Window frame having outer frame member made of resin
US5687518A · kind A · utility
41Cited by
6References
7Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 8, 1996 |
| Grant date | Nov 18, 1997 |
| Priority date | — |
| Expiry date | Nov 8, 2016 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S49/02
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
In a resin window frame (2, 4), an outer frame member (2a, 4a) made of resin blended with cellulose-based fine powder has a hollow portion, and a wooden core member (2b, 4b) having shape and size corresponding to the hollow portion of the outer frame member (2a, 4a) is engagedly inserted into the hollow portion of the outer frame member (2a, 4a).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.