Fountain Pen Inks:: Converters. Mini Piston Converter.Filling Systems; How They Work. This page revised May 1. This article describes and illustrates many of the systems that have been used. The illustrations are schematic in nature and do not represent any specific actual pen. Except for the Sheaffer Snorkel, all systems whose filling requires that you immerse part of the pen into the ink also require you to clean away the excess ink after filling. Each system’s filling instructions include a link to display a pop- up window containing cleaning instructions. The sac is corrugated somewhat like a bellows and is compressed along its length by a button at the end of the barrel. Immerse nib and part of section into ink. Press and release plunger four times, waiting three seconds at the top of each stroke. Remove pen from ink and clean. The sac is contained within a metal sac guard to which a spring- steel pressure bar is affixed. The barrel conceals the filler during use and must be removed to expose it for filling. Depressing the pressure bar with a thumb or finger squeezes the sac laterally. There is a hole at either the distal end or the side of the barrel; this hole permits equalization of air pressure between the pen’s interior and the outside environment. Immerse nib and part of shell into ink. Press and release pressure bar several times until no more bubbles appear, waiting three seconds after each squeeze. Some pens have instructions imprinted on the sac guard to indicate the number of squeezes required, but looking for bubbles is a more positive indication. Squeeze three or four drops back into the bottle and release the pressure bar in order to suck excess ink from the nib area into the collector. Blowing air into the pen through a hole at the end of the barrel squeezes the sac. Cover end of barrel with your mouth and blow gently but with sufficient pressure to deflate sac. How to Fill a Converter Style Fountain Pen. Easy step by step instructions on filling a converter style fountain pen. Converter; How to Clean a Piston Fountain Pen.
Remove your mouth from the barrel. Deflate sac again, wait five seconds longer. Remove pen from ink and clean. Immerse nib and part of section into ink. Squeeze and release bulb several times until no more bubbles appear, waiting three seconds after each squeeze. Remove pen from ink and clean. Instead, the barrel unscrews to reveal a clear reservoir with the bulb at its end.). Design: Mechanical ink- sac squeeze. A button at the end of the barrel bends a spring- metal pressure bar to squeeze the sac laterally. Immerse nib and part of section into ink. Press button firmly until it stops, then release. Press and release button again, wait five seconds longer. Remove pen from ink and clean. An internal reservoir (the capillary cell) contains a sheet of plastic that has been perforated, embossed with a 3- D pattern resembling safety tread, and rolled up. The holes allow ink to ooze between the rolled- up layers, and the embossed pattern maintains space between the layers. In the center, running the entire length of the capillary cell, is the feed. The cell’s housing is metal, with a Teflon coating to repel ink easily. When the pen is not being filled, a spring- loaded valve in the back end of the barrel seals the end of the cell. Immerse end of capillary cell into ink. Remove pen from ink and clean. A small nipple, usually of metal, is placed at the back of the section assembly to pierce a hole in the end of a pre- filled sealed removable cartridge. A converter that includes the reservoir and a filling system can be installed in place of a cartridge. The most common converter design uses the piston system. Remove cartridge or converter. Install converter or new cartridge. If you have installed a converter, fill pen as indicated. For the Namiki/Pilot Vanishing Point, you must remove the back half of the pen and then remove the sliding nib carrier assembly from the front half. When filling a Vanishing Point from a bottle, immerse the entire nib and a short portion of the carrier itself. There are three variations of the Chilton system. In the first version, the barrel slides on an airtight seal over a metal tube that is fixed to the section. A small hole is at the back end of the barrel. When the barrel is extended, the hole covered, and the barrel returned to its rest position, air is allowed into the barrel through the hole and then compressed, squeezing the sac. When the hole is uncovered, the trapped air is released and the sac draws in ink by resuming its normal shape. In the second version, the barrel is fixed and the metal tube slides back and forth within the barrel. A blind cap is attached to the tube to give the user a suitable “knob” to operate. This design is functionally the same as that of Sheaffer’s Touchdown models. The third version resembles the second but has no hole in the blind cap. Instead, a valve opens and closes a concealed air passage. Operation is the same as for the second version except that there is no need for the user to create and then release a seal by covering and uncovering a hole; pressure is released automatically as the aluminum tube nears the end of its travel. The third version was not successful because the valve proved unreliable. The first version is illustrated here. Immerse nib and part of section into ink. Cover hole and press down smoothly to return barrel to its rest position. Remove pen from ink and clean. Third version: Same as second version except that there is no hole for you to cover and uncover. A metal pressure bar, located beneath a slotted hole in the side of the barrel, squeezes the sac laterally when depressed by insertion of a coin or similar object into the hole. Some makers of coin fillers included their own “coin” discs with their pens. Immerse the nib and part of the section into ink. Depress pressure bar again, wait five seconds longer. Remove pen from ink and clean. A metal pressure bar, attached to a metal crescent protruding through a slotted hole in the side of the barrel, squeezes the sac laterally. A lock ring rotates around the barrel. Rotated one way, the ring “locks” the crescent against being depressed; rotated the other way, the ring “unlocks” the crescent to be depressed. Immerse nib and part of section into ink. Press and release crescent again, wait five seconds longer. Remove pen from ink and clean. Rotate lock ring to lock crescent. A plunger draws in ink when raised and expels air through the breather tube when depressed. The downstroke expels air instead of ink because the air in the barrel can travel down the breather tube more easily than ink can flow down the feed channels. The “piston head” is only a guide and a retainer to keep the plunger from being pulled out of the barrel, and it does not seal against the barrel. In order to facilitate the flow of ink from one side of the head to the other, the head in some pens is relieved to give it a square shape, while in other pens there are holes in the plunger shaft near the head. Immerse nib and part of section in ink. Pull the knob out to extend the plunger, drawing ink into pen. Press knob down, smoothly and fairly rapidly, to expel air. Repeat extending and pressing the knob until no air bubbles appear during the downstroke. Remove pen from ink, screw the knob down, and clean. Most eyedropper fillers unscrew, usually at the joint between section and barrel, and ink is dripped into the pen with an eyedropper. In “safety” pens with retractable nibs, the ink is dripped into the opening that is left by the retracted nib. Unscrew section assembly from barrel (upper image) and set it aside on a piece of waste paper. Use an eyedropper to fill barrel with ink to about 1. Replace section assembly, being sure to screw it tightly so that it will not leak. Clean off any ink that has gotten on exterior surfaces. Retracting pens: Hold pen nib uppermost. Retract nib (lower image, illustrated by Moore’s Non- Leakable). Use an eyedropper to fill barrel with ink just until you can see ink beginning to fill the opening. Clean off any ink that has gotten on exterior surfaces. A metal pressure bar, located beneath a slotted hole in the side of the barrel, squeezes the sac laterally. A lever shaped like the letter P (resembling a hatchet) is mounted in the slot, with its pivot located at the middle of the slot. At rest, the “tab” of the P is concealed in the barrel, toward the end. Lifting the lever and swinging it through a half circle toward the nib reveals the tab, which provides a “button” that the user pushes to press the lever through the slot and against the pressure bar. Immerse nib and part of section into ink. Press and release lever again, wait five seconds longer. Remove pen from ink and clean. Restore lever to rest position. A metal pressure bar, attached to a metal hump protruding through a slotted hole in the side of the barrel, squeezes the sac laterally. In some versions (variations of the Crescent filler, sufficiently different to avoid patent infringement), a lock ring rotates around the barrel. Other versions have a knob at the distal end of the barrel. Rotated one way, the ring or knob “locks” the hump against being depressed; rotated the other way, the ring or knob “unlocks” the hump to be depressed. Immerse nib and part of section into ink. Press and release hump again, wait five seconds longer. Remove pen from ink and clean. Rotate lock ring or knob to lock hump. A metal pressure bar, located beneath a slotted hole in the side of the barrel, squeezes the bulb laterally. A two- piece jointed pivoting lever is mounted in the slot. Lifting the lever’s longer end raises the first arm of the lever to 9. Lifting further depresses the other end of the second arm to push against the pressure bar. Immerse nib and part of section into ink. Push lever further until it stops, and release. Repeat until no more bubbles appear. Remove pen from ink and clean. Return lever to closed position. A metal pressure bar, located beneath a slotted hole in the side of the barrel, squeezes the sac laterally. A pivoting lever is mounted in the slot, with its pivot about 1. Lifting the lever’s longer end depresses the shorter end to push against the pressure bar.
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