Rupturable sealing element within an ink reservoir cartridge

Details Rupturable sealing element within an ink reservoir cartridge Rupturable sealing element within an ink reservoir cartridge

1976-12-14

1978-08-01

Pellegrino, Stephen C.

Coating implements with material supply

Including rupturable means or sealed-cartridge receiver

Sealed-cartridge receiver with flow-establishing means

225 2, B43K 2302

Patent

active

041039998

ABSTRACT:
In capillary writing pens of the type having a scribing point and a replaceable ink cartridge, a method of manufacturing a rupturable sealing element for the cartridge, such that minimal pressure is required to be applied to rupture, while ensuring secure sealing of the ink prior to the use of the cartridge.

REFERENCES:
patent: 2911664 (1959-11-01), Zecchini
patent: 2961999 (1960-11-01), Torchi
patent: 4005808 (1977-02-01), Insolio

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