摘要:
A method of forming a series of bags for bulky articles from rolled thermoplastic film and padding element includes arranging a linear, longitudinally traveling queue of layers of film and padding element according to a set of desired bag dimensions and characteristics and controlling the advancement of the queue to make padding element and seal cuts to form the bags. The invention also includes a system for fabricating bags substantially in the manner identified in the method of the present invention, as well as a method of forming seal cuts in which an envelope is first clamped, then sealed and cut by heat and pressure, then allowed to cool before being released.
摘要:
Disclosed are a method and an apparatus designed to make a window envelope rapidly using a water-soluble clarifying agent without causing an inconvenience in its window area. Upstream of an envelope making stage wherein a continuous paper while traveling along a continuous path of travel is successively folded, pasted and cut to form an envelope, a water-soluble clarifying agent is applied to an area on the continuous paper that is designed to become the transparent window in the envelope and the continuous paper carrying the clarifying agent is wound on a plurality of drying cylinders so that its surface carrying the clarifying agent faces outwards to dry the clarifying agent while holding the surface of paper carrying the clarifying agent out of contact with the drying cylinders.
摘要:
A special service mailpiece having an integral document section and a method for forming the mailpiece requiring special services are provided. The mailpiece has an integral document section requiring special service mailing and includes a sheet folded into sections along a fold line, then sealed to enclose the integral document section. The sheet further has a removably attached section which, after the system is folded and sealed, forms a return postcard and at least one form. The return postcard and the form are integrally formed, but removably attached, such that the return postcard remains attached to the mailpiece until received by the addressee at which time it may be removed.