Back to results
US 4,782,968 AGranted
Composite closure and method of manufacture
AssigneeAnchor Hocking Corporation
InventorThomas H. Hayes
Life of this patent
Estimating the term…
Abstract
An improved composite closure is described which has a cover portion which is at least partially plastic and a molded plastic ring portion. The molded ring also permits the cover to be inserted from the top of the ring rather than just upwardly over the ring threads and permits a plastic to plastic engagement or attachment of cover and ring.
Claims5
In a composite closure for a container having a laminated plastic cover portion fitted into a ring portion and having container engaging members on the radially inner surface of said ring, the improvement comprising:
- said ring comprising a cylindrical plastic member with a cover receiving groove positioned downwardly from the ring top and engaging the outer edge only of the cover portion,
- the said ring engaging an edge portion of said cover plastic,
- said laminated cover portion comprising a plurality plastic layers of generally equal and substantial thickness, and
- means adhering the cover portion to the said ring.
1 more element
Dependencies are inferred from the claim text.