Abstract: This invention relates to rigid solid-lubricant composite materials which are extremely heat and wear-resistant and are moldable and thermosetting when molded to shape for handling hot glass articles. The composition is comprised of an organic silicone resin having chopped glass fibers and a finely-ground graphite-containing material therein. The composition may be molded to shape by compression or transfer molding into conveyor parts, for example, for handling newly-formed hot glass articles without marring their surfaces.

Abstract: This invention relates to a laminated vacuum pad, and method of making same, comprising a heat-resistant woven fabric substrate having a continuous heat and wear-resistant continuous coating thereon for handling hot glass articles, and the like, without marring same. The heat-resistant flexible vacuum pad is formed from a tightly woven fabric such as glass fibers with a continuous imperforate coating of organic-inorganic silicone resin containing a filler of heat-resistant carbonaceous material adapted to withstanding extensive repeated contact with newly-formed hot glass articles. The flexible laminated vacuum pad is preferably used as a facing material for a rigid structural member formed of metal.

Abstract: This invention relates to a composite material, and method of making same, comprising a heat-resistant woven fabric substrate having a continuous heat and wear-resistant continuous coating thereon for handling hot glass articles, and the like, without marring same. The heat and wear-resistant composite material is formed from a tightly woven fabric, such as glass fibers, with a continuous imperforate coating of organic/inorganic silicone resin containing a filler of heat-resistant carbonaceous material adapted to withstanding extensive repeated contact with newly-formed hot glass articles. The composite material is preferably used as a facing material for a rigid structural backing member formed of metal.

Abstract: Composite article, and method of producing same, comprising a heat-resistant woven fabric substrate having a continuous heat and wear-resistant coating thereon for handling hot glass articles and the like without marring same. The heat-resistant flexible composite material is formed from a tightly woven fabric such as thermoset polyaramid fibers with a continuous imperforate coating of organic-inorganic silicone resin containing a filler of heat-resistant particulate material therein adapted to withstand extensive repeated contact with newly-formed hot glass articles. As required, the flexible composite material may be used alone or as a facing for a rigid structural member formed of metal.

Abstract: An improvement is provided in methods for forming glass articles which methods are of the type wherein hot formable glass is first formed into a parison, or blank, in a parison or a blank mold and then the parison, or blank, is formed into the final glass article in a blow mold and wherein there is no relative rotation of the glass and the respective molds in the forming operation; the improvement resides in providing the cavity-defining surface of the blank mold with a layer, or coating, of a solid film lubricant or glass release agent which essentially comprises a non-colloidal lubricating graphite dispersed in a thermoset, cured, hard organopolysiloxane binder. The layer, or coating, is formed by applying a dispersion of graphite in an organic solvent solution of a further-curable, thermosettable, solvent soluble, organopolysiloxane onto the cavity defining surface of the blank mold and then curing said organopolysiloxane to a thermoset hard condition.

Abstract: An improved lehr loading bar for loading newly formed glass containers into an annealing lehr. A series of relatively flat faced liner bars are loaded into a carrier bar having opposed dove tail slides. The liner bars are separated by spacers which also engage the dove tail slides. The space between adjacent spacers defines a pocket into which a glass container may fit for transfer to a lehr. Both liner bars and spacers are made of carbon or carbon graphite material to prevent thermal damage to the hot glass containers when they touch them.

Abstract: In a glassmaking process, a pair of reciprocating blades are used to cut a stream of molten glass into discrete charges known as "gobs". The cutting surfaces of the shear blades are maintained in a spaced-apart relationship by pairs of raised portions or rails formed in or on the facing blade surfaces. The raised portions or rails of the blades keep the blades separated a specified distance and thereby extend the wear life of the blades by eliminating friction between the cutting surfaces of the blades. A solid film lubricant is applied to the blades and serves to lubricate both cutting surfaces of the blades, thus the blade surfaces that contact the molten glass stream are lubricated to avoid the possibility of the glass sticking to the shear blades.