Carpet tile renewal process and products
AssigneeMilliken & Company
InventorsRobert S Brown, Kenneth B Higgins
Life of this patent
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Abstract
Refurbishing and/or renewing cut or loop pile carpet products including carpet tiles by passing the product under a high pressure water or liquid dispensing head projecting a stream of water against the subject product at a pressure in the range of 100-2000 p.s.i.g. Improvements to such methods include adding a polymer backing layer to the tile, pre-bulking the face yarns, and/or chemically treating the face yarns.
Claims7
In a method of refurbishing used carpet tiles, the improvement comprising steam bulking and then chemically treating the carpet tile prior to washing and retexturing the pile face yarn to achieve a uniform color and appearance between individual carpet tiles when the refurbished carpet tiles are dyed, wherein said chemical treatment includes applying a cationic, water-soluble, polymeric organic compound.
A method of refurbishing cut or loop pile carpet products, comprising the steps of:
- steaming and prebulking face yarns of the pile carpet product, washing the pile carpet product by projecting a stream of cleaning liquid against the face yarns of the pile carpet product to clean dirt therefrom,
- chemically treating the face yarns of the pile carpet product by applying a cationic, water-soluble, polymeric organic compound,
- drying the pile carpet product in an oven to a uniform moisture content, shearing the surface yarn of the face to a uniform level height,
- trimming the edges to make the pile carpet product square, pattern jet dyeing the pile carpet product to apply new dye colors or pattern,
- and then steaming, washing and drying the dyed pile carpet product.
Dependencies are inferred from the claim text.