Frame-connecting members and manufacturing method therefor
US6212847A · kind A · utility
Inventor
Key dates
| Filing date | Jun 18, 1999 |
| Grant date | Apr 10, 2001 |
| Priority date | — |
| Expiry date | Jun 18, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T403/443
- WIPO fieldCivil engineering
- WIPO sectorOther fields
Abstract
Disclosed are frame-connecting members such as straight, straight-curved, T-shaped and cross-shaped connecting members being used when assembling or fabricating vinyl houses, etc, and method for manufacturing the same. The frame-connecting member comprises a first connecting part, having a metal pipe shape, which connects a frame of a first direction, a second connecting part, having a metal pipe shape and corresponding to the first connecting part, which connects a frame of a second direction, and a fixed part, placed between the first connecting part and the second connecting part and molded with the molding material of a synthetic resin, which connects the connecting parts. A method for manufacturing a frame-connecting member comprises the steps of (a) forming a hole, (b) disposing an upper molding frame and a lower molding frame, (c) introducing a molding material into the fixed part, (d) releasing the upper and lower molding frames from the fixed part, (e) forming a connecting groove, and (f) inserting rods into the opposedly-placed first and second connecting parts. The frame-connecting member according to the present invention provides a straight connecting member having two…
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.