US 11,938,750 B2
Refillable free ink writing instrument provided with a removable tip
Charlotte Delbes, Clichy (FR); and Etienne Roudaut, Clichy (FR)
Assigned to SOCIÉTÉ BIC, Clichy (FR)
Appl. No. 17/634,630
Filed by SOCIETE BIC, Clichy (FR)
PCT Filed Oct. 9, 2020, PCT No. PCT/EP2020/078418
§ 371(c)(1), (2) Date Feb. 11, 2022,
PCT Pub. No. WO2021/069667, PCT Pub. Date Apr. 15, 2021.
Claims priority of application No. 19306317 (EP), filed on Oct. 9, 2019.
Prior Publication US 2022/0348035 A1, Nov. 3, 2022
Int. Cl. B43K 5/02 (2006.01); B43K 13/00 (2006.01); B43K 23/12 (2006.01)
CPC B43K 5/02 (2013.01) [B43K 13/005 (2013.01); B43K 23/12 (2013.01)] 20 Claims
OG exemplary drawing
 
1. A refillable free ink writing instrument comprising a body having a rear end, a front end and an ink reservoir disposed between the rear end and the front end, a writing tip mounted on the front end, the writing tip having a portion in fluid communication with the ink reservoir, the writing tip being removable from the body for refill, and wherein:
the writing instrument further comprises a removable cap, the removable cap being configured to allow feeding of a refill into the reservoir when the writing tip is removed, and
the removable cap comprises a funnel portion designed to feed a refill into the reservoir when the writing tip is removed.