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Over the years alternative variations of the metal stitching processes were developed, they use terms like Metal Stitch, and Metal Locking, and Metalock to describe their repair process. Lock-N-Stitch [6] is a slightly different stitching method, that was developed from the original stitching concept, by Gary J Reed.
Another advantage of hydroforming is that complex shapes can be made in one step. In sheet hydroforming with the bladder acting as the male die almost limitless geometries can be produced. However, the process is limited by the very high closing force required in order to seal the dies, especially for large panels and thick hard materials.
Zinsco would remain with copper in both their panels and breakers until the third major copper shortage in the early 1960s, when they would switch to an aluminum bus. In 1963, Zinsco introduced the R-38 twin breaker, which was the only twin circuit breaker that also made contact on both bus-bars for 240 volts in a single breaker space.
The newly developed 2000 line, for use on the then-new 1980s technology of ceramic- and glass-top stoves, featured heavy aluminum bottoms for good heat transfer. Both the ONXY line and the Micro-Fryer line were released after the sale, but were discontinued almost immediately as they were perceived as being in direct competition with existing ...
Relative to other building components, aluminum has a high heat transfer coefficient, meaning that aluminum is a very good conductor of heat. This translates into high heat loss through aluminum (or steel) curtain wall mullions. There are several ways to compensate for this heat loss, the most common way being the addition of thermal breaks.
Pressed tin ceiling over a store entrance in Bellingham, Washington, U.S.A.. A tin ceiling is an architectural element, consisting of a ceiling finished with tinplate with designs pressed into them, that was very popular in Victorian buildings in North America in the late 19th and early 20th century. [1]
Isogrid panels form self-stiffened structures where low weight, stiffness, strength and damage tolerance are important, such as in aircraft or space vehicles. Aerospace isogrid structures include payload shrouds and boosters, which must support the full weight of upper stages and payloads under high G loads.
The Siberian grain-silo house was the first system in which Fuller noted the "urban dust dome" effect: many installations have reported that a dome induces a local vertical heat-driven vortex that sucks cooler air downward into a dome, if the dome is vented properly—a single overhead vent, and peripheral vents. Fuller adapted the later units ...