子分类：
| 序号 | 专利名 | 申请号 | 申请日 | 公开（公告）号 | 公开（公告）日 | 发明人 |
|---|---|---|---|---|---|---|
| 21 | Apparatus for transversely severing or transversely perforating webs of material | US904311 | 1978-05-09 | US4226149A | 1980-10-07 | Richard Feldkamper; Klaus Ginschel |
| A machine for cutting or perforating webs of materials comprises a frame, a splined first shaft carrying a plurality of angularly spaced first tools and rotatable in the frame, a second shaft rotatable in the frame and parallel to the first shaft, supporting plates carried by the second shaft, a third shaft parallel to the first and second shafts and carrying a plurality of angularly spaced second tools for co-operating with the first tools, the third shaft being rotatable in the supporting plates eccentrically to the second shaft, a spur gear fixed to the third shaft, an intermediate gear in mesh with the spur gear loosely rotatable on one of the supporting plates, a central gear in mesh with the intermediate gear and mounted on the second shaft for rotation relatively to the supporting plates, a lever fixed to the central gear, an entrainment bolt on the lever selectively insertable in one of a plurality of holes which are provided in a swing arm at the same angular spacing as the first tools, the swing arm being rotatable on the second shaft and being selectively connectible by way of a crank rod either to a fixed pin or to a crank pin, an idler gear in the frame and carrying the crank pin, and a further gear secured to the second shaft and in mesh with the idler gear. | ||||||
| 22 | Arrangement for the processing of a moving material web | US31331 | 1979-04-18 | US4217085A | 1980-08-12 | Per-Allan Ljungberg; Lennart Nilsson |
| An arrangement for the processing of a moving material web, in particular for the creasing or punching of an extruded material web made of plastics. In the manufacture of such material webs a number of operational steps take place directly in conjunction with the manufacture of the web itself, and the fact that for reasons of quality as well as of manufacturing technique the extrusion process cannot be interrupted makes it necessary to attend to any changes in the crease pattern etc. during operation. The arrangement in accordance with the invention makes this possible, in that the material web can be brought into contact optionally with different pairs of processing rollers with the help of a pair of counter-rollers supported in a swivelling cradle, any pair of unused rollers being freely exchangeable against a pair of rollers with a different creasing pattern. The arrangement permits the processing of both sides of the web and the rapid exchange of different processing patterns during continuing production, which is particularly advantageous in the processing of material webs for the manufacture of packing containers. | ||||||
| 23 | Automatic compensating register | US789851 | 1977-04-22 | US4098173A | 1978-07-04 | James L. Schauman |
| An apparatus is provided for effecting automatic adjustments of the rotational position of a slotting head of a conventional container blank slotting machine, as required to accommodate the machine to handle container blanks of a length in excess of the maximum length of blank for which the machine was originally designed. | ||||||
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