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US 11,077,605 B2Granted
Tube
AssigneeFUJIFILM Corporation
InventorsMitsuru Iwata, Kouji Tonohara
Life of this patent
Estimating the term…
Abstract
The tube is stretchable. The tube is stretched by applying tension in a longitudinal direction. The tube returns to its short state by releasing the above-described tension applied in the longitudinal direction. A plurality of protrusions are formed on an inner surface of the tube. Each of the plurality of protrusions extends in a circumferential direction. The plurality of protrusions are arranged side by side in the longitudinal direction of the tube. A pitch of the protrusions is less than or equal to 1.5 μm.
Claims3
A stretchable tube,
- wherein a plurality of protrusions extending in a circumferential direction are formed side by side on an inner surface in a longitudinal direction, and
- wherein a pitch of the protrusions is less than or equal to 1.5 μm,
- wherein an outer circumferential portion made of polysiloxane,
- wherein the protrusions are formed of a silicon compound having a larger number of oxygen atoms than polysiloxane.
1 more element
Dependencies are inferred from the claim text.