摘要:
Flame-retardant treated cotton/thermoplastic fiber blend fabrics have been discovered which have extended wear life and retain their flame-retardant treatment for the life of the garment.
摘要:
Flame-retardant treated cotton/thermoplastic fiber blend fabrics have been discovered which have extended wear life and retain their flame-retardant treatment for the life of the garment.
摘要:
Yarns which are suitable for use in the warp of durable cotton/nylon clothing fabrics dyed in light shades with permanent antistatic properties are disclosed.
摘要:
Improved flat duck griege cotton/thermoplastic fiber blend fabrics have been discovered which are suitable for processing into flame resistant fabrics with low laundry shrinkage while maintaining high resistance to molten metal.
摘要:
Woven fabrics wherein the warp yarns contain specified amounts of heat resistant fibers blended with cotton fiber provide protection against radiation given off by electric arcs.
摘要:
A reticulated tube of reinforced ceramic fibers is provided as a catalyst carrier for use in the catalytic conversion of internal combustion engine exhaust fumes. The tube is comprised of multiple layers of continuous yarn of selected ceramic fibers which can be bonded, if desired, with a substantially nonporous binder having selected properties and contained in a refractory oxide matrix having selected properties.
摘要:
To provide lock servicing of particular door locks in common use, a bypass key (1) with key blade (2) long enough to reach through a lock-cylinder plug (26 and 45) and low enough to pass under extended tumblers (37) of a lock cylinder (28 and 43) in order to dislodge a tailpiece (36) from a stop-washer (63 and 45) or other attachment means at an inside end of the plug is provided in conjunction with a control key (14 and 21) with a key blade (13) of the same length into which single-lock and multiple-lock profiles (15) can be made to rotate the lock plug (26 and 45) and disengage or engage a lock cylinder (28 and 43) and its means of attachment to a door lock (54). Methods are provided for using the bypass keys (1, 1A, 18, 22 and 23) in conjunction with the control key (14 and 21) for unlocking a door (55) and installing a new or changed lock cylinder (28 and 43) without removing the lock (54) from the door (55), a time-consuming process that is required in current lock-change methods, regardless of whether or not a key for the lock is available.