1. An improved well packer for removeable installation in a well casing with a drill string comprising: a hollow packer housing; upper and lower teeth pivotally attached to the housing for releasably engaging the packer housing with the well casing; a mandrel attached to the drill string ...
A device for connecting and supporting electrical fixtures includes a male electrical plug, a mating female electrical socket and a releasable latch assembly for both holding the plug in the socket and mechanically mounting the fixture on a supporting surface or an electrical box. The plug is provi...
One of several extremely clever programmers there — sadly, I believe, deceased some years ago — had been waiting for the thing to go into production for a lot more than a year (he had even pre-paid). They only had the lab prototypes to work with. His patience exhausted, he walked i...
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How do you fix cracked grout? Clean the grout with white vinegar and water. Remove the top 1⁄8 in (0.32 cm) of grout with a tile saw, and vacuum up any debris. Buy new grout that matches the old grout’s color, then mix it according to the package instructions and carefully appl...
gap between the first and second coupling faces being bridged by an inner surface of the fluid connector gasket; a cam locking mechanism including at least two eccentric cams distributed around the connector body and pivotally mounted thereto, the eccentric cams being configured for rotation through...