US 11,981,104 B2
Device for manually or mechanically producing a tubular packaging material
Bastian Schalk, Detmold (DE); and Vitali Krebs, Ahlen (DE)
Assigned to Sprick GmbH Bielefelder Papier-und Wellpappenwerke & Co., Bielefeld (DE)
Filed by Sprick GmbH Bielefelder Papier-und Wellpappenwerke & Co., Bielefeld (DE)
Filed on May 22, 2020, as Appl. No. 16/881,941.
Application 16/881,941 is a continuation of application No. PCT/EP2018/078784, filed on Oct. 19, 2018.
Claims priority of application No. 102017010909.5 (DE), filed on Nov. 24, 2017.
Prior Publication US 2020/0282687 A1, Sep. 10, 2020
Int. Cl. B31D 5/00 (2017.01); B65H 16/00 (2006.01); B65H 16/02 (2006.01)
CPC B31D 5/0069 (2013.01) [B65H 16/005 (2013.01); B65H 16/028 (2013.01); B31D 2205/0029 (2013.01); B31D 2205/0047 (2013.01); B31D 2205/0058 (2013.01); B31D 2205/007 (2013.01); B31D 2205/0082 (2013.01); B65H 2402/43 (2013.01); B65H 2701/1944 (2013.01)] 21 Claims
OG exemplary drawing
 
1. A device for manually or mechanically producing a tubular packaging material of a paper web wound to form a roll, which forms an internal cavity, from which the paper web can be drawn to form the packaging material, the device comprising:
a receptacle for at least partially circumferentially encompassing the roll; and
an axial holder for holding an end face of the roll, wherein the axial holder has a wall, in which a dispensing opening for dispensing the packaging material in an axial dispensing direction (A) is formed, wherein the wall:
has an inner guide contour, which tapers in a funnel-like manner in the axial dispensing direction (A) from the receptacle to the dispensing opening, and
is provided with:
at least one rear axial recess at a rear end of the axial holder in the axial dispensing direction (A), and
at least one front axial recess at a front end of the axial holder in the axial dispensing direction (A), which extends at least 10 millimeters in the axial dispensing direction (A), starting at the front end of the axial holder.