Notched spatula applicator and adhesive composition for laying parquet
US8272095B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 21, 2008 |
| Grant date | Sep 25, 2012 |
| Priority date | — |
| Expiry date | Feb 4, 2030 |
Classification
- Technology area (CPC E)Fixed Constructions
- CPC primaryE04F21/20
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
The invention relates to a notched spatula applicator (1) including gripping means (3) connected to a spatula (2) of which the straight working edge (2c) is equipped with a plurality of notches (4) that are identical and evenly spaced apart by a distance between 35 and 50 mm, the width of said notches being between 9 and 18 mm and their height between 8 and 20 mm.The invention also relates to a process for laying, by bonding, rigid floorcoverings, especially parquet, which uses said applicator and an adhesive composition comprising from 0.2 to 5 wt % of substantially spherical particles of a material for which the substantially identical diameter may range from 1 to 7 mm.The invention finally relates to the adhesive composition used in said process.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.