Patent ID: 11970056
Assignee: MAGNA ENERGY STORAGE SYSTEMS GESMBH
Field: Transport (Mechanical engineering)
Classification: CPC B | IPC B

Claim 18:
19. A plastic tank for a motor vehicle, the plastic tank comprising:
a container wall having an opening surrounded by an edge of the container wall;
a removable cover member operable to close and open the opening;
a stiffening ring member, embedded into the edge of the container wall, and operable to directly or indirectly support the cover member when the opening is closed;
a welding pad member, arranged in the container wall, and operable to fasten the stiffening ring member to the container wall; and
a bayonet ring member, retained by the stiffening ring member, and operable to support the cover member when the opening is closed and facilitate removal of the cover member when the opening is opened.