Abstract: A number of novel peracid precursors each have the general structure: ##STR1## wherein: Z is a leaving group, the conjugate acid of the leaving group being in the range of from about 4 to 15; R is a substituted or unsubstituted alkyl or alkenyl group having from about 1 to 18 carbon atoms; and M is hydrogen or an alkali or alkaline earth metal. A method is also disclosed for synthesizing a product as represented above wherein succinic anhydride, including an R constituent as defined above is dissolved in a water-miscible, non-nucleophilic solvent and an acid including a Z constituent as defined above is neutralized and deprotonated to form a nucleophile, the substituted anhydride and the nucleophile being combined to form the product. The product is a component in a dry bleach product, optionally including other adjuncts.

Abstract: A backpack is disclosed for use with scuba gear wherein the backpack includes a rigid housing substantially enclosing an air tank, an interior chamber vented to the surrounding water and formed by the rigid housing for receiving an inflatable buoyancy compensator and a mounting for receiving and securing an adjustable amount of retrievable ballast. The rigid backpack provides a particularly streamlined configuration for the scuba gear, greater puncture resistance for the buoyancy compensator and greater variation in the amount of ballast carried by the diver. The backpack is preferably configured to better support the weight of the scuba gear upon the diver with a trim bladder separately inflatable by the diver and arranged between the backpack and the diver for allowing the diver to adjust for variations in slack, particularly at different diving depths.

Abstract: Improvements are disclosed for a jaw crusher having converging and opposed jaws defining a space for passage of material to be crushed. An improved assembly for imparting oscillatory vibration to at least one jaw comprises multiple eccentric means arranged in vertically spaced apart relation and synchronously operated by split drive means for producing more uniform and consistent operation of the crusher under different load conditions. Another improvement comprises at least two eccentric masses arranged in laterally spaced apart relation on the one jaw by separate shafts which are independently mounted by separate bearings whereby the size of both the eccentric masses and bearings is proportionately reduced to permit crusher operation at increased rates of rotation.

Abstract: Whole grain rice, either white or brown rice, is liquefied and treated with high levels of a glucosidase enzyme and/or a combination with beta-amylase enzyme in a saccharification step. Total enzymatic reaction time is limited to about four hours for both the liquefaction and saccharification steps combined to prevent the development of undesirable off-flavors. The product of the saccharification step is partially clarified to remove substantially all rice fiber, but not other nutritional values and then concentrated to produce a preferred rice syrup sweetener which is cloudy in character and has a solids composition defined as follows:Soluble Complex Carbohydrates--About 10 to 70% of solids;Maltose--About 0 to 70% of solids;Glucose--About 5 to 70% of solids;Ash or Minerals--About 0.1 to 0.6% of solids;Protein and Fat--About 1 to 3.5% of solids;The rice syrup sweetener of the invention can be dried to produce dried rice sweeteners.

Abstract: An adjustable roller support attachment is disclosed for mounting on a clamping type work bench, available for example, under the trademark WORKMATE, for facilitate the handling of long stock in stationary power tools, the roller support attachment including a support having a yoke portion for rotatably mounting a roller and a wide, elongated base for clamping engagement by vise jaws of the work bench, a stabilizing element or collar surrounding the support base with a stabilizing surface for resting on an upper surface of the vise jaws, and a screw element or the like for releasably securing the stabilizing element to the support base in order to both stabilize the support and roller on the work bench while also facilitating height adjustment of te support attachment on the work bench for aligning the roller with a portion of the stationary power tool.

Abstract: A jaw crusher has converging and opposed jaws defining a space for passage of material to be crushed. An improved design for supporting the jaws in floating relation on a frame structure of the crusher includes: upper and lower elongated resilient members connected with the frame structure and upper and lower reaction members connected to each jaw for respective interaction with the elongated resilient members, the upper and lower reaction members being substantially diametrically opposed to each other for permitting oscillatory movement of the jaws while at the same time limiting travel of the jaws in all directions on the frame structure. The improved jaw with upper and lower reaction members as described above facilitates drop-in assembly of the jaws in the crusher.

Abstract: A jaw crusher is disclosed wherein opposed jaws converge downwardly to form a passage for material to be crushed, the jaws being supported on a frame structure by resilient floating mounts connected in series with each other and between the respective jaws and the frame structure. Each resilient floating mount preferably includes a wheel and pneumatic tire arranged coaxially within a relatively larger cylindrical track. Balanced eccentric masses are supported on each jaw for uniformly driving them in oscillatory vibration. The jaws are configured so that when lower portions of the jaws are generally parallel in order to achieve fine crushing, the upper jaw portions form a converging angle of approximately seven to sixteen degrees in order to achieve enhanced crushing particularly in combination with the balanced eccentric masses and the series connected resilient floating mounts.

Abstract: The method of the invention comprises selection of whole grain rice, either white or brown rice, which is liquefied, preferably with alpha-amylase enzymes, and then treated with relatively high levels of a glucosidase enzyme and/or a beta-amylase enzyme in a saccharifying step. The total enzymatic reaction time in both the liquefaction and saccharification steps is limited to prevent development of undesirable off-flavors to yield a non-allergenic rice milk product having surprising milk-like texture and functionality, the rice milk product being characterized by the absence of a rice-like flavor and having a preferred composition defined as follows:Soluble Complex Carbohydrates--10 to 70% of solids;Maltose--0 to 70% of solids;Glucose--5 to 70% of solids;Ash or Minerals--0.1 to 0.6% of solids;Protein and Fat--1 to 3.5% of solids;Fiber--0.05 to 0.4% of solids.The rice milk product can also be converted to a dried product.

Abstract: Multiple embodiments of a diver's weight belt are disclosed having elongated panels of interconnected pockets for receiving and containing diving weights, the panels being interconnected by one or more belt portions and adjustable buckles or the like for positioning the panels about the diver's waist while permitting them to be adjustably positioned in centered relation on the diver's hips. The panels are preferably formed with multiple pockets facilitating arcuate arrangement of the panels about the diver's hips, a lower edge of each panel also having an arcuate configuration for conforming with the diver's hips, the panels also including neck structure for selectively filling the respective pockets.

Abstract: Vibratory crushing apparatus is disclosed including a mandrel support housing suspended on a frame structure and providing floating support for a vertically arranged mandrel. Upper and lower collar housings are arranged upon the mandrel support housing and define upper and lower faces for crushing interaction with the mandrel. A shaft extends along the mandrel axis on bearings with opposed eccentric masses attached to its ends by hinges. The circumferential face on the upper collar is tapered for receiving relatively large materials to be crushed. Components of the crusher are of modular construction to facilitate repair and maintenance and a cylindrical ring secured to a central portion of the mandrel functions in combination with the upper and lower collar members to form a passage for conducting material to be crushed through the apparatus.

Abstract: A viewing device to assist a golfer or the like in assessing transverse inclination of terrain along his sight line, including a base assembly adapted for attachment to a cap, hat or headpiece worn by the golfer or the like, a vertical plumb element pivoted to the base assembly about an axis parallel to the wearer's sight line of the terrain and a horizontal sighting element fixed perpendicularly along its length permitting the wearer to view seleccted terrain relative to the horizontal sighting element and rapidly assess its transverse inclination. With the base assembly secured to the bill of a cap or the like, a viewing frame surrounds the vertical plumb element and horizontal sighting element while including means for retaining both the viewing frame and vertical plumb element and horizontal sighting element out of the wearer's sight line when desired.

Abstract: The present invention discloses various embodiments and examples of a thickened aqueous abrasive cleanser capable of maintaining a smoothly flowable or plastic consistency over long periods of time. The cleanser is characterized by the ability to stably suspend abrasives while exhibiting excellent shelf stability over long periods of time with substantially no syneresis and being suitable for use where environmental requirements prevent the use of phosphates. This cleaner has the following ingredients:(a) a colloidal alumina thickener having an average particle size, in dispersion, of no more than about one micron;(b) an electrolyte/buffer;(c) a surfactant system including two surfactant components, one surfactant component comprising a fatty acid anionic surfactant, the other surfactant component comprising a selected bleach-stable surfactant or mixed surfactant;(d) a bleach; and(e) a particulate abrasive having an average particle size of about one to as much as 400 microns to provide scouring action.

Abstract: A combined life vest device and buoyancy compensator is disclosed for use by divers along with scuba gear including a back pack for mounting a compressed air tank on the back of the diver. One embodiment of the invention comprises a single garment for the diver including inner and outer shells providing abrasion protection with first and second airtight chambers forming respectively a buoyancy compensator adjacent the compressed air tank and a part of life vest surrounding the diver's torso. A conventional power inflator is employed for regulating pressure within the buoyancy compensator. An inflating device for the second chamber preferably includes an interconnection between the two chambers with a one-way check valve so that the second chamber is automatically inflated when pressure in the first chamber exceeds a predetermined level. A rebreathing tube is provided in communication with the second chamber so that the diver may use it as an emergency air supply.

Abstract: An aqueous laundry prewash composition includes a cosurfactant system with a hydrophobic nonionic surfactant and a hydrophilic nonionic surfactant providing balanced detergency, a hydrotrope for stabilizing the cosurfactant system, a thickener and water forming the balance of the composition. A thickened aqueous laundry prewash composition is also disclosed including a surfactant system, water and a thickener being xanthan gum to develop a pourable product wherein shear caused by dispensing of the composition tends to reduce its viscosity. An aqueous laundry prewash composition thickened in a similar manner maintains in suspension an insoluble particle component to further enhance prewash characteristics.

Abstract: Scuba gear is disclosed for use by divers and the like for carrying a compressed air tank to provide an underwater source of oxygen, a backpack being adapted for securing the tank to the diver and including quick release components for permitting the diver to rapidly free himself of the tank, an inflatable transport raft being secured to the tank and held in compact and gathered form by releasable fasteners in order to permit the raft to open in response to internal inflation pressure, the backpack being adapted for connection to the diver's upper torso together with a separate vest type buoyancy compensator, the backpack being adapted to permit inflation of the buoyancy compensator if desired and also permitting separation of the tank with the buoyancy compensator remaining in place on the diver, the transport raft providing flotation for the tank when the tank is freed from the diver, the raft also providing transport for the diver on the surface of the water.

Abstract: A heavy duty, mobile drilling machine is disclosed based on a track type vehicle having a rotatable turntable, an operator station and other vehicle machinery being arranged along opposite sides of the turntable to form a central open channel, a boom being pivotably connected to the turntable and arranged in the channel, the boom being of a telescoping type having an extendable and retractable portion forming a chamber for receiving water or other ballast, a drill implement being mounted on a forward end of the extendable boom portion by relative transverse pivots with respective motors or jacks providing for 360.degree. adjustment of the drill implement, the telescoping nature of the boom and the other controls for the drilling implement, boom and turntable permitting use of the drilling implement in a wide variety of operating positions.

Abstract: A method and apparatus for forming a chemical composition from two liquid components selected for cross-linking reaction with each other and a product of the method are disclosed, the method including the steps of selecting the components for interaction to form a solid chemical composition product, the components being intimately mixed with an inert blowing agent to avoid altering chemical characteristics of the chemical composition product and to vary density of the product, the mixture being conducted to an application zone through an expansion chamber having internal dimensions selected for achieving substantially complete expansion of the mixture to a substantially relaxed condition as it passes from the expansion chamber. In one embodiment, means are provided for spraying the product onto the application zone. In another embodiment, delay means are provided for causing increased viscosity of the components. Mesh material forms an integral portion of one preferred product.

Abstract: A vibratory crusher and method of operation are disclosed wherein an elongated mandrel has a rotatable shaft extending along its axis with eccentric masses mounted in balanced and opposed offset relation on opposite ends of the shaft, the mandrel being supported in a manner permitting floating gyratory motion of its ends which are arranged in spaced apart relation within first and second relatively fixed reaction collars or cones, the shaft being driven in rotation whereby the eccentric masses cause the ends of the mandrel to gyrate relative to the reaction collars or cones for producing a vibratory crushing effect therebetween.

Abstract: A gray scale test chart for television cameras, in the form of either a transmittance chart or reflectance chart, includes one or more regions having selected gray values for calibrating or adjusting the output signal of the television camera, each gray value region being formed by an array of uniformly black dots arranged on a uniformly white background in a spatial frequency selected with respect to the resolution capability of the camera to produce an integrated output signal while being within the resolution capability of a photographic or other chart reproduction technique, the size of the dots in each region determining its gray value in combination with the spatial frequency or center-to-center spacing of the dots.

Abstract: A method and apparatus are disclosed for processing meat products containing at least a small portion of liquefiable fats or oils wherein the meat products are extruded into multiple passages or tubes of a shell-and-tube type heat exchanger for heating or cooling the meat product with the fats and/or oils providing lubrication for passage of the meat product through the heat exchanger. With the meat product being trimmings containing substantial amounts of liquefiable fats and oils, the meat product is heated to a rendering temperature within the heat exchanger, rendered or liquefied fats being separated from lean meat portions of the meat trimmings after passage from the heat exchanger, the lean meat portion preferably being immediately refrigerated in order to limit bacterial growth.