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20764results about "Underwater structures" patented technology

Four parts manhole enabling an easy install and height adjustment

A manhole comprised of four parts is provided. The manhole is comprised of an outer-manhole pipe, an inner-manhole pipe, a manhole cover, and a support pipe. Pluralities of concave arc band shape blades are horizontally developed along the inner surface of the outer manhole pipe. Same number of convex arc band shape blades is horizontally developed along the outer surface of the inner manhole pipe. The inner-manhole pipe is inserted into the outer-manhole pipe vertically when the two kinds of arc shape blades aligned to make pass way for each other. When a desired height is reached, workers rotate the inner-manhole pipe 60 degrees horizontally and put down the inner-manhole pipe. Then the two kinds of blades are overlapped and fix the height of the manhole cover. A support pipe, comprised of two pieces of equal hemi-pipe connected one end, is engaged between the top flange of the inner-manhole pipe and top end of the outer manhole pipe to hold and support the distance between them.
Owner:YOON JUNG HO

Surgical instrument with articulating shaft with rigid firing bar supports

A surgical stapling and severing instrument particularly suited to endoscopic use includes a proximal portion that is manipulated external to a patient to position an attached elongate shaft and end effector to a desired surgical site inside of the patient. An articulation joint pivotally attaches the end effector to the elongate shaft to give further clinical flexibility in reaching tissue at a desired angle. A firing bar translates within the elongate shaft and articulates through the articulation joint with a reduced force to fire, supported within a knife slot formed in a link that pivots at both ends, thereby reducing the radius of curvature of the firing bar by half at a particular location. One version includes a link that connects across portions of a closure sleeve assembly and another version includes a link that connects proximal and frame ground portions.
Owner:ETHICON ENDO SURGERY INC

Mechanical interlocking means for retaining wall

An improved method and system for attaching a welded wire grid-work panel to a plurality of face panels of a retaining wall. The method first begins by providing a plurality of stackable face panels, each face panel having a plurality of anchor links fixed within a back portion of the face panels. Each of the anchor links forms a vertical loop extending outwardly generally perpendicular to the back portion of the face panels. Additionally, each anchor link includes two legs extending laterally from each anchor link within the face panel. Next, a first tier of the face panels is disposed at the bottom of the embankment being erected. Soil is then back-filled behind the first tier of panels to a level of the anchor links disposed within the first tier of face panels. A welded wire grid-work panel, which extends perpendicularly from the back portion of the face panels into a soil embankment, is positioned so that a plurality of wire loops at the edge of the grid-work panel aligns with the vertical loops. A connector rod is extended through the vertical loops of the anchor links and the wire loops of the grid-work panel. Next, additional soil is back-filled behind the first tier of face panels and over the anchor links, vertical loops, wire loops, and grid-work panel to a level at a top edge of the first tier of face panels. The method is repeated until the desired height of the embankment is attained.
Owner:SCR STI LLC
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