A liquid ink instrument, including: a pen body, a writing element mounted on the head of the pen body, an ink absorber mounted at the rear end of the writing element; a fiber ink feeder mounted in the body penetrates the ink absorbing body, the front end in contact with the writing element, the rear end communicated with the ink cartridge; at least one air-liquid balancer in the axial direction, the air-liquid balancer installed between the recited fiber ink feeder and the body; having one or more air-liquid exchange grooves penetrating through the outer circumferential surface; having an overflow groove on a radial surface of the air-liquid balancer, one end contacted to fiber ink feeder, and the other end communicating with air-liquid exchange groove; a gas-free fit or an interference fit adopted between the outer circumferential surface of the fiber ink feeder and the inner wall of the air-liquid balancer.

A liquid ink instrument, including: a pen body, a writing element mounted on the head of the pen body, an ink absorber mounted at the rear end of the writing element; a fiber ink feeder mounted in the body penetrates the ink absorbing body, the front end in contact with the writing element, the rear end communicated with the ink cartridge; at least one air-liquid balancer in the axial direction, the air-liquid balancer installed between the recited fiber ink feeder and the body; having one or more air-liquid exchange grooves penetrating through the outer circumferential surface; having an overflow groove on a radial surface of the air-liquid balancer, one end contacted to fiber ink feeder, and the other end communicating with air-liquid exchange groove; a gas-free fit or an interference fit adopted between the outer circumferential surface of the fiber ink feeder and the inner wall of the air-liquid balancer.

A compact system to mix and create color materials is disclosed. The present invention generally related to a color creative system, in which a particular system is capable to create a final mix color of materials from multiple material reservoirs and dispensing the mixed color of material via applicator of choices, all in a single system that can be as small as a pen or a person's thumb or larger as desired. The system is manually operated.

A compact system to mix and create color materials is disclosed. The present invention generally related to a color creative system, in which a particular system is capable to create a final mix color of materials from multiple material reservoirs and dispensing the mixed color of material via applicator of choices, all in a single system that can be as small as a pen or a person's thumb or larger as desired. The system is manually operated.

An applied liquid applicator for discharging applied liquid by turning of an operating portion provided to a barrel main body achieves improved filling efficiency of the applied liquid stored in the barrel main body with respect to an inside capacity of the barrel main body. The applied liquid is fed to the applicator portion through the first valve and the applied liquid feed path by turning the operating portion and sliding the piston in the front-back direction by use of the cam mechanism portion.

Disclosed is a direct-liquid writing instrument. Two ends of a penholder (1) are provided with a writing portion (11) and an ink storage portion (12) respectively. A nib (3) is partly inserted into the writing portion (11). A first baffle (41) and a second baffle (42) of an adjusting portion (4) are spaced apart so that an air barrier layer (43) is formed between the two baffles. The first baffle (41) is in contact with the ink (13) of the ink storage portion (12). The second baffle (42) is adjacent to the writing portion (11). An ink feeder (2) passes through the first baffle (41), the air barrier layer (43) and the second baffle (42). The first baffle (41) is provided with a first air-guiding channel (8). A second air-guiding channel (7) is provided between the second baffle (42) and the ink feeder (2). At least one gap is formed between the second air-guiding channel (7) and the ink feeder (2). The present direct-liquid writing instrument has the advantages as follows: 1) a large storage capacity, low ink residuals, and fluency in writing; 2) prevention to leakage even under significant variation of external temperature and pressure; 3) simple and stable in structure, resistant to pressure difference and temperature difference, and convenient for transportation; 4) high ink utilization rate, convenient for usage, and less waste and environment pollution.

Disclosed is a direct-liquid writing instrument. Two ends of a penholder (1) are provided with a writing portion (11) and an ink storage portion (12) respectively. A nib (3) is partly inserted into the writing portion (11). A first baffle (41) and a second baffle (42) of an adjusting portion (4) are spaced apart so that an air barrier layer (43) is formed between the two baffles. The first baffle (41) is in contact with the ink (13) of the ink storage portion (12). The second baffle (42) is adjacent to the writing portion (11). An ink feeder (2) passes through the first baffle (41), the air barrier layer (43) and the second baffle (42). The first baffle (41) is provided with a first air-guiding channel (8). A second air-guiding channel (7) is provided between the second baffle (42) and the ink feeder (2). At least one gap is formed between the second air-guiding channel (7) and the ink feeder (2). The present direct-liquid writing instrument has the advantages as follows: 1) a large storage capacity, low ink residuals, and fluency in writing; 2) prevention to leakage even under significant variation of external temperature and pressure; 3) simple and stable in structure, resistant to pressure difference and temperature difference, and convenient for transportation; 4) high ink utilization rate, convenient for usage, and less waste and environment pollution.

The present disclosure described herein, in general, describes a refillable writing instrument. The writing instrument may comprise one or more master reservoir, one or more slave reservoir, one or more slave reservoir gate and one or more master reservoir gate. The slave reservoir may have reducing cross-section, facilitating fluid flow towards nib of the writing instrument. The slave reservoir gate may comprise at least one of blocking element, blocking element seat, one or more gates, one or more covers and a combination thereof. The slave reservoir gate provides a connection between the master reservoir and the slave reservoir. Further, the blocking element rests over the blocking element seat due to gravity, restricting return flow of the fluid to the master reservoir. The master reservoir gate facilitates clean, easy and fast refilling of master reservoir using fluid container or fluid nozzle without the need of opening the master reservoir cap.

The present disclosure described herein, in general, describes a refillable writing instrument. The writing instrument may comprise one or more master reservoir, one or more slave reservoir, one or more slave reservoir gate and one or more master reservoir gate. The slave reservoir may have reducing cross-section, facilitating fluid flow towards nib of the writing instrument. The slave reservoir gate may comprise at least one of blocking element, blocking element seat, one or more gates, one or more covers and a combination thereof. The slave reservoir gate provides a connection between the master reservoir and the slave reservoir. Further, the blocking element rests over the blocking element seat due to gravity, restricting return flow of the fluid to the master reservoir. The master reservoir gate facilitates clean, easy and fast refilling of master reservoir using fluid container or fluid nozzle without the need of opening the master reservoir cap.

The subject disclosure relates to systems, methods, and apparatuses that perform self-erasing writings. In an aspect, the subject disclosure includes deploying a self-erasing material, onto a writing medium, from an apparatus comprising a tip element and a body element. In another aspect, the method includes removal of the self-erasing material on a time-released schedule based on an interaction between a set of environmental conditions and the self-erasing material.