Closure cap for a writing instrument

Details Closure cap for a writing instrument Closure cap for a writing instrument

1981-01-14

1983-04-19

Bratlie, Steven A.

Coating implements with material supply

Including ball, roller or endless-belt tool

Ball

401202, 401243, 401246, 401247, B43K 900

Patent

active

043804039

ABSTRACT:
A closure cap for a writing instrument such as a ink pen and the like has an outer generally cylindrical cap housing within which is a sealing sleeve having a closed end to close one end of the cap housing. A slide sleeve of a hard rigid material is retained against axial movement within the sealing sleeve. A closure member of a soft resilient durable material is axially slideable within the slide sleeve and is acted upon by spring means which may include a helical spring or axially extending resilient strips.

REFERENCES:
patent: 1075631 (1913-10-01), Dods
patent: 2396771 (1946-03-01), Brinson, Sr.
patent: 3502417 (1970-03-01), Hartmann
patent: 3802788 (1974-04-01), Danjczek

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