output shaft extending through the opening, a stator vane and rotor vane associated with the output shaft and opening to define a plurality of actuation chambers and an inner surface of the housing extending inwardly past a shoulder portion of the output shaft to seal directly against the shaft.

Abstract: The present invention relates to a method of manufacturing printed circuit boards.The method of manufacturing printed circuit boards under the present invention is to provide holes on a metal plate, to attach a prepreg to the metal plate, and to fill the prepreg into the holes by heat-pressing the metal plate to which the prepreg is attached. Thereafter, lead wire holes are provided at the centers of prepreg filled the holes, and a resin plate having at least one circuit layer and through holes is glued to the metal plate. Alternately, a resin plate having at least one circuit layer and lead wire holes, or a resin plate having at least one circuit layer, through holes and lead wire holes are glued to the metal plate on the side where the prepreg is attached.

Abstract: A razor blade holder including a longitudinal slot for receiving a razor blade, first and second offset finger gripping elements and a clamping element provided within the slot for clamping a razor blade in the slot of the holder. The holder grips the blade with the point ready to use. Further, the blade is tightly clamped in the blade receiving slot so that the likelihood of movement of the blade relative to the holder minimized. In addition, the offset relation of the finger gripping elements enables the holder to be balanced to fit ergonomically between two or three fingers and thus fits relatively naturally within the hand and grip of the user.

Abstract: A gas-fired water heater including a tank to contain water to be heated and a flue extends axially through the tank. A burner is located at the lower end of the flue and has a smaller cross sectional area than the flue to provide an annular space between the burner and the lower end of the flue. The burner has at least one outlet port that directs a flame pattern in proximate relation to the lower end of the flue. A locator assembly supports the burner from the flue and positions the burner axially of the flue.

Abstract: A process for obtaining a gaseous sample from a stream containing solid particulate material, a gas, water and steam which comprises withdrawing a stream containing said particulate material, a gas, water and steam from a system containing the same through an elongated tubular member extending into said system and discharging said stream from said tubular member externally of said system, heating said stream in its passage through said tubular member, removing from said tubular member externally of said system a gaseous sample consisting essentially of said gas and said steam through a porous section of said elongated tubular member having openings in the wall thereof smaller in cross-section than the solid particulate material in said stream, and apparatus for carrying out the same.

Abstract: Green coffee is decaffeinated in a continuous economical process without organic solvent. Caffeine is extracted from a solution of green coffee solubles with supercritical carbon dioxide in a novel extractor under specified conditions.

Abstract: A random size carton sealer for folding and gluing carton flaps is disclosed which includes an infeed conveyor; three transfer sections; three flap folding, gluing and compressing sections; and an outfeed section. The cartons to be sealed by the apparatus normally have three sets of top and bottom flaps and two minor flaps for sealing. The infeed conveyor conveys cartons onto the first transfer section. The first transfer section transfers cartons to the first flap folding, gluing and compressing section. The first flap gluing, folding and compressing section seals a first set of top and bottom flaps on a carton and then conveys the carton to the second transfer section. The second transfer section folds a first minor flap on cartons and conveys the cartons to the second flap folding, gluing and compressing section. The second flap gluing, folding and compressing section seals a second set of top and bottom flaps on a carton and then conveys the carton to the third transfer section.

Abstract: A clamping device with a support having a seat for receiving an object to be clamped and at least one clamping chain for abutment with the object to hold the object on the support. The chain is received in a pocket on the support and releasably secured therein by a clamp. A tensioner draws the chain into firm engagement with the object to secure it to the support.

Abstract: A mailing envelope that has a closure flap and is provided with lines of perforations that divide the envelope into separable two portions, one of which is usable as a mailable envelope. The perforations are spaced from edges of the envelope so that the envelope resists inadvertent breaking along the lines of perforations during stuffing and handling during mailing.

Abstract: A pneumatic cylinder having an elongatged cylinder member, a reciprocally movable piston, an elongated slot formed in the cylinder member, a seal for sealing the slot during reciprocal movement of the piston and a transfer means for transferring reciprocal movement of the piston to a workpiece. The above pneumatic cylinder includes a mechanisn for providing pneumatic fluid pressure to a secondary pneumatic unit connected to, and movable with, the piston including a manifold connected with the transfer means and conduit members extending from the pneumatic chambers in the cylinder member for directing pneumatic pressure from such chambers to the transfer means.

Abstract: An apparatus for the cooling of dust or finely granular bulk material, having a vertical cylindrical cooling jacket, the externally cooled cylindrical surface of which is fed with the material to be cooled from the inside by means of an annular conveyor worm which conducts the material upward and presses it by centrifugal force against the heat exchange surface. In order to be able to materials which are subject to explosion safely with the apparatus, the conveyor worm is arranged on the cylindrical surface of a cylindrical hollow body which is closed at its ends, fills the greatest part of the inside of the cooling jacket, and is driven by a motor.

Abstract: An electrical discharge machine including a pick-and-place system for transferring electrode refeed cartridges from a storage turret to an EDM work station from either one or two indexable turrets. A plurality of equally spaced electrode cartridge assemblies are each removably mounted on each turret by magnets and guide pins. A slide assembly is vertically positioned between a cartridge assembly load and unload elevation and an EDM work station elevation. The slide assembly includes a movable connector plug assembly selectively driven by an EDM cylinder fixed on the slide assembly. The connector plug assembly supplies refeed cylinders on a slide mounted cartridge assembly and vertically reciprocates a power connector receptacle and drive head on such cartridge assembly. The receptacle and drive head include an electrode guide board guiding one or more electrodes with respect to a workpiece.

Abstract: A discharge chute unit is provided for attachment to a coffee grinder which has a discharge opening in the underside of a grinding chamber. The upper end of the discharge chute unit is mounted under the discharge opening and provided with de-chaffing the de-plugging means. A baffle is pivotally mounted in the upper end of the chute unit below the de-chaffer and de-plugger and normally biased in a position to deflect the flow of ground coffee and chaff toward the back side or rear wall of the chute member. The free discharge of chaff into the chute unit is prevented by a de-chaffer having reed-like de-chaffing members which yieldably obstruct the inlet opening into the chute unit without overly interfering with the discharge and flow of ground coffee from the grinding chamber into the chute unit.

Abstract: A thermal cutoff having a metal foil resistance heater circuit bonded to its outer surface.

Abstract: A thermal protector including a thermal cutoff and a device having a positive temperature coefficient of resistance, both mounted in a common housing and connected in series.

Abstract: A rubber band powered gun includes a barrel assembly within which a projectile traveller slides between a cocked position and a release position. A singulator also slides in the barrel assembly and feeds a single projectile from a magazine to the traveller each time the traveller moves from the release to the cocked position. A slide, movably mounted on the barrel assembly, engages and moves the traveller to the cocked position. At the cocked position, the slide disengages the traveller and is movable toward the release position. A rubber band is connected between the traveller and the slide for exerting an elastic force directed toward the release position on the traveller at the cocked position in response to movement of the slide toward the release position. A trigger is provided for retaining the traveller at the cocked position while the slide moves toward the release position. A mechanism retains the slide at the release position.

Abstract: A gauge for travel along and continuous monitoring of deviations in the dimensions of a structural channel member or the like includes a wheeled carriage which carries individual gauges for tracking and monitoring deviations in the web width, flange angle and flange height of the member as the carriage moves therealong. The gauge is adjustable for use on members having different nominal web width and flange height dimensions.