Abstract: A package comprising a tube of flexible material having a first and second end, a first ultrasonic seal extending transversely across the tube and closing said first end, a second ultrasonic seal extending transversely across the tube and closing said second end, a chamber formed by said tube and end seals for containing contents, a hollow stem extending through and supported by the second seal with an inner end inside the chamber and an outer end outside the chamber, and a removable seal closing the outer end of the stem, said stem seal being removable when it is desired to dispense the contents from the package.

Abstract: A method of and apparatus for converting a digital signal to sound, the digital signal being encoded in a sequence of code words at a signal encoding frequency, the code words representing the analog sound pressure of an original audio signal, with decoding of the digital signal occurring after electro-acoustic transduction through mechanical rectification and characteristics of a listener's ear, includes utilizing a plurality of substantially identical sound pressure generating elements each having an individual driver associated therewith, and selectively energizing the drivers in a pulsed manner at the signal encoding frequency in combination in response to a respective order of the bits of each code word of a digital signal from a most significant bit to a least significant bit.

Abstract: A safety guide for kelly spinner hoses in drilling rigs and a plurality of said safety guides in combination with kelly hoses and a rotary hose. Each safety guide comprises a pair of opposed rings, each adapted to receive and guide a kelly spinner hose, and a device for securing the rings to a rotary hose substantially in a plane perpendicular to the axis of the rotary hose. Advantageously, each ring has a rigid integral loop member and the securing device comprises a flexible band passing through said loop members. It is preferred to secure the band to the rotary hose with a buckle. In the combination, a plurality of the safety guides are spaced along the length of the rotary hose, preferably substantially equidistant.

Abstract: A portable keyboard support for use in combination with a table surface and a weight for supporting a keyboard has a first member adapted to overlie a table surface and support a weight for securing the first member to the table surface. A second member is located in front of and below the first member for supporting a keyboard and is connected by a third member to the first member. Advantageously, the second member slopes downwardly away from the third member and has a stop to prevent the keyboard from sliding off it. It is preferred to have the third member at right angles to the first member and adapted to abut against the front of the table.

Abstract: A compact integrated gas phase separator and subcooler for removing gas phases from a liquid gas and subcooling the liquid gas comprises a subcooler with a subcooler container having a subcooled bath of liquid gas, a gas phase separator having a container submerged in the subcooler bath, a tube for delivering liquid gas from a supply line into the gas phase separator, a coil extending from the gas phase separator for delivering the liquid through the subcooler bath to subcool the liquid and deliver it to an outlet tube to the supply lines. A takeoff tube and float valve delivers gas and liquid from the separator to the subcooler, and the heat from the coil vaporizes some of the liquid in the subcooler to reduce the level of the bath and to operate the float valve to deliver the gas from the separator to the subcooler and to replenish the level of the liquid in the subcooler by delivering liquid to it from the separator.

Abstract: A tilt truck which comprises a double-walled integral tank and frame of one-piece construction having an open top with a tilt front wall connected to a back wall by a pair of side walls and having a bottom wall connected to the bottom portion of the front, back and side walls, wherein the front wall slants away from the bottom wall, a rocker base is formed in the bottom portion of the front wall, push-pull and tilt hand holes are molded into back wall, and the tilt truck is rust proof, easily cleaned, easily handled and light in weight.

Abstract: For simple and rapid tightening of one or more presser belts of a continuous sheet feeder two support-levers are connected to a swivelling shaft next to the feeder frame, at the free ends of which the tension roller is pivoted. Furthermore, a tension lever is connected to the swivelling shaft. A holding member is slidably mounted on the swivelling shaft and can be fixed in any set position. One end of a spring engages the holding member and the other end is pivoted on the feeder.

Abstract: Hologram apparatus for detecting flaws has a photographic station for supporting a photosensitive medium. The photographic station together with the photosensitive medium forms a developing chamber with a transparent face having a depth in the range of from about 0.005" to about 0.125, preferably from about 0.005" to about 0.125". The developing chamber has a periphery with a contour which always changes at an angle greater than about 115.degree. and is preferably circular. Associated hydraulic equipment supplies and removes fluid from the developing chamber. A laser supplies coherent light for the article to be tested for reflection to the photographic station. A reference beam is directed to the photographic station. For use in inspecting pipe in the field, the apparatus advantageously has a housing and a pair of saddles each having different diameter pipe receiving portions and a strap securing system.

Abstract: A pipe connection fitting for connecting a branch pipe to a main pipe has a body with a nipple adapted to enter a branch opening in a main pipe and a bore in communication with the nipple for the connection of a branch conduit to the body. A seal surrounding the nipple for sealing against the pipe is mounted on the body. A pair of opposed ears are integral with the body. A strap has its free ends removably secured to the ears respectively. The strap has a threaded opening midway between the ends thereof with a break-away screw threaded through the threaded opening for engaging the pipe to secure the body to the pipe.

Abstract: A thrust bearing for use with a shaft having a collar mounted thereon, comprising a base ring, a thrust bearing shoe having a leading edge connected to a trailing edge by an inner diameter edge and an outer diameter edge and having a working face with a bearing liner on its surface, a series of shoes positioned on the base ring, a shoe pivot on each shoe allowing the shoe to pivot in any direction, an oil distribution groove formed in the working face near the leading edge of the shoe and extending radially for substantially the entire distance between the inner and outer diameter edges of the shoe, said oil distribution groove having an inner end and an outer end connected by a leading edge and a trailing edge, and a bleed groove extending radially from the inner end of the oil distribution groove to the inner diameter edge of the shoe for supplying oil to the inner diameter area of the shoe downstream of the bleed groove which downstream inner diameter area would otherwise be starved by oil by the centrifug

Abstract: An emergency air intake valve has a circular plate having a top and bottom and depending central portion adapted to be connected to a conduit. The plate and the depending portion have a vertical bore therethrough. A diaphragm overlies the top of the plate and has a central opening aligned with the bore. The diaphragm has an enlarged depending peripheral portion adjacent the diaphragm opening and adapted to contact the top of the plate adjacent said bore. A cap secures the outer edge of the diaphragm adjacent the outer edge of the plate and forms with the diaphragm a chamber above the diaphragm. The plate has at least one opening therethrough to provide communication between the bottom of the diaphragm and the atmosphere.

Abstract: A folding machine comprises at least one folding unit including a plurality of conveyor belts (12), a stop member (14) extending transversely of the conveyor belts, a plurality of folding rolls disposed below the conveyor belts and extending parallel thereto, a folding blade adapted to be moved within a gap defined by the folding rolls, and a detector device (light barrier 16). The folding machine is characterized by a length-of-path pulse generator (22) coupled to the conveyor belts (12), a presettable counter (24) coupled to the length-of-path pulse generator (22), the start input (26) of said counter being connected to the detector device (16) and the distance between the detector device (16) and the stop member (14) at least equalling the length of the longest sheet to be handled, and a logic circuit (30, 36, 38) adapted to start the folding blade driving means (21) only upon the counter (24) reaching a predetermined count and upon the terminal edge of a sheet having passed the light barrier.

Abstract: A flexible hose having an end connection fitting capable of withstanding high pressures and high end loads comprises a nipple having a stop ring on its outer periphery and a plurality of protruberances between the stop ring and the rear end of the nipple. A substantially tubular inner hose portion overlies the nipple, abuts the stop ring and extends away from the rear end of the nipple. A plurality of lays of spirally wound reinforcing wires overlie the inner portion of rubber and abut the stop ring. A sleeve overlies the nipple and is spaced therefrom. The inner periphery of the nipple has a roughened surface. A substantially tubular outer portion of an elastomer abuts the rear of the sleeve and overlies the reinforcing wires outside of the sleeve. A synthetic resin permeates the space between the wires and fills the space between the inner periphery of the sleeve and the inner portion of elastomer.

Abstract: A pharmaceutical tablet consists of a substrate containing a medicament and may be covered with a coating, said coating including a pigment comprising a natural water insoluble edible powder dyed with an edible natural dye. The pigment for coloring the tablet, or other pharmaceutical products, as well as food and cosmetics, is made by suspending a natural water insoluble edible powdered substrate in an aqueous vehicle and dyeing the suspended powdered substrate with an edible natural dye. The liquid is removed to obtain the dry pigment powder of the invention which then can be suspended in a suspending medium and used for coating products to be colored such as food, drug and cosmetic products.

Abstract: An anti-fog liquid coating composition comprises: a polymer which is polyvinylpyrrolidone, polydimethylacrylamide or a polyvinylpyrrolidone copolymer with a polymerizable alpha olefin free of functional groups reactive with isocyanates; a polyisocyanate prepolymer; a surfactant which will chemically bond to a reaction product of the polymer and prepolymer, and an organic solvent to form a solution of the foregoing ingredients.The invention includes a substrate having an anti-fog transparent coating comprising the reaction product of polyvinylpyrrolidione, a polyvinylpyrrolidone copolymer with a polymerizable alpha olefin free of functional groups reactive with isocyanates or polydimethylacrylamide with a polyisocyanate prepolymer, said reaction product being chemically bound to a surfactant.

Abstract: A multiple pane glass window unit comprising an outboard glass sheet spaced apart from an inboard glass sheet, spacer members positioned between and connected to the horizontal and vertical portions of the glass sheets to space them apart, said spacer members including a horizontal head spacer member connected to a horizontal sill spacer member by a pair of spaced-apart vertical side spacer members, said vertical side spacer members spacing apart the glass sheets and stiffening and supporting the side edge portions of the glass sheets against pressures of wind and rain and the elements, and factory-affixed gasket members attached to the vertical edges of the side spacer members for sealing the vertical space between side-abutting window units, said gasket members being adapted to be compressed between the sides of side-abutting window units, said side spacer members including a side spacer member that is U-shaped in cross-section with the legs of the U facing sideways from the window unit, a foam spacer tape

Abstract: Hologram apparatus for detecting flaws has a photographic station for supporting a photosensitive medium. The photographic station together with the photosensitive medium forms a developing chamber with a transparent face having a depth in the range of from about 0.005" to about 0.125, preferably from about 0.005" to about 0.125". The developing chamber has a periphery with a contour which always changes at an angle greater than about 115.degree. and is preferably circular. Associated hydraulic equipment supplies and removes fluid from the developing chamber. A laser supplies coherent light for the article to be tested for reflection to the photographic station. A reference beam is directed to the photographic station. For use in inspecting pipe in the field, the apparatus advantageously has a housing and a pair of saddles each having different diameter pipe receiving portions and a strap securing system.

Abstract: A pipette device comprises one or more pipette tubes. Hydrophobic filter paper secured to each tube limits the upward movement of an aqueous liquid in each tube to provide for a predetermined amount of liquid in each tube. The device can be adapted to be connected to a manifold for alternately applying a vacuum and pressure to the pipette tubes through the filter paper. Alternatively it may have, as an integral part thereof, a manifold for the same purpose.

Abstract: A syringe loader and method that fill a syringe with a correct dosage of two or more ingredients without referring to or seeing the syringe graduation markings, comprising a bottle holder cradle, a syringe carriage slidably connected to the bottle holder cradle, alignment apparatus for aligning the syringe with each of the bottles and inserting the syringe needle into each bottle, and a dosage gage and a dosage stop indicator for loading the correct dosage from each bottle into the syringe.