Article of furniture made from thermosetting resin impregnated felt
US4998773A · kind A · utility
Assignee
Inventor
Key dates
| Filing date | Jun 27, 1989 |
| Grant date | Mar 12, 1991 |
| Priority date | — |
| Expiry date | Jun 27, 2009 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T29/49801
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The invention relates to a chair formed by shaping sheets of felt PA0 preparation of a flat sheet formed by a felt or similar compressed material with a hardening substance; and PA0 punching of the flat sheet in a pattern corresponding to the flat lay-out of the chair to be produced, and PA0 arranging all of the incisions and holes required for the successive foldings and applications of its parts; and PA0 possible softening of the hardening substance included in the felt or the impregnation of the felt with a hardening substance; and PA0 shaping of the flat sheet to the final form of the chair to be obtained; and PA0 hardening of the hardening substance in the zones which must be given the required rigidity, leaving the other zones in the natural state; and PA0 assembling of any further parts of the chair; and PA0 finishing treatments of the chair made.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.