Abstract: A seal assembly for expansion joint gaps in which a sealing member having a gap spanning portion and side walls is sealingly attached to abutments on respective sides of said gap by a clamping plate adjustably adapted to squeeze the sealing member side wall against a flange of said abutment.

Abstract: The invention provides for easy, efficient repair and maintenance of cooling towers by a design in which the internal elements such as liquid distribution pipes, demister, grating and the like are structurally unified with a supporting means so that they can be removed from or replaced in the tower as a unit.

Abstract: The positioning of dental dowel pins for setting in the die material as it hardens in a tooth cavity of an impression is facilitated by providing a base with a clamp for removably securing the impression thereon and support structure to support a holder for a selected number of dowel pins in individually adjustable positions, and is further facilitated by providing that the apparatus can be used to move the pins out of setting position to allow access or removal of the impression and may thereafter be returned to the predetermined setting position.

Abstract: The invention provides a locking mechanism to control the latch on a cabinet drawer or the like having a bolt which operates to engage or release the latch, the bolt in turn being controlled by a locking pin activated by a key operated cylinder lock. Additionally, the locking mechanism may have a second set of locking pin and cylinder lock over-riding and controlling access by the first cylinder lock.