Patent ID: 10779918

Abstract:
Provided is an interdental cleaning tool which has a simple configuration and can effectively prevent an occurrence of breakage of a core base portion when inserting the interdental cleaning tool into an interdental space or during interdental cleaning without reducing productivity of the interdental cleaning tool. An interdental cleaning tool (1) includes: a base portion (10) made of a synthetic resin; and a soft portion (20) made of an elastomer, the base portion (10) having a handle base portion (11) and a core base portion (12), the soft portion (20) having at least a cleaning soft portion (21) that covers the core base portion (12), in which two or more cleaning portion recesses (14) which penetrate the cleaning soft portion (21) and form core base portion recesses in the core base portion (12) are formed on each of a first side portion and second side portion of a cleaning portion (2) at an interval in an axial direction of the cleaning portion (2), and at least one set of two cleaning portion recesses (14) out of plural sets of cleaning portion recesses (14) paired with each other between the first side portion and the second side portion are formed at an interval in the axial direction of the cleaning portion (2) so as not to overlap each other in a circumferential direction of the cleaning portion (2).