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

Claim 0:
1. A plastic tank for a motor vehicle, the plastic tank comprising:
a container wall composed of plastic;
an opening arranged in the container wall;
a removable cover member operable to close and open the opening; and
a stiffening ring member, composed of an injection-moulded plastic, embedded into an edge of the container wall that surrounds the opening, the stiffening ring member being operable to directly or indirectly support the cover member when the opening is closed;
a welding pad member, fixed in the container wall, and operable to fasten at least a portion of the stiffening ring member to the container wall; and
a threaded 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.