Our invention is related to a base fabric that is made into a single piece by seaming the base fabrics made of polypropylene (PP) material that is ultraviolet protected or that are not ultraviolet protected, to each other; a seamed carpet base production mechanism which enables to produce said base fabric and a method of producing said base fabric. Our mechanism subject to the invention comprises a feeding section (1) onto which rolls (3) that are wound with at least two base fabrics (2) made of ultraviolet or non-ultraviolet polypropylene (PP) material are loaded, tension cylinders that adjusts the tension in order to ensure that the surfaces of the base fabrics (2) received from at least two rolls (3) that have been loaded onto the feeding section (1) coincide with each other precisely without leading to air pockets or sagging; a seam section (4) onto which the base fabrics (2) that have been received from the tension cylinders that coincide with each other without having air pockets or sagging are transferred; a bottom and top yarn source (6,7) that is used for completing the fixation of at least two base fabrics (2) to each other by seaming, pre-winding tension cylinders (8) onto which at least two base fabric (2) that have been fixed to each other, made of ultraviolet protected or non-ultraviolet protected polypropylene (PP) material are transferred; a winding section (9) where the base fabrics (2) whose tensions have been adjusted and that have been fixed to each other are wound over the rolls and a control unit (11) which controls the entire machine.
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