stephen stepanian february 28, 1882 – october 18, 1964 armenian: ստեփան ստեփանեան russian: степан степанян was an armenian american inventor and owner of numerous patents including the elevator and conveyor, compound tool, and the wrench. he is also accredited as the inventor of a self-discharging motorized transit mixer that was the predecessor of the .
evans's mill used a leather belt bucket elevator, screw conveyors, canvas belt conveyors, and other mechanical devices to completely automate the process of making flour. the innovation spread to other mills and breweries.
the intermodal facility has approximately 160,000 square feet 15,000 m 2 of storage space, a loading system consisting of three 25-ton cranes, one 100-ton crane, eight front-end loaders, portable conveyor systems, and a truck scale.
most of these machines may be used on solid timber and on composite products. machines can be divided into the bigger stationary machines where the machine remains stationary while the material is moved over the machine, and hand-held power tools, where the tool is moved over the material. hand-held power tools. biscuit joiner; domino jointer
portable plants are the best choice for temporary site projects or even stationary locations where the equipment height is a factor or the required production rate is lower. stationary concrete plant. the stationary concrete plant is designed for produce high-quality concrete. it has the advantages of large output, high efficiency, high .
this tool was the principal method by which material was either sidecast or elevated to load a conveyance, usually a wheelbarrow, or a cart or wagon dn by a draft animal. in antiquity, an equivalent of the hand shovel or hoe and head basket—and masses of men—were used to move earth to build civil works.
a shipping container is a container with strength suitable to withstand shipment, storage, and handling. shipping containers range from large reusable steel boxes used for intermodal shipments to the ubiquitous corrugated boxes.in the context of international shipping trade, 'container' or 'shipping container' is virtually synonymous with 'intermodal freight container,' a container designed to .
a blasting machine or shot exploder is a portable source of electric current to reliably fire a blasting cap to trigger a main explosive charge. it is mostly used in mining and demolition.. the use of the term 'machine' dates from early designs that used an electrical generator operated by winding a rotary handle or pushing down a t-handle. modern blasting machines are battery-powered and .
the excavated materials can be removed by conveyor belt reversible either on the right or on the left side. there are various methods for excavating trenches in rock – principally drill and blast, hydraulic breakers and chain trenchers.
portable pulsed x-ray battery powered x-ray generator used in security as shown in the figure provides eod responders safer analysis of any possible target hazard. operation. when baggage is placed on the conveyor, it is moved into the machine by the operator.