Abstract: The folding pocket device for a buckle folding machine includes a folding pocket having a feed-in aperture enabling a sheet to run therethrough in a running-in direction into a pocket space of the folding pocket. A sheet stop device includes a sheet stop extending essentially transversely to the running-in direction in the pocket space, which is displaceable in the running-in direction and in the opposite direction. A sheet directing device includes a diverting device, which is displaceable from a clearance position in which the diverting device opens up the way to the feed-in aperture into the folding pocket to a diverting position in which the diverting device blocks the feed-in aperture in order to divert a sheet. In order to achieve quick switching from the clearance position to the diverting position, the diverting device can be displaced from the clearance position to the diverting position by the sheet stop when the sheet stop is displaced opposite to the running-in direction.

Abstract: The folding pocket device for a buckle folding machine comprises a folding pocket (11) having a feed-in aperture (25) enabling a sheet to run therethrough in a running-in direction (ER) into a pocket space (24) of the folding pocket (11). A sheet stop means includes a sheet stop (40) extending essentially transversely to the running-in direction (ER) in the pocket space (24), which is displaceable in the running-in direction (ER) and in the opposite direction. A sheet directing means (30) includes a diverting means (35), which is displaceable from a clearance position in which the diverting means (35) opens up the way to the feed-in aperture (25) into the folding pocket (11) to a diverting position in which the diverting means (35) blocks the feed-in aperture (25) in order to divert a sheet.

Abstract: A buckle folding machine (10) includes an operator facing side wall (14) and a side wall (16) remote from an operator, the side walls (14, 16) being arranged at a distance from each other and at least one lower folding pocket (22, 24) being arranged between the side walls (14, 16).

Abstract: A buckle folding machine (10) includes an operator facing side wall (14) and a side wall (16) remote from an operator, the side walls (14, 16) being arranged at a distance from each other and at least one lower folding pocket (22, 24) being arranged between the side walls (14, 16).

Abstract: A method and apparatus for producing expanded clay or expanded shale finished product in a straight-line continuous rotary tube kiln provided with charging and discharge ends at respectively opposite ends of the kiln, the kiln being divided into a preheating zone and an expansion zone following one another in the direction from the charging end to the discharge end, the preheating zone being more proximate to the charging end and the expansion zone being more proximate to the discharge end, a stationary burner disposed in the vicinity of the discharge end and a mantle burner which rotates together with the kiln and which is located to heat the preheating zone.

Abstract: In a process and apparatus for producing an expanded particulate product in a rotary tubular kiln presenting an essentially linear product conveying and treating region free of lateral offset, in which a burner at the discharge end of the kiln operates to introduce heat into the conveying and treating region, raw material is introduced into the conveying and treating region via the charging end and is conveyed through a preheating zone following the charging end in order to dry and heat that material, the material is then conveyed into an expansion zone following and preheating zone to produce the expanded product, and the expanded product is discharged via the discharge end, additional heat is supplied to the raw material by means of at least one additional burner, preferably a mantle burner, located in the conveying and treating region between the first-mentioned burner and the charging end.