CPC A47J 19/025 (2013.01) [A23N 1/02 (2013.01); A47J 19/06 (2013.01)] | 23 Claims |
1. A separable screw comprising:
a first module includes a plurality of bars separated by a plurality of slits; and
a second module formed with a plurality of ribs inserted into a corresponding plurality of slits of the first module;
wherein the first module and the second module are detachably coupled, and the plurality of ribs is inserted into the corresponding plurality of slits such that a gap is formed between each of the plurality of ribs and the corresponding plurality of slits when the second module is inserted into and coupled with the first module, and
wherein at least one spiral protrusion is formed on at least one of the plurality of bars or at least one of the plurality of ribs.
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