Abstract: A pen of the embouchure type having a pair of contiguous nibs for a writing tip comprising at least one pair of shaped lips forming a curvate capillary mouth and being flexible to permit a slit formed by the lips to vary in breadth with the pressure applied upon the tip to produce an ink track of corresponding breadth; such a pen formed of flexible material with strengthening structural formations; and such a pen in which a plurality of writing tips may be formed at the nib end; the multitipped nib end being formed either from a tube or tubes of flexible material or from a sheet or sheets of flexible material.

Abstract: A pen of improved writing range, differentiated primarily in that it has a flexible capillary mouth of continuous, annular, free shape which can be reformed by writing pressure into an embouchure slit in all axial writing positions. The writing quality of the pen is determined by the shape of the lips forming the embouchure. By this means, point curvature and point pressure may be utilized in different degrees to produce various forms of lines to fill a particular writing, drawing, or lettering need.