Barnes Engineering Company

Other

Bruce S Gordon

Alan Adler

A Device for Correcting a Sagging Bed is disclosed. The device may be configured to be placed under the center region of a sagging or new mattress, after which the device is inflated to correct the sagging portion, or to provide additional support. The device may further be divided up into two or more chambers in order to prove additional control and adjustment. The device further may include between two and four lobes extending outwardly at ninety degrees from one another.

Device for correcting a sagging bed

Transparent selective optical absorption filters of improved stability to ambient solar light and radiation in the near UV range are provided by incorporating metallized tetra ((meso)-5-methyl-2-thiophene) phorphines, platinum (5-bromo octaethylporphine) or mixtures thereof into suitable filter matrices such as plastic, glass or the like. Optical filters absorbing in narrow radiation bands and useful as transparent protective laser shields are provided.

Metallized tetra((meso)-5-methyl-2-thiophene)porphines, platinum

A laser shield which absorbs narrow band radiation of a laser beam while transmitting broad band radiation encompassing the narrow band is provided by diffusing a layer of a chromophore selected from one or more porphyrin complexes which have been modified by metals forming a metallo-porphyrin complex. The chromophore or chromophores are combined with a solvent which are mixed for dissolving the chromophores in the solvent to provide a dissolved chromophore solution. A transparent matrix material is dipped or otherwise brought into contact with the solution for a predetermined time period at a predetermined temperature for diffusing the chromophore into the surface of the matrix material which has been softened by the solvent at the elevated temperature to thereby provide a layer of diffused chromophore which absorbs radiation in a narrow band corresponding to the characteristics of the chromophore while passing a substantial portion of all radiation applied thereto. The strain introduced into the softened surface is then removed by a heat annealing process which also increases the effective concentration of the chromophore by increasing its solubility in the matrix.

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Shelton, CT, United States of America

Bruce S Gordon