driving means for forcing the mandrel through the holes to enlarge same, and a backup member with an aperture therethrough of a diameter at least as small as the initial inside diameter of the tubular member that is positioned against the work pieces in opposition to the mandrel with its aper...
As a cost-effective repair that could be accomplished easily I suggested that we fill the voids with cement and then grout the top with colored grout to match the existing 50 year old grout. They like the idea, and the price so we got to work. Filling A Hole In Floor – Hydraulic Cem...
An alignment device for hole saw includes a first alignment member having a first end having an outer width slightly less than an inner diameter of the hole saw and serves as an alignment bearing surface therefor and a second end configured with a nose to be received adjacent a hole of a...
a fixing device used for fixing the electrical heater and keeping the cylindrical metallic rod in a vertical orientation;a supporter comprising a receiving recess configuring for receiving a moveable carrier, the moveable carrier comprising a bushing hole, the supporter being movable so as to make ...
For every Amazon seller, knowing what keywords are ranking well in different Amazon categories matters a lot. Now you already know that these keywords, such as “mk morse hole saw”, “dhs790”,”log splitting drill bit”, “firewood drill bit splitter”, “hole saw kit”, “locksmith tool...
must: impressupondonors that its core budget was not an administrative black hole but the key to running its educational programmes and thus should be seen as an investment in the future of the Palestine refugees; exploit all funding opportunities;enlargeitsdonor base ...
1. An optical enlarging device for a graphic copy, comprising 2. An optical enlarging assembly as defined in claim 1 wherein the last named means comprises a frame member pivotally attached to said base member, and coil springs mounted on said base member and disposed below said optical housi...
My invention relates to laps, such as are used in drill presses and other operating machines for correcting and smoothing out and even slightly enlarging bores for the purpose of securing precision and perfect fit of a part operating therein. Among the salient objects of my invention are:...收...
High solar cell efficiencies are currently achievable with kesterite thin-film solar cells, as the phase instability of their quaternary and secondary phases and related defects can lead to electron-hole recombination and decrease the open circuit voltage (VOC) and current density (JSC) ...
aFiring pattern must be planned so that each hole or group of holes, gets as favourable confinement and throw conditions as possible. That is ensured by trying to establish a smaller version of the final cross-section shape around the cut, and then enlarging this shape. It is also essential...