Abstract: Apparatus for monitoring the percent of grade and controlling machinery in response thereto is disclosed. A novel grade sensor A includes a reservoir 14 filled with a translucent fluid medium 30 to a predetermined level L. Grade sensor A is adapted for attachment to associated machinery such as casing head 50 of casing pipe 40 being simultaneously bored and pushed underground. A light emitting diode 18 transmits light through the fluid containing reservoir. Light detector 16 is located opposite the diode for detecting light intensity and has an output representing the intensity. Light intensity changes due to changes in the orientation of the sensor and inclination of the surface level of the fluid medium is used to indicate changes in percent of grade. Electrical means F converts output of detector 16 into a visual display of percent of grade change.

Abstract: An adjustable wraparound sleeve A member is disclosed for attaching a center brace 26 between top and bottom frame slats 16, 18 on a heddle frame 10 of a loom. The sleeve member may be adjusted longitudinally on the frame slat and set in place by means of locking members 56 having means C for access from above each sleeve member 30, 32 with respect to vertical arrangement of the heddle frame 10 on the loom. The locking members 56 clamp the top and bottom frame slats 16 and 18 between block elements 44 and 50 in each sleeve member 30, 32. Each block element 44, 50 is threaded to receive locking members 56 from the top of either slat so that the sleeve member A may be interchangeably used on either slat.

Abstract: A high-temperature furnace basket 10 is disclosed for carrying work pieces during heat treatment. The basket includes a top rim A and a bottom rim B interconnected by frame sides 20a, 20c and ends 20b, 20d. Rim A includes a closed loop 12 having an uninterrupted load bearing surface 16 around the entire perimeter of the basket. Rim B includes closed loop 14 having an uninterrupted contacting rim surface 18. When stacked, contact around the total perimeter of the basket is provided between rim surfaces 16 and 18 to evenly distribute the load of stacked baskets under high temperature loads and stresses. Staggered retaining devices 54, 56 and 58,60 provide inverted stacking as well as normal stacking.

Abstract: A method and apparatus for the automated mass production of glue-chipped glass having a well-defined uniform chipped glass pattern is disclosed which includes pretreating sheets of glass to roughen their surface and then apply a desired amount of glue in a uniform thin layer over the glass by delivering a glue solution to the nip of a pair of rollers where a reservoir of glue is maintained while circulating a heated fluid through the rollers to maintain the glue at a desired temperature. By providing a desired space between the nip of the rollers, the glass sheets being automatically conveyed are coated with a correct amount and thickness of glue layer. The apparatus includes an animal glue solution source (50) and a conveyor (10) for automatically conveying the glass from a glass treating station (20) to an application station (B) whereat a pair of rollers (24, 26) are arranged with a nip (34) therebetween defined by a predetermined space (32) between the rollers.

Abstract: A bag device A is disclosed having a waterproof enclosure D contained within an outer case B having a cover flap C which fastens over a closure 18 by means of a yieldable fastener 20, 22 to seal an article within enclosure D in a generally airtight waterproof environment. Air entrapped therein provides buoyancy and a safety fastener E maintains the closure 18 sealed should cover flap C become unfastened under pressure such as when fallen upon during whitewater boating.

Abstract: A degreasing composition consisting essentially of 3-5% by weight of an ethylene glycol monoalkyl ether; 3-5% by weight of RCON(C.sub.n H.sub.2n OH).sub.2), wherein R is alkly of 8-18 carbon atoms and n is 2 or 3; 0.5-1.5% by weight of sodium metasilicate pentahydrate; 0.1-9.5% by weight of KOH; 1-3% by weight of R'CONH(CH.sub.2).sub.3 N.sup.+ (CH.sub.3).sub.2 CH.sub.2 COO.sup.-, wherein R' is alkyl of 8-18 carbon atoms; 3-5% by weight of R"--C.sub.6 H.sub.4 --SO.sub.3.sup.- H.sub.3 N.sup.+ R'", wherein R" is alkyl of 9-15 carbon atoms and R'" is alkyl of 2-4 carbon atoms; and water.

Abstract: A reinforced hose structure is illustrated as including a length of tubing 20 having a first course A of reinforcement braided about the tubing and comprising a conventional braided structure and a second course B of reinforcement braided about the tubing and about the said first course and comprising a conventional braided structure. First course A includes a first group 10 of reinforcing strands applied about the tube in a first helical direction and a second group 12 of reinforcing strands applied concurrently about the tube in a second, helically opposite direction in such a manner as to interlace the strands of the said two groups into a conventional braided structure. Adjacent windings 10, 12 of the first and second groups are spaced apart to provide widened braid spaces which reduce crimping of the edge wires in each group as the groups of wires intersect each other. A plurality of empty unoccupied spaces C are formed in braided course A along the length of the tube.

Abstract: An accessory aid device for a stepladder is disclosed which includes a sleeve 22 which is affixed to a ladder leg and a shank 28 corresponding in shape received in the sleeve which will slide but not rotate therein. A set screw 30 is received in a thickened wall 32 of the sleeves and positively sets the position of shank 28 which supports a utility shelf 34 for holding tools and the like and for aiding in the positioning of articles for overhead mounting.

Abstract: A unitary refrigeration system for a vertical refrigeration cooler which may be installed and removed as a unit from a front of the cooler without a need to unload the articles in the cooler or move the cabinet. Another important feature of the present invention is to provide a unitary refrigeration system for a vertical cooler in which the compressor and evaporator may be removed as a unit without disconnection of the refrigerant tubing in a convenient and expedient manner from a front of the cabinet. Still another important feature of the present invention is to provide a unitary refrigeration system which may be easily removed from a vertical cooler as a unit for servicing and replaced by a like unit so that the cooler is not rendered inoperable during servicing.

Abstract: A feed assembly and method for a carding machine is disclosed which includes a series of individual presser levers 22 pivotably carried adjacently above of a feed roll 16 on a carding machine frame 10 to which a lap 14 of fibers is fed via a feed plate 12. The presser levers incrementally apply an even pressure to the lap so that control of the fibers on the feed roll is maintained as they are grabbed off by a licker-in 18.

Abstract: A rod hook device C, D is illustrated for holding and supporting a heddle rod 18 on a heddle frame 10 which includes a resilient slot B in which the rod is squeezed and held. Slot portion B is carried by a resilient neck A which flexes laterally to align a diagonal opening 40 of slot B in alignment for receiving the heddle rod. Return of neck A to an upright position squeezes rod 18 behind slanted protuberances 42 and 44 which define opening 40.

Abstract: An assembly and method for a heddle frame A for a weaving loom is disclosed wherein the heddle rod 20 upon which the end eyes of the heddles H are hooked and travel is more securely and reliably attached to the slat 12 of the heddle frame. The assembly and method includes a plurality of studs 24 having a uniform effective rivet length welded at spaced intervals to the rod 20 which are then inserted into countersink openings 28 in the ledge 18 of the slat 12 and headed therein for a more accurate and reliable rivet connection. The face 20a of the heddle is smooth and completely unbroken to reduce wear between the heddles and rod.

Abstract: A fiber reinforced thermoplastic structure having multiple layers of individual reinforcing elements in sheet form 12 or as a single continuous strand 12a of continuous monofilaments, multi-filaments or spun yarns is disclosed. The layers extend in parallel planes wherein in each plane the individual elements may be in parallel or in non-parallel relation with an included angle of intersection, a, of 0 to 45 degrees as required by a specific application. The structure is manufactured by simultaneously assembling a segmented mold 20, 50 and selectively placing and fixing the location of individual reinforcing elements 12, 12a to give the resultant article described physical properties. The elements are encapsulated by a plastic resin which solidifies in the approximate shape and size of the segmented mold cavity.

Abstract: A method and system is disclosed for supplying an internal combustion engine with a plurality of fuels wherein a first fuel source 10 which is conventional lead-free gasoline is provided and a second source of fuel 12 which consists of from 180 to 190 proof ethanol is provided as a second fuel source. The fuels are maintained separately and are fed to the intake manifold 18 of the internal combustion engines separately and simultaneously via injection valves 34 and 36. Upon injection to the heated intake manifold, the fuels are vaporized and mixed in the vapor phase prior to combustion in the combustion chambers 32. An electric coil 46 is provided for heating the alcohol fuel and enhancing vaporization. The method also includes injecting water vapor into the combustion chamber with the gasoline and alcohol in the ratio of 0.5 to 2.5 percent and of including either Diethanolaminebenzoate, Dimethylbenzalkoniumchloride, Dicyclohexylaminenitrite, and/or Mercaptobenzothiazole as corrosion inhibitors.

Abstract: A reinforced plastic composite structure is disclosed which includes a fiberglass reinforced plastic structure wherein adhesive-activated thermally stabilized polyester fibers are included affording highly improved impact resistance.

Abstract: A utility fastener device for securing sheet material 10 to associated structure is disclosed as including a ring A closed by a snap closure in the form of a socket closure B and plug closure C between which the material is gripped. Socket closure B includes an interior opening 18 having a gripping rim D catching material pushed into the opening by plug C. The socket opening and plug have a smooth rounded configuration devoid of sharp edges to hold the material without puncturing or tearing.

Abstract: An apparatus for depositing cross wound yarn spools into an open top transport container utilizing a vertically extending dropping channel. The channel is raised and lowered into the transport container for guiding and directing the spools of yarn into the container. The container with the dropping channel provided therein is selectively moved for depositing the spools in a plurality of longitudinal rows.