A cone crusher with a wear indicator. The cone crusher comprises a head providing a first wearing surface, a bowl providing a second wearing surface spaced from the first wearing surface, and means for indicating wear of one of the wearing surfaces. Preferably, the head or the bowl includes a liner providing the wearing surface, and the means for indicating wear of one of the wearing surfaces indi...

An apparatus for decurling a sliced food material, for use with an automated sli cer wherein the food material is carried in a reciprocating arcuate or linear movement. The slic ed material is passed through a constricted space between separate stationary and moving surfac es. The moving surface moves relative to the stationary surface at a speed that is at le ast as fast as the speed at which the...

A method is provided for separation of air by cryogenic rectification comprising compressing feed air, passing the compressed feed air through a prepurifier wherein the air is substantially cleaned of impurities, thereafter cooling the cleaned air in a cooled regenerator and then introducing it into a cryogenic air separation facility wherein it is separated into nitrogen-rich and oxygen-rich comp...

A mounting plate is placed in a housing with a plurality of compliant, damped pads arranged between the housing and the mounting plate. A hub arranged to produce rotational oscillations about a drive axis extends from the mounting plate, and a first drive member is connected to the hub. A first sensing apparatus having a support element is connected to the drive member to transmit rotational oscil...

Loadbreak connectors which are modified to reduce the probability of flashover upon disassembly operation of a loadbreak bushing insert from a power cable elbow connector. The loadbreak bushing insert and power cable elbow connector are mated with an interference fit between an elbow cuff and a transit ion shoulder portion of the loadbreak bushing insert. The bushing insert is provided with vents ...

A hydroforming apparatus capable of deforming relatively large and thick-walled workpieces, yet which is relatively small, simple, and inexpensive in construction and operation, includes a pressure vessel that is disposed within a frame. The pressure vessel includes upper and lower vessel members that support respect ive die sections therein. When the upper and lower vessel members are moved adjac...

A multicell electric storage battery with a prismatic container (1) and cylindrical cells, which comprises throughpassing vertical conduits (15-16) open ing through the lid and bottom and disposed between adjacent cells and intended for the circulation of air or other coolant and for the passage of threaded anchoring ro ds (17). The cylindrical walls of the cells include a planar upper segment wit...

An electrical drive for a wheel hub of a motor vehicle, especially a utility vehicle, is provided with an electric motor disposed inside of the wheel. The electric motor has a stator and a rotor, where the rotor is connected to a step-down transmission. Additionally, the drive is provided with a brake. The stator is disposed within the hollow rotor and the step-down drive is disposed within the st...

A roll of sheet material, such as plastic film wrap, having an inner layer wound at low tension and an outer layer wound under greater tension provides a coreless roll. Elimina ting the need for a core reduces the cost of producing rolls of sheet material, and reduces th e weight and outer dimensions of the roll with a consequent reduction in shipping and storage costs. An apparatus and method for...

A roll of plastic film wrap formed without an interior core, and a method of for ming such a roll onto an expandable mandrel while the plastic wrap is being pre-stret ched.

An apparatus and process for hydrogen peroxide vapor sterilization of medical instruments and similar devices make use of hydrogen peroxide vapor released from an inorganic hydrogen peroxide complex. The peroxide vapor can be released at room temperature and atmospheric pressure; however, the pressure used can be less than 50 torr and the temperature greater than 86 DEG C to facilitate the release...

An analogue and/or digital control system is used to improve the precision and control of the movement of hydraulic or pneumatic cylinders (40) using on-off and/or proportional type electromagnetic valves (38, 39). A pulse width-modulated signal generated by a control circuit (1, 2) is regulated by a CPU (28) programmed to divide the signals into a suitable number of signal portions, so that the t...

A catch is released by a gearing when the lift is detected as travelling faster than normal. - The device is used to automatically stop the stair lift if it exceeds a given speed. A catch (2) engages with a fixed stopping device in the event of the lift being detected as moving faster than normal. The catch is operated by a gearing (5-7) which includes a centrifugally manoeuvrable tongue (6) for r...

To provide a channel selection method of a wireless communication system which enables a wireless station to select a wireless channel dynamically even when there are but an insufficient number of wireless channels, a channel selection method of selecting a wireless channel from a plurality of wireless channels prepared for the wireless communication system comprises: a channel search step (202) o...

There is disclosed a digital modulator whose modulation parameter can be controlled and in which modulation data or modulated signals are prevented from generating interference signals with adjoining circuits through control when power supply is turned on or system is changed. The digital modulator has means for detecting that the power supply is turned on, and the transmission data is modulated w...

A multiplex communication apparatus for a base station applicable to an SDMA (Space Division Multiple Access) mobile communication system is disclosed. The apparatus is capable of detecting direct waves out of signals sent from a plurality of terminal stations to the base station, and multiplexing optimal transmit/receive antenna directivities for the individual terminal stations.

A binding material, such as twine, formed of plastic film wrap gathered together . A method of forming such binding material is also disclosed.