The Ingersoll Milling Machine Company

Other

Royal Flush (1979) Inc.

Paul A Charles

Frederic D Williams

An involute external tooth profile is cut into the periphery of a gear blank by positioning a rotating milling cutter with its cutting path perpendicular to the plane of action of the desired base surface of revolution within the gear blank so as to penetrate the plane of action from the side thereof opposite to the base surface and with a predetermined line of intersection which generates the involute profile as the base surface rolls upon the plane of action. The rolling action causes the generating line to traverse the blank between its addendum surface and a depth sufficient to provide the desired length of active profile.

Method of generating involute tooth forms with a milling cutter

Disclosed is a tape-laying mechanism and method for constructing sheet layments of composite resin-embedded filamentous material in incremental tape form. A pair of tape-laying heads are mounted side by side for simultaneous operation with their tapes spaced apart an integer multiple of the tape-width. Controlled movement of a tape-laying subcarriage of each mechanism draws tape from a supply before implanting it progressively on the laying surface by return movement of the subcarriage. Tape is laid without movement of the mechanism as a whole other than for lateral indexing, and the mechanism allows lateral indexing while the tape is being drawn out to length above the laying surface before it is implanted.

Tape-laying head

A panel is secured to the roof of a building in spaced relation with the roof so that a flow space for air is defined between the panel and the roof. The upper surface of the panel is defined by a series of channels whose side walls are formed with a concave-convex shape to cause solar radiation to reflect back and forth between opposing side walls a substantial number of times and thereby cause more energy to be absorbed by the panel for the purpose of heating the air in the flow space.

Solar heat collector with channeled panel

A back-washable filtering element, especially for use with pumps, and more particularly for use with pumps that handle liquids with solid material entrained therein, consists of a helical coil spring disposed in a flow path for the liquid to be filtered. A movable element in the flow path is mechanically connected to the spring and compresses it axially under the effect of the back washing liquid to automatically reduce the flow capacity. The resultant 'shrugging' of the spring also permits it to clear itself of filtered material to facilitate the back-washing.

Growing community of inventors

Rockford, IL, United States of America

Paul A Charles