Morton International, Inc.

Other

Warren G Duncan

Owen H Decker

Steven John Hobbs

John Richard Gilmore

David A Mountz

Michael J Hallisy

Dwight Allenbaugh

Powdered coating compositions and methods for obtaining improved wrinkled finishes with epoxy powder coatings are provided which utilize curing agents other than commercially available methylenedisalicylic acid.

Epoxy powder coating with wrinkle finish

Solid waste materials comprising oxidatively-cured, solid polysulfide sealants containing spent oxidant, fillers, plasticizers, and other formulating aids are reverted to a liquid sealant comprising mercaptan-terminated polysulfides by reducing them with a liquid mercaptan-terminated polysulfide at temperatures ranging from about 50.degree. to about 110.degree. C. Upon the addition of fresh curing agent and recuring, the reclaimed sealant has satisfactory tensile strength and elongation properties.

Process for recycling cured polysulfide sealants

A connection system is provided for use with scaffolding to secure laterally extending support members to upright standards. Latching rings permanently secured at intervals along the upright standards are provided with primary latching openings, each of which has a central region of limited breadth with oppositely directed narrower radial elongations of uniform width throughout. The radial elongations of the primary latching openings are located so as to reside in vertical registration with longitudinally elongated apertures formed in flanges of brackets that are secured to laterally extending scaffold support elements. Wedges are carried by the brackets and can be fully engaged only when the laterally extending support members are in precise, orthogonal alignment relative to the upright standards. Preferably, secondary latching ring openings are provided to accommodate diagonal braces to enhance the rigidity of the scaffolding support.

System scaffold wedging arrangement

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Crystal Lake, IL, United States of America

Warren G Duncan