Printing press stripper

Brown, Jr. It has been illustrated in, conjunction with operating mechanism which causes the point of the stripper to extend momentarily within the circumferenceof the printing drum as the sheet approaches the stripper so that it will be impossible for the sheet to pass between the drum and the stripper. The stripper can be'used without this operating mecha-. The illustrated form of the stripper is more effective and satisfactory than any known here- 5 tofore and, accordingly, it finds its greatest need under the most adverse stripping conditions such as those found in offset printing, for example. In offset printing the sheet never touches the type or plate roll but instead the ink is applied by the plate to a rubber blanket which in turn applies it to the sheet. There is, however, a considerable tendency for the sheet to stick to the rubber blanket, especially if the ink coverage at the leading end of the sheet is relatively heavy.
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US2211766A - Stripper for printing presses - Google Patents

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Stripping - PrintWiki

Many problems result from a poorly designed or completely absent pressure pad. A stripper plate, commonly known as a bridge stripper, is simply a plate mounted on the lower half of the tool that strips or pulls the metal from the cutting punches see Figure 1. Unlike a pressure pad or plate, it does not apply pressure to or hold down the metal being cut. Stripper plates usually are designed so the strip or metal can slide underneath the stripper. In most cases, the gap is about two times the material thickness. This additional gap often is necessary to allow stock or steel that is slightly bent or deformed to pass smoothly under the stripper plate. If the space is insufficient, poor feeding or jam ups can result.
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Become A Printing Film Stripper

Effective date : Year of fee payment : 4. Year of fee payment : 8.
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In prepress, the attaching of film negative s of a page—which can either be a single negative or the combination of one or more additional negatives exposed separately such as halftone s or other types of strip-in —on the back of a carrier sheet such as goldenrod. All the pages must be assembled on a single sheet of goldenrod in the correct imposition. Holes are then cut in the front of the carrier sheet over the image areas of the negative, and extraneous pinholes or other undesired images are blotted out with a thick red or black fluid or pen a process called opaquing. The process of stripping produces a flat which is then used to expose a plate prior to printing.
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