Mold for making canister lid
AssigneeDeRoyal Industries, Inc.
InventorsWalter C. Cowart, Randall Harris
Life of this patent
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Abstract
A mold for forming a lid having a cap connected to the lid by a tether. The mold has mold features for forming a lid body having a peripheral edge, a cap, a tether connecting the cap to the lid body, and a tear zone. The mold feature for forming the tear zone includes an elongate ridge located between the mold feature for the tether and the mold feature for the lid body for providing a reduced thickness flow path proximate the ridge that connects between the mold feature for forming the lid body and the tether.
Claims1
A mold for forming a lid having a cap connected to the lid by a tether, the mold having mold features for forming a lid body having a peripheral edge, a cap, a tether connecting the cap to the lid body, and a tear zone, the mold feature for forming the tear zone comprising an elongate ridge located between the mold feature for the tether and the mold feature for the lid body for providing a reduced thickness flow path proximate the ridge that connects between the mold feature for forming the lid body and the tether.
Dependencies are inferred from the claim text.