Armstrong World Industries, Inc.

Harold N Graybeal

Darryl C Bodine

Jack H Witman

Lawrence Clark

Nancy E Mentzer

Disclosed is a fabric-faced wallboard product having a modular appearance and a method for preparing the composite product without using separate modules. By tucking the fabric into a grooved surface of the board, the appearance of a plurality of individual blocks, sections or modules is provided.

Fabric-covered board structure and process of manufacture

The present invention relates to a process for preparing chip-containing decorative surfaces wherein the chips are positioned so as to provide a pattern. A first adhesive material is selectively applied to a support surface and the conditions are adjusted so that the first adhesive material is substantially non-adhesive in nature. A second adhesive material is selectively applied as a pattern on top of or adjacent to the first adhesive material and chips are applied to the surface so as to be adhered by the second adhesive material. Any non-adhered chips are removed and the conditons are adjusted so that the first adhesive material demonstrates adhesive properties. A second type or color of chip material is then applied so as to be adhered by the first adhesive material. Upon removal of the non-adhered chips, a product is obtained having a positioned chip pattern. The process may also be practiced using additional adhesives and chips so as to provide products having more than two types of positioned chips.

Method of making a positioned chip surface covering

Herein is a modification of a conventional rotary screen printer wherein steel slugs are positioned inside a hollow squeegee rod to line up with heavy print areas. When more magnetic force is applied to the steel slugs, less ink is deposited since the screen is held tighter against a nonporous substrate.

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Lancaster, PA, United States of America

Harold N Graybeal