Abstract: This specification discloses apparatus for connecting handles, or other parts, to plastic injection blow molded containers such as buckets, pitchers and other articles; the handles being parts that are not molded integral with the blow molded containers, but that are stiffer and stronger parts than the blow molded walls of the containers. The blow molded element is made with recesses for receiving the bales, or handles, and is made flexible so that end portions of the handles can be forced into the recesses by expanding the entrances to the recesses. The fit is designed to give the maximum undercut that can be pulled out of the mold without damaging the part. The mating part can be made to snap in with a design that minimizes the ability to remove it, such as for a paint can.
Abstract: This invention is an improved insulation for electric cables and an improved method of making the insulation. Cross linked polyethylene insulation is too stiff, particularly in high voltage cables which require a thick layer of insulation. Copolymers of polypropylene have electrical properties substantially equal to those of polyethylene, but do not have the necessary physical strength and have to be filled with clay or other filler that provides the required strength but degrades the electrical characteristics. A novel feature of this method is the utilization of the screw of the extruder to effect a mixing of the ingredients in an improved polymer system for cable insulation.
Abstract: This invention relates to dispensing beer, or the like, by gravity from beer kegs such as are often used for picnics. The keg is turned upside down and the down tube for the beer is used as a tube for admitting air or gas into the keg above the beer while the gas passages are used for the flow of beer to a faucet outside the keg. Supports hold the keg upside down and with the lowermost end of the keg spaced far enough above its ultimate supporting surface to permit access for an operator's hand to a valve actuator that opens and closes the vent. A hose line for beer leads from a branch conduit of the valve to a beer faucet beyond the sides of the inverted keg.
Abstract: This specification describes an improved method for making fire-resistant communication cables that have a core which includes a multitude of individual conductors or pairs with insulation surrounding some or all of the conductors. The conductors are enclosed in a metal sheath that has a welded seam and that is annealed to maintain the flexibility of the cable. The sheath is of larger diameter of the core when welded, but is drawn down to a reduced diameter that hugs the core prior to the annealing. Heat insulation is wrapped around the core to protect the insulation on the conductors from the heat that is used to anneal the sheath. The purpose of the construction is to provide indoor cable that does not propagate flames from a burning area in a building into adjacent non-burning areas. The cable sheath is purposely not bonded to the core to facilitate sheath removal for ease of terminating the cable.
Abstract: Petrolatum-based filling compounds are known to migrate into the insulation and jacket of telephone cables and to extract the stabilizers, and as a consequence, to affect the physical and/or electrical characteristics of those cable components. It does not seem possible to avoid these characteristics of petrolatum in commercial compounding operations. The filling compound of this specification is for use in telephone cables and is based on better resistance to dripping at elevated temperatures, compatibility with high density polyethylene insulation and low density and medium density polyethylene jacket compounds. It has processability at moderate elevated temperatures, resistance to cracking at room temperature and low temperatures, adhesiveness and desirable electric properties.
Abstract: This specification describes an amusement device of the kaleidoscopic type where an observer looks down a tube having reflected inside surfaces or planes and usually with two such surfaces at an angle of approximately 45 degrees to one another. The sides of the tube are opaque; but a pair of transparent or translucent discs close the end of the tube opposite the end having the opening for looking along the reflective surfaces. In the prior art loose shapes disposed in the space between the transparent discs tumble over one another as the tube is rotated about its longitudinal axis and interesting designs are formed which appear in the reflectors. The construction of this specification has an opaque wall at the end of the tube and a portion of the tube is made of material that transmits light into the tube to illuminate the opaque end of the tube from the inside. There are no loose shapes in the target.
Abstract: The injection blow molding machine of this specification moves oriented containers. Parisons applied to core rods move from an injection mold to a conditioning station that provides time for the full thickness of the parison to come to the same temperature. The parisons are then transferred, by a transfer device, to other core rods on a second indexing head of the machine which carries the parisons to a stretch-blow station at which they are stretched to obtain orientation. After the parisons are blown to final size, they are stripped from the core rods of the second indexing head. The transfer device turns the parisons to 180.degree. in a plane of their axial length in order to transfer them from one core rod to another.
Abstract: This invention provides for the dispensing of beer from a keg by gravity. A stand is detachably connected with the upper end of the keg, and the keg is then turned upside down. The stand supports the keg with the lowermost end of the keg spaced above the floor or ground or other surface with enough clearance under the keg for a person to reach under the keg to operate a valve which is located in the lowermost end of the keg when a keg, made for use with conventional tapping equipment, is to be used in an upside down position. The stand preferably folds when not in use and can be detachably secured to the keg without the use of tools.
Abstract: This improvement in injection blow molding machines provide simple and effective apparatus for adjusting the location of the clamping apparatus that holds a mold closed with the holding force applied at or close to alignment with the center of pressure of the air that is introduced into the mold cavity. The invention is primarily for use with the blowing mold where the center of pressure varies widely from one mold to another, depending upon the size and shape of the cavities in which the parison on a core rod is expanded to fill the mold cavity.
Abstract: This invention provides relatively simple and inexpensive end seals for protecting the ends of telephone cables that are preconnectorized at the factory or distribution center. These end seals are moisture-proof, able to retain pressure and afford mechanical protection while the preconnectorized cables are carried in inventory and during handling to a place of use in the field.
Abstract: This telephone service wire has metal conductors insulated with polyethylene plastic insulation or equivalent, assembled in a core having a flame-retardant polyvinyl chloride jacket. Space between the individual insulated conductors is filled with an improved filling compound for preventing access of water into the core of the service wire. The filler compound is an ester-based compound that avoids the disadvantages of the usual petrolatum-based filler compound which extracts not only antioxidants and copper-inhibitors from a polyethylene component but plasticizers from a polyvinyl chloride compound. Depletion of these essential compounding materials can seriously affect the physical characteristics of either the insulation or jacket of such filled telephone service wires.
Abstract: This telephone drop wire is insulated with an improved insulation made from a semi-crystalline, low molecular weight, ethylene-propylene diene terpolymer (EPDM) which is used for a unipass insulation. The insulation has improved electrical properties which permit thinner sections of insulation to be used, so that the overall cross-section of the drop wire is of lower cost, higher temperature rating, and with moisture resistance suitable for use buried underground. The insulation is also much tougher for use where abrasion is a factor.
Abstract: Apparatus for making foam from water, air and surfactant produces very small bubble foam by discharging the ingredients for the foam through passages that cause the stream of ingredients to be alternately expanded and contracted as by travel along tortuous passages to generate the foam. The foam may be delivered to pipes of relatively large diameter to a place of use, particularly for dust suppression. A more uniform flow of foam is obtained as compared with foamers of the prior art where the foam sometimes broke up into alternating slugs of foam and air when discharged from pipes of large enough diameter to cause the foam to travel at low velocity.
Abstract: This invention provides a device by which a dog owner can conveniently pick up fecal matter deposited on the ground by his dog. The device can be operated by the dog owner without bending over and it has containers that move toward one another to pick up the fecal matter and then telescope to enclose it in a package that can be removed from the frame by which the container parts are held down on the ground and guided during the operation of the device.
Abstract: The float of this disclosure is used with a fishing line to support the bait at any desired depth below the surface of the water. When the fisherman swings his rod to cast the bait and float, they are close together for casting, but the float is constructed to permit the bait to move downward to a predetermined depth after the float strikes the water. When a fish is caught, the bait and fish are brought close to the float during the first part of the reeling-in of the line, so that the fish can be netted, if desired.
Abstract: This is a burglar-proof door for apartments or houses and it is held closed by bolts extending from within the door and into sockets in the frame that surrounds the door. The door has hinges, but in the preferred construction there are four bolts, one on each edge of the door so that the door cannot be opened by removal of the pins from the hinges. An electric motor operates, when a magnetically-coded card is inserted in a slot in the outside of the door, to lock or unlock the door when a handle is turned one way or the other. When there is a serious fire in the apartment or the house, a thermostat causes the door to unlock automatically.
Abstract: This blow molding machine overcomes the tendency of the parison to sag toward the bottom side of the core or for air currents to unevenly cool the parison, while at the same time allowing the parison to be cooled from the core side and then outside to the desirable orienting temperature, so that at the subsequent blow, or stretch-blow station, a bi-axially oriented container is produced having uniform wall distribution. As a means of intensifying the cooling on the outside, in order to speed up the operation, provisions are made to enclose the parison with an open end cylinder having means of introducing a flow of air in a tangential manner so that it circulates around the parison as the parison is rotated.
Abstract: This beer-dispensing apparatus has a keg fitting with a single valve in the keg that is operated by an annular probe in a probe fitting to control the flow of the beer from the keg and the flow of gas into the keg. Both gas flow and beer flow are shut off automatically when the probe moves upward in the probe fitting. A conventional bayonet connection is used to connect the probe fitting to the keg; but a single handle, operated sequentially, connects the probe fitting to the keg and then opens the keg valve by further movement of the handle in the same direction.
January 11, 1978
Date of Patent:
December 25, 1979
Vending Components, Inc.
David Zurit, Vincent Cerrato, James Hines
Abstract: The subject invention relates to a new connector assembly design for making a low resistance, stable electrical connection to a plastic coated aluminum shield adhering to and underlying polyethylene jacket of telephone cables. When the connector in accordance with the invention is applied across the composite sheath, it eliminates the creep strain exhibited by the polyethylene jacket and aluminum shield and results in a stable low resistance electrical connection, which is essential for noise-free operation of the cable and good lightning protection of enclosed telephone circuits.
Abstract: This electrostatic shielding tape is a metal strip of low resistance and low reactance folded longitudinally over the length of an insulated power cable having a semi-conducting insulation shield surrounding its insulation. The longitudinally folded metallic tape has its edges free to permit expansion of the insulation and insulation shield, located directly under it, without significant deformation of the insulation and the insulation shield. When the tape is of a metal requiring a thin corrosion-protective coating, the coating on the side adjacent to the insulation shield is preferably semi-conducting to accept charging current from the insulation shield. It is a feature that the metal of the electrostatic shield is in electrical communication with the insulation shield. .Iadd.