Patent ID: 11905083
Assignee: nan
Field: Handling (Mechanical engineering)
Classification: CPC B | IPC B

Claim 16:
17. The kit of claim 14 wherein
the cylindrical projection of the first cap further comprises a central cylindrical recess defining an inner surface of the cylindrical projection wherein the inner surface comprises a third screw thread; and
the second cap further comprises a second cylindrical projection centrally disposed on the bottom surface of the top wall wherein the outer surface of the second cylindrical projection is spaced apart from the inner surface of the sidewall and comprises a fourth screw thread;
wherein the second cap is configured to be releasably engaged to the first cap by inserting the second cylindrical projection of the second cap into the central cylindrical recess of the first cap and engaging the fourth screw thread on the outer surface of the second cylindrical projection to the third screw thread on the inner surface of the cylindrical recess of the first cap.