Synthetic resin pen unit

Details Synthetic resin pen unit Synthetic resin pen unit

1987-10-15

1989-06-20

Pieprz, William

Coating implements with material supply

Material flows through porous tool

Wick feed from within reservoir to tool

400265, B43K 112, B43K 106, B43K 106

Patent

active

048405094

ABSTRACT:
A synthetic resin pen unit has a cylindrical outer annular member with inwardly extending bent and straight members. Each bent member has a base portion extending from the inner wall so that it is inclined with respect to a phantom line connecting the base of the bent member to the central axis of the cylindrical member. Ink grooves are formed between the inwardly extending members. The flexibility of the pan unit is a function of the percentage of bent members so that by proper selection and arrangement the pen characteristics can be optimized.

REFERENCES:
patent: 3627868 (1971-12-01), Funahashi
patent: 3933965 (1976-01-01), Gallone
patent: 4072430 (1978-02-01), Otsuka
patent: 4076428 (1978-02-01), Otake
patent: 4207013 (1980-01-01), Shimoishi

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