A transmission for a tractor comprising a main chagespeed mechanism, an auxiliary change-speed mechanism, and a gear type backward-forward drive switching mechanism for transmitting power from an engine to a propelling system The main change-speed mechanism the gear type backward-forward drive switching mechanism and the auxiliary change-speed mechanism are arranged in a transmission case in the m...

A rotary die cutter for die-cutting blanks one after another has a blank feed unit, a pair of cylinders for die-cutting the blanks, and an endless member running synchronized with the cylinders. The blanks are gripped by grippers mounted at equal spacings on the endless member. The cylinders are adapted to allow the grippers to pass between the cylinders while gripping the blanks.

Apparatus and method for starting respective leading ends on web running continuously and wound into successive rolls. As each roll reaches a final diameter, a fresh leading end is provided on the web by machine direction slitting partial separation of a leading end tongue area and cross machine slitting of the remainder of a fresh leading end on the web, followed by complete separation of a leadi...

There is disclosed a needle assembly comprising a needle, a needle-retaining portion, a removable needle protector portion, and a resilient member for removing liquid from the surface of the needle which is disposed around the needle rearward of its point. The liquid removing member has a needle-accommodating opening with a diameter approximately that of the outside diameter of the needle. The mem...

Polyurethane foams which may be rendered flame resistant by the addition of flame retardants are produced by reaction between a carbohydrate, a polyisocyanate and water in the presence of a suitable surfactant and polyurethane forming catalyst.

The inter-layer adhesion of laminates comprised of alternating layers of thermoplastic polyester and ethylene-vinyl acetate copolymer is greatly enhanced by a method of treatment of the laminate with a stream of inert gas at elevated temperatures which is described. The treated articles in general exhibit a T-peel strength of 1 in. lb./in.2 and greater, which is far in excess of the peel strengths...

An operation mode monitor for a microcomputer in which any one of a plurality of operation modes can be selected in response to an operation mode setting signal generated from an external circuit when reset. The monitor according to the present invention can check whether a predetermined correct operation mode has been selected in the microcomputer in accordance with a checking program and output ...

A power loss analyzer for providing a signal processor with a discrete power loss alert signal indicative of an imminent power disruption and for providing to the processor subsequent to a disruption a discrete power loss signal indicative of a power disruption that has resulted in degradation of the data stored in memory is disclosed.

PURPOSE:To attain the communication with radio waves of small electric power and to call assuredly a mobile robot by using an indoor AC power supply wiring to transmit call signals of a robot and at the same time providing relay transmitters to plural plug sockets to relay the call signals. CONSTITUTION:The call signals are oscillated from a call signal oscillator 1 to a mobile robot 40 and then t...

A process for converting moist carbonaceous materials into an aqueous slurry suitable for pipeline transport and subsequent combustion in furnace burners such as power boilers and the like. In accordance with the process, a moist carbonaceous feed material such as peat, brown coal, lignite, subbituminous coal, waste agricultural cellulosic materials and the like is subjected to an autoclaving trea...

A sealing cap for mating to cylindrical parts such as the bolt guide of a spot-type disk brake. The cap includes a resilient boot one end portion of which is adapted to be secured circumferentially to a first cylindrical part and the other end portion of which is adapted to be secured circumferentially to a second cylindrical part. At least one of said end portion comprises a rigid insert member. ...

The invention relates to a process of making articles of foamed polymethyl methacrylate (PMMA). In a first process stage a mixture comprising monomeric methyl methacrylate, plasticizer, preferably liquid foaming agent and catalyst is polymerized by heating and/or irradiation to form a foaming agent-containing solid body. In the second process stage this body is foamed by heating to the softening t...

Generally closed cell phenolic foams are prepared which have a K-factor of less than 0.2, preferably from about 0.116 to about 0.170 Btu/hr - DEG F. - ft - 2 per inch of foam thickness when measured at 24 DEG Centigrade. The foams are prepared from a resole resin which has been stripped to a water level of less than 7 percent by weight, preferably from about 3 to about 6 percent by weight based ...