Mask shell pipe connector

Abstract

1. The name of this design product: pipe joint for mask shell. 2. Purpose of the product of this design: The overall purpose is to be used as a cover accessory for an oxygen mask, and the local purpose is to be used to connect to the gas pipeline. 3. The design key point of this appearance design product lies in the shape. 4. The picture or photo that best illustrates the key points of the design: Design 1 Stereoscopic drawing 2. 5. Designate Design 1 as the base design. 6. Other circumstances that require explanation Other explanations: This design is a partial design. Designs 1‑4 are partial designs of the products for which protection is sought. The parts indicated by dotted lines in the figures do not constitute part of the designs for which protection is sought. In the top view of Design 1, parts Y and Z are transparent. In the top view of Design 2, parts X and W are transparent. In the top view of Design 3, parts U and V are transparent. In the top view of Design 4, parts S and T are transparent. The double-dotted dash line in the view is the dividing line between the part for which protection is sought and other parts.

Images