Title:
GREASE COMPOSITION FOR BALL POINT PEN
Document Type and Number:
Japanese Patent JPS581772
Kind Code:
A
Abstract:
Grease compositions which are used as ink follower in ball pen refills or cartridges where they are disposed on the back of the ink column for providing positive pressure or weight behind the ink comprise a major amount of base oil gelled to a grease with a lower amount of water-proofed clay, and from 5% to 20% by weight, based on the total weight of composition, of a filler comprising a non-corrosive and water insoluble pigment, said composition having a consistency such that the unworked penetration after 24 hours is between 285 and 305 tenths of a millimeter when measured by the ASTM D.217-48 method.
Inventors:
GIYUI KAMIIRU FUAN DOONE
Application Number:
JP9465782A
Publication Date:
January 07, 1983
Filing Date:
June 02, 1982
Export Citation:
Assignee:
LABOFINA SA
International Classes:
C09K3/00; C10M169/00; B43K7/02; (IPC1-7): B43K7/02; C09K3/00
Attorney, Agent or Firm:
Akashi Masatake
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