US 12,214,566 B2
Method for manufacturing a cushion and cushion
Heinrich Perk, Berlin (DE); Sarah McCarvill, Bremen (DE); Arne Hothan, Berlin (DE); Johann-Christoph Müller, Berlin (DE); and Frank Stefan Klingebiel, Duderstadt (DE)
Assigned to OTTO BOCK MOBILITY SOLUTIONS GMBH, Königsee-Rottenbach (DE)
Appl. No. 17/436,054
Filed by OTTO BOCK MOBILITY SOLUTIONS GMBH, Königsee-Rottenbach (DE)
PCT Filed Mar. 4, 2020, PCT No. PCT/EP2020/055661
§ 371(c)(1), (2) Date Sep. 2, 2021,
PCT Pub. No. WO2020/178318, PCT Pub. Date Sep. 10, 2020.
Claims priority of application No. 102019105425.7 (DE), filed on Mar. 4, 2019.
Prior Publication US 2022/0168985 A1, Jun. 2, 2022
Int. Cl. B29D 99/00 (2010.01); A47C 27/08 (2006.01); B29C 43/18 (2006.01); B29K 105/04 (2006.01)
CPC B29D 99/0092 (2013.01) [A47C 27/085 (2013.01); B29C 43/18 (2013.01); B29K 2105/04 (2013.01); B29K 2995/0005 (2013.01); B29K 2995/0046 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A method for producing a cushion for an orthopedic device, the cushion having more than one fluid-filled volume, wherein the fluid-filled volumes feature multiple chambers that are connected to each other via fluid connections, wherein the method comprises the following steps:
a) Compression molding of a three-dimensional first cushion component made of at least a first material, which is preferably elastic, in a mold that comprises an inner mold and an outer mold,
b) Bonding the first cushion component to at least a second cushion component in such a way that the fluid-filled volumes are created.