Method and apparatus for applying an envelope

The invention relates to a method and apparatus for creating an envelope (10, 11, 12, 13) in the production of perfect-bound or saddle-stitched books, brochures, magazines or the like. Printed products (14, 15), having an inner part (2), consisting of a collection of folded sheets, layers and / or individual sheets and a cover (10, 11, 12, 13), which placed around the inner part (2) and is connected thereto. The inventive method provides that a roller (3) a wound envelope web (4) is provided, with the envelope web (4) is unrolled, and that a cover sheet (10, 11, 12, 13) in the desired format height of the envelope web ( 4, 8) separated, and the inner part (2) for folding and connecting is supplied. Hereby a reliable and proper feeding of the envelopes to the internal components is made possible and the operating expense for the envelope applying reduced.