US 12,312,112 B2
Apparatus for the manufacture of a filter for disposable capsules for the preparation of beverages
Massimo Scrivani, Casteggio (IT)
Assigned to Rychiger AG, (CH)
Appl. No. 18/025,733
Filed by Rychiger AG, Steffisburg (CH)
PCT Filed Sep. 15, 2021, PCT No. PCT/EP2021/075357
§ 371(c)(1), (2) Date Mar. 10, 2023,
PCT Pub. No. WO2022/058366, PCT Pub. Date Mar. 24, 2022.
Claims priority of application No. 01153/20 (CH), filed on Sep. 15, 2020; and application No. 102020000021760 (IT), filed on Sep. 15, 2020.
Prior Publication US 2023/0356869 A1, Nov. 9, 2023
Int. Cl. B65B 29/02 (2006.01); B65B 43/50 (2006.01); B65B 47/06 (2006.01); B65B 61/20 (2006.01)
CPC B65B 29/022 (2017.08) [B65B 43/50 (2013.01); B65B 47/06 (2013.01); B65B 61/20 (2013.01)] 13 Claims
OG exemplary drawing
 
1. An apparatus for the manufacture of a filter for disposable capsules for the preparation of beverages from a flat disc made of filtering material, comprising:
a forming device for forming said flat disc to conform said flat disc in a cup shape with a pleating on a lateral perimeter surface thereof,
a transfer device for transferring said flat disc to said forming device, and
an insertion means for inserting said pleated cup inside a waterproof cup, comprising a retaining device for continuously retaining said flat disc in a predetermined position at least in said transfer device and in said forming device and during the transfer thereof between said transfer device and said forming device.