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

Claim 0:
1. A cap for closing an opening in a lid for a container wherein the cap comprises
a generally circular top wall having a top surface and a bottom surface, wherein the top surface comprises a centrally disposed recess configured to receive a tool to rotate the cap; and a truncated cone projection on the bottom surface having a first diameter proximate the bottom surface of the top wall and a second diameter distal from the top wall wherein the first diameter is larger than the second diameter and the same as or slightly larger than a diameter of the opening in the lid; the truncated cone projection comprising a screw thread on its outer surface configured to engage a complementary surface at the perimeter of the opening in the lid wherein the pitch of the screw thread is equal to or larger than a thickness of the lid at the opening; wherein the top wall has a diameter greater than the first diameter of the truncated cone projection.