Colorful co-extruded plastic pipeline
Patent Information
- Authority / Receiving Office
- CN Β· China
- Current Assignee / Owner
- LIAONING CHENGWEI PLASTIC PROFILE
- Publication Date
- 2015-04-22
- Estimated Expiration
- Not applicable Β· inactive patent
Abstract
Description
technical field
[0001] The invention belongs to the field of plastic profile molding, and relates to a co-extruded plastic pipe, in particular to a plastic pipe formed by a color co-extruded method. Background technique
[0002] Most of the plastic pipes on the market are single-color or full-color PVC pipes. Although the single white plastic pipes are low in cost, they are poor in decoration, and the surface is prone to yellowing after a period of use; although the full-color PVC pipes are rich in color , strong decorative, but the cost is high, and ordinary colored PVC pipes are also prone to "fading" phenomenon that the surface gloss will decrease and the color will lighten after a period of use.
[0003] Therefore, it is necessary to provide a color co-extruded plastic pipe with low cost and good weather resistance. Contents of the invention
[0004] In view of this, the object of the present invention is to provide a colored co-extruded plastic pipe, which has the ad...