Abstract: A staple with parallel legs and two parallel cross pieces therebetween comprising a pair of parallel legs, the legs being formed with upper ends and lower ends, the lower edges being bevelled to facilitate movement into the surface to which the staple is to be secured; an upper first cross piece formed as an integral extension of the legs and extending therebetween at the upper end of the legs; and an intermediate second lower cross piece positioned parallel with the first upper cross piece at a location intermediate the ends of the legs and integrally formed therebetween, the entire staple including its legs and its first cross piece and its second cross piece being integrally formed of a rigid material.

Abstract: Adhesive - sealant compositions useful for bonding metal and/or glass surfaces are disclosed. These adhesive - sealant compositions are comprised of an aluminous cement and the reaction product of a tetracarboxylic dianhydride or a tricarboxylic monoanhydride and a dihydrazine, dihydrazide or aromatic diamine. The adhesive sealant is capable of withstanding surface temperatures of up to 1,000.degree. F. without loss of adhesive or sealing properties.