Abstract: A self-erecting, coiled metal tube comprises a helically wound ribbon of spring material having an inside surface and an outside surface, the ribbon having adjacent turns stressed to coil in tight overlapping and telescoping engagement, and a textured surface formed on the outside surface of the ribbon so that when the ribbon is extended, the textured surface of an underlapped turn of ribbon bears against the inner surface of an overlapped turn of ribbon to create friction between the adjacent turns of ribbon and control the length of extension of the ribbon tube and strengthen the tube.

Abstract: The invention concerns a fireproof ceramic terminal brick for a tapping system in particular in steel converters or electric furnaces composed of several fireproof ceramic founder's bricks arranged in a row, together enclosing a passage opening for the steel smelt, thereby characterized in that the terminal brick is formed in two pieces vertical to the direction of flow of the steel smelt and the lower section in the direction of flow of the smelt is formed as a cylindrical body that can be pressed firmly against the upper section of the terminal brick, arranged above it, in such a way as to seal but remaining detachable from it.

Abstract: A diaphragm assembly for the ends of railroad passenger cars comprises a head section, a sill section, and a pair of spaced apart upright side sections which connect the ends of the head and sill sections together. Each section is made of a single cast of urethane and is a molded integral section. Each section includes a channel member which has a pair of legs separated at one end and connected together at the bottom of the legs by a base member having a face portion with a hard rubbing surface for rubbing against a similar rubbing surface of an abutting diaphragm assembly. Hard flanges are molded onto the separated ends of the legs for mounting the channel member onto the door frame of the railroad car, and, in the side and head sections, a series of spaced-apart posts extend inwardly from the base member between the legs for insertion into a guide channel on the door frame of the railroad car to prevent lateral movement of the channel member.

Abstract: A disposable preselected-volume capillary pipet device comprises a capillary tube having an admitting emitting end for liquids and a vent end for passing air from the tube as the liquid is being drawn into the tube by capillary action, a port at the admitting-emitting end for admitting and emitting liquids to the capillary tube, a port at the vent end of the tube for passing air freely from the tube, a barrier plug for passing air and stopping the passage of liquid through the tube, with the barrier plug being positioned in the tube at a preselected distance from the admitting-emitting port to define a liquid chamber of preselected volume, and a plunger for pushing the barrier plug from the vent end to push the preselected volume of liquid out of the liquid chamber. The barrier plug may be mounted in the tube or in the head of the plunger.

Abstract: An offset ratchet wrench for loosening and tightening nuts connecting copper tubing to faucet connections comprises a wrench body portion having a circular hole extending through it, the wrench body portion having a passageway or gap portion between the circular hole and an outer front side portion of the wrench body portion, the wrench body portion having a recess in its top surface next to and in partial contact with the circular hole, a pawl mechanism mounted on the body portion inside the recess, a nut driver having a hole extending through the nut driver from its top to its bottom, the nut driver having an upper portion and lower portion, the hole through the nut driver in the nut driver upper portion having a hexagonal-shaped periphery for engaging the nut, the lower portion of the nut driver having a substantially circular outer periphery and having a row of teeth encircling its outer periphery that are engaged by the pawl when the lower portion of the nut driver rests inside the circular hole of the w

Abstract: A document imprinting device for imprinting on documents such as checks comprises a frame, a document feeding mechanism mounted on the frame for sequentially feeding documents, a conveying mechanism for conveying a document from the document feeding mechanism along a document conveyance path, an imprinting mechanism for imprinting the documents conveyed along the document conveyance path, and a sensing mechanism positioned along the document conveyance path for sensing the position of the documents and for triggering the imprinting mechanism such that the document is imprinted at a desired location on the document.

Abstract: The spring (6) has two radially aligned legs (7, 8) and a circular-segment-shaped web (9) connecting the legs. The web (9) is inserted with initial stress in a circumferential groove (10) of an unwinding core (3). The free end of the leg rests against a stop (11). The free end of the leg (8) is bent at a right angle. The right-angle bend forms a deflecting organ (12), around which the ribbon (5) is fed. The surface of the spring (6) is roughened and abrasive at least in the area of the web (9). The spring (6) is preferably phosphatized for this purpose. By means of this design, a uniform ribbon tension over the entire running time of the ribbon is achieved.

Abstract: A process for making optical mirrors which includes making a rough plaster casting to about the desired shape of the mirror, with the casting having a rough surface, and then applying successive thin layers of polyester resin to the surface of the rough casting to form a finished casting having a smooth coated surface suitable for use as an optical mirror.

Abstract: A procedure and a device for determining corrosion of preferably insulated structural parts (2) assures in a simple way early detection of corrosion. For this purpose an electric conducting resistance wire (4) exposed to the same corrosive medium, e.g. condensation water, as the structural part (2) to be examined for corrosion is placed outside the structural part (2) and the electrical resistance of the resistance wire is measured. The effective cross-section of the resistance wire (4) and its electrical resistance change with the corrosion of the resistance wire (4) so that the resistance change of the resistance wire (4) registers the effect of the corrosive medium.

Abstract: A golf ball which is easily identified without touching the ball, rolling it over or picking it up, even though it may lie in deep rough or be almost completely buried in a sand trap. A method of making a better golf shot comprising providing a golf ball with a multitude of separate and distinct identifying marks on the cover being spaced-apart so that at least one mark is visible to the eye no matter how the ball lies, and whether or not it lies in deep rough or is almost completely buried in a sand trap, and a method whereby the golfer focuses his or her eyes on a single selected mark without distraction from other marks.

Abstract: Food stuffs are sterilized in a processing room, packing receptacles or a refrigerator with the aid of a mixture of ozone gas and carbon dioxide gas and/or nitrogen gas. Packing receptacles are sealed after they have been filled up with the mixture. Equipments comprise a gas feed apparatus for feeding the mixture into the processing room or refrigerator and a gas control device for maintaining a fixed mixing ratio of ozone gas to carbon dioxide gas and/or nitrogen gas.

Abstract: A sewage treatment plant for the purification of waste water includes a chamber container (1) divided by partitions (4) into different sections (6, 7, 8) for pretreatment, biological treatment, chemical treatment, intermediate or retreatment of waste water, each section (6, 7, 8) having several chambers (6a through f, 7a through f, 8a through f) separated from one another by dividing walls (4, 5), chambers (6a through f, 7a through f, 8a through f) being linkable, with regard to inflow technique, in any pre-selectable association depending on the quantity and type of waste water to be treated, and at least one installation for removal of deposited treatment sludge in each of the areas for pretreatment, intermediate treatment and retreatment.

Abstract: A batch method and apparatus for bending glass sheets includes an oven where the glass sheet is oscillated back and forth on mini-rollers until it reaches a hot, softened condition, at which point the vertical position of the rollers is changed so that the top surface of the rollers have the contour of a desired bent glass sheet. The hot glass sheet conforms to the contour of the rollers and is quickly transferred to a quench section for quenching. The quench section includes rollers and quench tubes which have the same contour as the bent glass sheet.A continuous method and apparatus for bending glass sheets includes an oven having a heating section where a glass sheet is heated to a hot, softened condition while being conveyed on full faced rollers, and a bending section having minirollers which support the flat glass sheet and then change in vertical position to the contour of the desired bend for bending the hot, softened glass sheet.

Abstract: A method of marking forms such as pharmaceutical tablest, capsules, confectionery and food with a water based ingestible ink comprising mixing pigments, a polymer, and optionally a plasticizer into water to form an ink dispersion, and printing the ink dispersion onto said forms to form a trademark, logo, or the like.

Abstract: A document imprinting device for imprinting on documents such as checks comprises a frame, a document feeding mechanism mounted on the frame for sequentially feeding documents, a conveying mechanism for conveying a document from the document feeding mechanism along a document conveyance path, an imprinting mechanism for imprinting the documents conveyed along the document conveyance path, and a sensing mechanism positioned along the document conveyance path for sensing the position of the documents and for triggering the imprinting mechanism such that the document is imprinted at a desired location on the document.

Abstract: The invention refers to an aeration installation for introducing a gas, in which a cover is arranged on a foundation, through which the gas is able to penetrate this covering through individual, delimitable sections.

Abstract: A cover assembly installable on the open bed of trucks adapted to be mechanically drawn over or withdrawn from the top of the truck bed by means of a pulley operated looped cable attached to a movable tarpaulin. Lateral, front and rear enclosure members are connected with said tarpaulin so that in the drawn position, the interior of the truck bed is completely covered.

Abstract: A recycling trash box for holding different types of trash in separate compartments which comprises a box having a bottom wall, four side walls extending upwardly from the bottom wall, and a top wall positioned above the side walls, the box having an upright center dividing wall attached to and extending between two opposite side walls to form two compartments in the box, and the top wall having openings formed therein to permit trash to be inserted into each of the two compartments.A plastic disc is rotatably mounted to the top wall for opening and closing the box, and it has an opening near its rim. The box is opened by rotating the disc until the disc opening is aligned with an opening in the top wall of the box, and the box is closed by rotating the disc until the disc opening is not alinged with an opening in the top wall.

Abstract: An electrode unit for use in an analyzer of blood and of liquids includes a cylindrical outer housing having open ends and a pair of top hat end plate bushings each having a central bore and a plug portion, the bushings being positioned in each end of the housing with the plug portion directed into the housing to form a filling chamber with the inner surface of the housing. A sodium glass capillary tube is mounted in the bores of the bushings. An annular groove is formed in an end flange portion of each bushing so that a connecting alignment ring may seat in the bushing annular grooves of two adjacent electrode units to center the electrode units.

Abstract: A container for attachment to a ladder has a bottom wall, four upwardly depending side walls, and a pair of elastic cords having hooks on both ends wrapped around the outside of the container and around a ladder where the hooks are hooked together. The elastic cords are supported on a side wall of the container by a pair of belt loops formed in the side wall which snugly hold the elastic cords in place. The container is quickly and easily attached and detached from the side rail of a ladder.In another embodiment of the invention, the container includes a handle, two pairs of L-shaped flanges formed on the outside walls of the container for holding work tools such as roller brushes and sanding poles, and a removable divider positioned inside the container to separate the container into two distinct portions.