rotates second gear 157 in a clockwise rotation as with the third drive translator gear 195 the fourth drive translator gear 199 and second endless belt 69 allow the scrim 45 to move therebetween without damage to the scrim 45 with the exception of the drive means the alternative embodiment of fig5 is substantially similar to fig4 with identical numerical designations to reflect such similarity it should be noted that with both embodiments first sprocket 75 second sprocket 76 third sprocket 105 and fourth sprocket 106 must be of the type required to engage first endless belt 68 and second endless belt 69 there are several embodiments of the type of the first and second endless belts 68 69 that could create the scrim 45 as part of the scrim forming apparatus 32 a flat belt can be utilized as shown in fig8 and designated by numeral 201 it is understood that there should be a significant degree of friction on the surface of flat belt 201 in order for belt 201 to move the scrim 45 another embodiment is to utilize a flat belt 201 with cylindrical protrusions 203 projecting from one side as shown in fig9 and generally indicated by numeral 202 each yarn 28 will then be separated from each other to insure high quality scrim formation a third embodiment of the first or second endless belt 68 69 is to use a series of cylindrical members 204 that are perpendicularly interconnected by a series of upper linking members 205 located near the top of.