A demolition-facilitating agent for durable structures, for example, concrete structures and rocks, comprises (A) 100 parts by weight of a mixture in the form of fine particles, consisting essentially of (1) 90 to 99% by weight of a clinker consisting of (a) 15 to 97% by weight of free CaO crystals, (b) 3 to 85% by weight of free 3CaO SiO.sub.2 crystals and (c) 0 to 10% by weight of an inevitable impurity, the clinker having been produced at a sintering temperature of 1200.degree. C. or more, an...

An assembly of teaching aids combined for facilitating teaching of reading comprising a learning station, doll models shaped like alphabet letters wherein each is attached to poles and at least three other character doll models.

An L-shaped channel, for mounting on the lower outside corner of a door, and an adjustable lateral floor brace, for holding an unhinged door upright.

A hitch for use in coupling a trailer to a towing vehicle characterized by a housing having bottom and top plates disposed in mutually spaced parallelism and a pair of converging side walls defining on opposite sides of the housing a first and a second throat disposed in coaxial alignment, said first throat being of a width dimension less than the width dimension of the second throat, an extensible link comprising a coupling arm seated between said plates having a width dimension slightly less t...

The devices disclosed herein are designed for the purpose of properly spacing tile from each other to provide the desired width of space between tiles to give the desired grout line. The first device has a length sufficient to span the length or width of at least three tiles and likewise has a lip extending downward from a linear edge thereof. The second device has a lip extending downward from a flat rectangular plate having a length shorter than the length of the individual tiles. Both of thes...

A method for generating a new configuration of a program containing a plurality of modules and stored in a data processing system. A first table built in response to data entered by a user at a workstation contains the correspondence between each program function and an assigned user. A second table built in response to requests for creating or modifying specified functions indicates for each request, a request number, a description of the requested work, and the function assignee retrieved from...

Therapeutic furniture for disabled persons adapted to support man and woman partners engaged in intercourse has longitudinally moveable man's seat facing adjustable-position female seat. Male partner is supported by seat with his back in a substantially upright position to relieve stresses on lumbar vertebrae, pelvis and legs. Longitudinal movement of the man's seat is effected by hand operation of a joy stick in mechanical communication with the seat, or, according to a modification of the inve...

A network architecture is provided for enhanced support of network services. The architecture includes an operations gateway defined by a number of agents that take responsibility for accomplishing support system related functions including financial transaction functions. Messages are conveyed to the agents that have informational elements containing data or other information useful in accomplishing the necessary functions. Preferably, the network is defined to comprise one or more layers inclu...

Guides or guide assemblies are detachably attached to the floor at the periphery of the base of a toilet, either by installing them before a toilet is removed or using a template which represents the base or by using appropriate measurements. The working faces of the guides of guide assemblies flare away from the space occupied by the toilet base so that a toilet being lowered into place in approximately the correct position contacts the working faces and is guided into the correct position on t...

A shifting apparatus for a vehicle transmission having a multiplicity of sets of gears, operator-controlled means to change the speed of rotation of the transmission countershaft prior to the completion of a gear shift operation, an electrical circuit actuated by the operator for actuating the operator-controlled means, and a device responsive to the speed of the countershaft to exercise control over the electrical circuit whereby a desired speed relationship may be established between the count...