This invention relates to a procedure and installatio to obtain, control and correct micrometric displacements of machine tools or other apparatus, wherein one or more elements which deform under internal pressure are placed between two components of a machine and the micro-displacements obtained are measured against a reference element submitted to the same pressure but, if necessary, positioned outside the machine so that the measuring or control apparatus is not subjected to the disturbing ef...

An elongated horizontal base plate is provided for supporting a pair of miniature oxygen and fuel gas tanks side by side in upright position. Secured at their lower ends to the back corners of the plate is a pair of parallel upright side rails, the upper portions of which are inclined forward over the base plate. The upper ends of the side rails are connected by a handle. A cross member extends between the side rails and is connected to them below their inclined portions. Attached to the side ra...

A glue applicator for corrugated paper machines of the type in which a dip roll dips into a glue vat at one place around its periphery and engages the periphery of a glue applicator roll which rolls on the surface of a moving corrugated paper web, characterized in that the glue applicator roll is provided with a circular or spiral groove so as to apply separated spots of glue to the respective corrugations of the web.

A vehicle is provided with four laterally spaced track units, each of which includes a travelling endless track. Above the track units there is a chassis floor, from which laterally spaced rigid members extend down between the track units. Means are provided for connecting the track units to these rigid members beside them to support the floor. Such means, which include horizontal pivots, are constructed and arranged to allow the track units to tilt laterally. The drive shafts for the endless tr...

A case has a back and a cover provided with sidewalls surrounded by outwardly extending flanges at their free edges for engaging a flexible sealing gasket between the flanges. Surrounding the gasket is a clamping wire that is bent to form spaced loops extending inwardly over the case flanges and pressing them toward each other to clamp the gasket between them. Connected to one end of the wire is means for pulling it outwardly away from the case so that the cover can be removed.

A cap, adapted to be rigidly mounted in the rear end of a driving tool barrel, is provided with an axial bore extending rearwardly therein most of the way through the cap, leaving a thin wall at the rear end of the bore. A cuplike piston has its rear end closed by the cap and is mounted on a rod, the rear end of which is mounted in the cap bore. The rod has a passage through it from its rear end, communicating with an explosive charge inside the piston. A primer is mounted in the rear end of the...

To quench hot coke it is delivered to the surface of water in a tank, where the coke floats. The coke is carried along the surface of the water until it becomes saturated and sinks, whereupon it is removed from the tank. The water adhering to the removed coke is allowed to evaporate.

A plurality of vertically spaced rows of substantially horizontal laterally spaced fingers are pivotally supported at one common end on transverse horizontal axes by means mounted on a carriage beneath the fingers. The carriage is movable from a starting location step by step in a direction lengthwise of the horizontal fingers to first locate at a pipe pickup station a pipe supported by the fingers in the upper row nearest their free ends, and then each successive pipe in that row until all of t...

A method for making envelope blanks from a continuous web of paper such that the cut blanks can move essentially continuously from one or more cutting stations to envelope-gumming and folding stations. The invention is characterized in cutting two or more side-by-side envelope blanks from the web with a minimum of scrap. This is accomplished by cutting adjacent edges of the side-by-side envelope blanks with a common die and along a single cut. Since the sealing flaps of the blanks must face in t...

An elastomeric bearing is provided for oscillatory motion which is also capable of operation as a slider bearing under high radial loads and for large motions. The bearing consists of concentric bearing members with opposed recesses forming a cavity for a mass of elastomeric material bonded to the bearing members. The bearing members have opposed bearing surfaces normally spaced apart a predetermined distance, and restraining members are provided on each side of the elastomeric material to limit...