摘要:
An electrical protection system which uses a ground fault interrupter (GFI) to protect a circuit from (A) ground faults and (B) overcurrents and/or overvoltages. For overcurrent protection, a control element may be coupled in series with the line or return input to the GFI, and a bypass element may be coupled in parallel with the control element and the GFI. In case of an overcurrent, the control element causes current to be diverted through the bypass element, thereby creating a current imbalance in the GFI circuitry causing the GFI to open the circuit. For overvoltage protection, a bypass element (e.g. a varistor) may be coupled between, e.g., the line sense input of the GFI and the return sense input of the GFI. In case of an overvoltage, the bypass element conducts current, thereby creating a current imbalance in the GFI circuitry causing the GFI to open the circuit.
摘要:
The invention creates a selective oxygen barrier around individual coupler or other photographically active particles by surrounding each particle with a layer of water applicable oxygen barrier polymer such as polyvinyl alcohol (PVA), which will also act as a steric barrier to coalescence of the particles. Photographic products formed with such materials are more dye stable.
摘要:
A silver halide color photographic reflection print element comprises a paper support impregnated or coated with a substance that lowers its oxygen transmission rate and its oxygen leak rate, at least one polyolefin-containing layer containing a total of at least 70 g/m.sup.2 or a polyolefin coated on the paper support, and at least one color-forming silver halide emulsion layer, said emulsion layer or layers overlying a polyolefin-containing layer. In one embodiment, the paper support is impregnated with a substance that lowers its oxygen gas transmission rate to less than 1 cc/m.sup.2 /day and its oxygen leak rate to less than a 25 cc/m.sup.2 /day. The support has low permeability to oxygen and to water vapor. The silver halide color photographic element produces a dye image with improved resistance to fading by light, particularly under conditions of prolonged exposure to low-intensity light.
摘要翻译:卤化银彩色照相反射印刷元件包括浸渍或涂覆有降低其氧气透过率和氧气泄漏速率的物质的纸张载体,至少含有至少70g / m 2的含聚烯烃的层或聚烯烃 涂覆在纸载体上,以及至少一个成色卤化银乳剂层,所述乳剂层或层叠在含聚烯烃的层上。 在一个实施方案中,纸张载体用将其氧气透过率降至小于1cc / m 2 /天并将其氧气泄漏速率降至小于25cc / m 2 /天的物质浸渍。 该载体对氧气和水蒸汽的渗透性低。 卤化银彩色照相材料产生的染料影像具有改善的抗光衰性,特别是在长时间暴露于低强度光的条件下。
摘要:
Concrete moulding apparatus (10) is provided which has a mould (19) through which concrete is extruded from a hopper (17) by the action of a pusher plate (22) reciprocating in the hopper (17) towards and away from the mould entrance (20). The pusher plate (22) is arranged to pivot during reciprocation to cause excess material forced towards the mould entrance (20) to be squeezed upwardly back into the hopper (17).
摘要:
A ratcheting pliers device for extracting a fastener from a substrate includes a first arm, which is pivotally engaged to a second arm to define a pair of jaws and a pair of handles. Each jaw has a cutout for insertion of a head of a fastener. A ratchet bar, which is pivotally engaged to the first arm, has a plurality of first teeth extending from its upper surface. A biaser engaged to the first arm and the ratchet bar is positioned to pivot the ratchet bar into engagement with a second tooth that is coupled to the second arm. The second tooth sequentially engages the first teeth as the first arm and the second arm are motivated to a proximate orientation, concurrently with the jaws being motivated to a closed configuration. The jaws are prevented from opening while a user pulls on the handles to extract the fastener.
摘要:
A personal mobility scooter can include a front frame portion and a rear frame portion detachably coupled to the front frame portion. The front frame portion can have a front frame, at least one front wheel rotatably coupled to the front frame, and a rear suspension coupled to the front frame. The rear suspension can have at least one biasing member. The rear frame portion can have at least one rear attachment member, a pair of drive wheels, and at least one drive configured to power the drive wheels. The rear suspension is configured to (i) engage the at least one rear attachment member when the rear frame portion is coupled to the front frame portion and (ii) remain with the front frame portion when the rear frame portion is detached from the front frame portion.
摘要:
A synthetic polymer based adhesive formulation that has properties substantially simulating selected properties of fibrin glue, and methods of making and using the same. The adhesive formulation includes a discrete acid solution and discrete base solution that when combined form a synthetic polymer based adhesive that substantially simulates selected properties of fibrin glue. The discrete acid solution includes a polymer and a cross-linking agent precursor. The discrete base solution includes a polymer and a base.
摘要:
A personal mobility scooter can include a front frame portion and a rear frame portion detachably coupled to the front frame portion. The front frame portion can have a front frame, at least one front wheel rotatably coupled to the front frame, and a rear suspension coupled to the front frame. The rear suspension can have at least one biasing member. The rear frame portion can have at least one rear attachment member, a pair of drive wheels, and at least one drive configured to power the drive wheels. The rear suspension is configured to (i) engage the at least one rear attachment member when the rear frame portion is coupled to the front frame portion and (ii) remain with the front frame portion when the rear frame portion is detached from the front frame portion.
摘要:
The method and system of the present invention provides an improved technique for integrated asset management. Information is aggregated from a variety of sources into a centralized computerized database. Thereafter, asset transition events are scheduled. Information from the centralized computerized database is used in the performance of the asset transition events and information relating to the asset transition events is added to the centralized computerized database. Subsequent changes to the asset are also recorded into the centralized computerized database. As a result, a plethora of information is available within said database for the purpose of managing future asset transition events.
摘要:
The method and system of the present invention provides an improved technique for replacing, implementing and managing computer-related assets. A technician accesses the World Wide Web through a user's computer. The information resident on the computer, including information regarding the computer and the user's preferences, are downloaded to a remote storage medium through the World Wide Web. Once downloaded, all information may be removed from the user's computer. Subsequently, the technician accesses another computer such as, for example, a new computer that has been assigned to the same user. The technician accesses the World Wide Web through the new computer and downloads the information previously stored on the remote storage medium. This information can then be used to install the user's prior applications, settings and preferences on the new computer.