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用于无水马桶的内衬袋的制造方法
Method of making a liner bag for waterless toilet
US-7935210-B2用于制造无水马桶一次性内衬袋的方法。
专利摘要
一种无水马桶内衬具有座板，该座板适于放置在无水马桶座圈上，并形成有中心孔，其尺寸和形状大致对应于座圈孔的尺寸和形状，以及袋体，其具有固定在座板上的上边缘，围绕该孔。该内衬通过以下方式制造：首先将箔管推进到第一工作站，并在箔管上形成横封和切口，以切出具有开口端的袋体。然后将袋体的开口端装配在一对箔片之间。通过箔片和袋体的开口端切割开口，并将袋体在开口处及附近的边缘粘合到箔片上。然后在袋体的下游切割或穿孔箔片。
Original abstractA waterless-toilet liner has a seat panel adapted to lie atop a waterless-toilet seat and formed with a central hole of a size and shape generally corresponding to a size and shape of the hole of the seat, and a bag having an upper rim secured to the seat panel around the hole therein. This liner is made by first advancing a foil tube to a first work station and forming a cross-seam and cut in the foil tube-to cut therefrom a bag having an open end. Then the open end of the bag is fitted between a pair of foil sheet. An opening is cut through the foil sheets and open end of the bag and the edges of the bag at the opening and there adjacent are bonded to the foil sheets. Then the foil sheets are cut through or perforated downstream of the bag.
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