Single shot extrusion of glass run channel

A weather strip for a window in a motor vehicle comprising:

• a composite structure including a base portion, a pair of sidewalls, and a pair of sealing members;
• the base portion extending lengthwise between a first end and a second end and widthwise between a first edge and a second edge;
• the pair of sidewalls including a first sidewall coupled to the first edge of the base portion via a first joint and a second sidewall coupled to the second edge of the base portion via a second joint;
• the pair of sealing members including a first sealing member coupled to the first sidewall and a second sealing member coupled to the second sidewall, the first sealing member and the second sealing member being located opposite the base portion and extending towards each other;
• each of the sidewalls primarily formed from a strip of a first material;
• each of the sealing members being at least partially formed of a strip of a second material;
• and
• wherein the first material is more rigid than the second material.

A weather strip for a window of a motor vehicle and a weather strip holding fixture with a corresponding channel for insertion of the weather strip comprising:

• the weather strip having a composite structure of a first material and a second material more flexible than the first material, the composite structure including a base portion and at least one sidewall;
• the base portion extending lengthwise between a first end and a second end and widthwise between a first edge and a second edge, the at least one sidewall including a first sidewall coupled to the first edge of the base portion;
• the weather strip holding fixture defining the channel and including a bottom portion corresponding to the base portion of the weather strip and a side portion corresponding to the at least one sidewall of the weather strip;
• at least one projection extending from the base portion or the at least one sidewall of the weather strip;
• and
• at least one opening extending at least partially into the bottom portion or the side portion of the channel in press fit engagement with the at least one projection.