Abstract: Hot-melt silicone pressure sensitive adhesive compositions containing alkylmethylsiloxane waxes and methods of using the compositions are disclosed. The hot-melt silicone pressure sensitive adhesive compositions include a mixture of (i) a silicate resin, (ii) a silicone fluid, and (iii) an alkylmethylsiloxane wax having a melting point of between 30.degree. C. and 70.degree. C. The alkylmethylsiloxane wax decreases dynamic viscosity of the adhesive compositions at temperatures ranging from about 50.degree. C. to about 200.degree. C.

Abstract: Hot-melt silicone pressure sensitive adhesive compositions containing organic waxes, methods of using the compositions and devices made using the compositions are disclosed. The hot-melt silicone pressure sensitive adhesive compositions include a mixture of (i) a silicate resin, (ii) a silicone fluid, and (iii) an organic wax having a melting point of between 30.degree. C. and 150.degree. C. The organic wax decreases dynamic viscosity of the adhesive at temperatures equal to or below about 200.degree. C.

Abstract: A method for in situ conversion of an original single walled tank 10 into a resultant double walled tank 24 for storing a material 14 is disclosed. The resultant double walled tank 24 has an outer wall 22 and an inner wall 26. Each wall 22 & 26 of the double walled tank 24 has an interior surface 28 & 30. The first step of the preferred method is to provide the original single walled tank 10 for in situ conversion into the resultant double walled tank 24. The original single walled tank 10 forms the outer wall 22 of the resultant double walled tank 24. The second step of the preferred method is to install a sensor 32 to monitor failure of either wall 22 & 26 of the resultant double walled tank 24. The third step is to install at least one plastic coating 34 over the interior surface 28 of the outer wall 22 to form the inner wall 26 of the resultant double walled tank 24, the plastic coating 34 being such that at least some of hydrogen atoms in the coating 34 can be replaced with other ions upon reaction.

Abstract: Sand castings are removed from their molds before cooling and reheated in a heat treating booster furnace. The castings are transferred from the booster furnace to a rotary drum filled with agitation media. As the castings pass through the media drum, they are simultaneously cleaned of sand particles and down-quenched by the agitation media. The system is particularly suited for austempering cast iron parts.