Patent ID: 11951709
Assignee: NATIONAL CHAIN COMPANY
Field: Surface technology, coating (Chemistry)
Classification: CPC B  E  C | IPC B  C

Claim 0:
1. A canister structure that is used in the PCD diamond industry for the purpose of forming a PCD drill bit within the canister structure, the canister structure comprised of a cup shaped structure that includes a cylindrical sidewall, and integral therewith, a base; diamond particles and carbide being disposed within the cup shaped structure in order to form the final PCD drill bit; throughout the cup shaped structure constructing the cup shaped structure by mechanical bonding of respective metal layers that are comprised of a first metal layer and a second metal layer to form a sheet stock, the sheet stock being formed into the cup shaped canister construction, wherein the first metal layer comprises tantalum and the second metal layer comprises niobium, molybdenum, or steel; wherein the tantalum layer is an inner layer of the cup shaped structure and the second layer is an outer layer of the cup shaped structure and wherein the canister consists of only the respective first and second metal layers.