The present invention relates to a method for producing a cushioning device (10a; 10b; 10c; 10d; 10e) for a breathing apparatus (100) for a breathing apparatus (1000), wherein the cushioning apparatus (10a; 10b; 10c; 10d) has a closed cushion core shell (10a). 20) and a cushion core (30) configured in the cushion core shell (20), characterized by the following steps: injection molding a hollow profile (21), introducing a cushion core material into the hollow profile (21) to form the cushion core (30) in the hollow profile (21 ), and closing the hollow profile (21) to make the closed cushion core shell (20). The invention further relates to a cushioning device (10a; 10b; 10c; 10d; 10e) for a carrying belt system (100) for a breathing apparatus (1000), comprising a closed cushion core shell (20) and a cushion core (30) arranged in the cushion core shell (20). , wherein the cushion core shell is designed seamlessly and at least in sections as an injection molded component. In addition, the invention relates to a carrying strap system and a respirator with the carrying strap system, wherein the carrying strap system comprises the cushioning device (10a, 10b, 10c, 10d, 10e) according to the invention.
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