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30results about How to "Bulky assembly" patented technology

Structural element with rib-receiving member

InactiveUS7205066B1Elimination of extensive assembly toolingReduce the number of partsFuselage framesLayered productsBiomedical engineeringAirplane
A structural element for use in aerospace applications such as a structural element suitable as an aircraft component is described. In one embodiment of the invention, the composite structure comprises: (a) at least one member having an inner surface and an outer surface; (b) a rib having a first end and a second end; (c) a rib-receiving member integral to the inner surface of the at least one member, wherein the rib-receiving member comprises a plurality of rib-receiving elements and openings therein for receiving the first end of the rib and at least one cover sheet having an opening therein for receiving the first end of the rib; and (d) at least one anchoring element interconnecting the rib-receiving elements. In another embodiment of the invention, the composite structure comprises: (a) at least one member having an inner surface and an outer surface; (b) a rib having a first end and a second end; and (c) a rib-receiving member integral to the inner surface of the at least one member, wherein the rib-receiving member comprises a rib-receiving sleeve having an open end for receiving the rib and a closed end, and two sleeve support members, wherein the sleeve support members are disposed on opposite sides of the sleeve and interconnect the sleeve to the inner face of the at least one member.
Owner:ROHR INC

Transition duct honeycomb seal

A sealing device for use between a gas turbine combustor transition duct aft frame and a turbine inlet having improved durability, reduced wear on the mating turbine vane, and reduced manufacturing costs, is disclosed. The sealing device has a circumferential length, an axial width, and a radial height and contains a plurality of channels extending axially along the seal inner surface for passing a controlled amount of cooling air to a turbine inlet. The sealing device is formed of abradable honeycomb having a plurality of honeycomb cells with the honeycomb cells oriented to ensure maximum control against cooling air leakage while also providing maximum flexibility during assembly. The sealing device is captured between the transition duct aft frame, bulkhead, and turbine vane platform, thereby allowing easy replacement of the seal without requiring major disassembly of the transition duct aft frame section.
Owner:H2 IP UK LTD

Adapter frame for a power frame

In one embodiment, an adapter frame is provided for use with a power frame to support a tong assembly. When the adapter frame is coupled to the power frame, the load capacity of the power frame is increased, thereby allowing the power frame to be used with larger tongs or tong assemblies such as a riser tong.
Owner:WEATHERFORD TECH HLDG LLC

Method for manipulating terminals of double stranded DNA

A method for manipulating the terminals of a double-stranded DNA. The principle thereof is using a restriction nicking enzyme to first generate one or more nicks on one strand of a double-stranded DNA, then using an oligonucleotide adaptor to bind the same or a different restriction nicking enzyme to generate cleavage on the other strand of the double-stranded DNA, the position of cleavage being determined by the design of the oligonucleotide adapter, and eventually cleaving the double-stranded DNA of interest and generating various lengths of 5′ io protruding terminals and various lengths of 3′ protruding terminals or blunt terminals at the nicks. The bases at the terminals of a double-stranded DNA generated by means of this method can be designed at will, and such terminals can be used for double-stranded DNA splicing, particularly seamless splicing of double-stranded DNA.
Owner:WUXI QINGLAN BIOLOGICAL SCI & TECH
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