Color-changing sandwich hollow material apparatus structure

Application Number: 00102450
Application Date: 2000.02.23
Publication Number: 1310089
Publication Date: 2001.08.29
Priority Information:
International: B29D24/00;B60J1/00
Applicant(s) Name: Tan Mingsen
Inventor(s) Name: Tan Mingsen
Patent Agency Code: 00000
Patent Agent:
Abstract The present invention relates to transparent sandwiched material for roofing, door, window, wall and partition of building, door and window of automobile, and other household articles. Transparent material is first made into sandwiched pipe, plate, square or special shaped sealed part, and then filled with color powder or color liquid by means of pump, air compressor, vacuum unit, etc. to inflate and exhaust gas and liquid, and heating equipment. The sandwiched hollow material may be changed in color and may be used to shade.