DE202007005072U1 - Writing, drawing and / or marking devices - Google Patents

Abstract

Writing, drawing and / or marking device, wherein the device has at least one shaft, a liquid storage and a Schreibdocht used therein, wherein between Schreibdocht and liquid storage at least one point of contact or contact area is formed for conducting the writing medium
characterized,
the at least one liquid reservoir (3), on the side facing the writing wick (2), has a region with a seal (31),
in that the region with sealing (31) encompasses the entire free end face (34) of the liquid reservoir (3)
and that the region with sealing (31) extends at least into a partial region of the lateral surface (33).

Description

The The invention relates to writing, drawing and / or marking devices, as well as a memory for writing, Drawing and / or marking devices.

liquid storage and writing, drawing and / or marking devices with liquid storage are in principle known.

such equipment have at least one shaft, a liquid reservoir inserted therein and a writing wick.

Around featured smear enabled equipment It requires the targeted selection of the individual components. For example, the component liquid storage needs to be different Ink systems, the criteria being ink flow, Packing density, compatibility and above all, the spill and ink retention behavior considered place. These are criteria to a so-called drop test, flip-test and To be able to assess storage test with the tip down. in this connection It should be noted that even small variations in the quality of a Store too completely different behavior of ink flow and retention capacity leads.

you speaks of the so-called flip-test, if a device, for example, at the The writing tip is held away from the side and the tip is around pivoted this support point in rapid movements back and forth which causes the ink in the memory of the device to be in the tip area is concentrated.

Is known for example from the U.S. Patent 3,141,187 and the DE-PS 24 25 500 a felt-tip pen, which consists essentially of shaft, wick, and memory. The memory used in the shaft is in fluid communication with the wick.

adversely it is with such constructed fiber pens, that this at so-called flip or drop test on the air balance and / or Wick uncontrollably release ink, thereby inevitably polluting of the environment. Here it is to be regarded as almost insignificant which material builds up the capillary fiber or sintered storage are.

Next is from the JP-GM / AS 61-1 3357 a fiber writing instrument known in which to prevent by a suitable structural design of the shaft geometry in the tip region such uncontrolled dripping on writing tip or located in the shaft front part ventilation duct.

adversely is in such an embodiment that it is a costly tip-side shaft design is, although a kind of collection tray which, however, increases with increasing collection volume at the expense of Size of the liquid reservoir used goes.

task The invention is therefore a memory for writing, drawing and / or Marking as well as writing, drawing and / or marking devices with the such liquid stores are equipped, which do not have the disadvantages mentioned above and guarantee a high leakage safety at any time and which are configured such that storage parameters and quality fluctuations only a minor importance must be assigned. Further It is an object of the invention to provide a memory for devices that a universal Use guaranteed and yet reasonably priced can be produced.

Is solved the task in that a seal of the liquid reservoir is formed on the writing tip associated page. The Sealing of the liquid reservoir is penetrated by the writing wick to form a liquid handling system.

The Sealant can be used as membrane, foil and / or dimensionally stable catch basin be educated. In the case of a membrane, for example, it can also to act a semipermeable membrane.

in the In the case of a semipermeable membrane, the fluid reservoir may even open his entire surface be sealed, because at any time air into the interior of the liquid storage can get, and the liquid Medium over the liquid control system described above can be delivered.

in this connection it is irrelevant as such a seal on the liquid storage is applied or applied. The seal can be attached, shrunk, glued or over be applied a dipping process. When diving seal becomes the end of the fluid reservoir in a liquid Medium, possibly introduced molten bath, wherein after removal of the memory from the bath a layer is formed as a seal and, if necessary cures.

A common feature of the listed types of sealing is that they are formed liquid-retaining or liquid-tight, that is, a liquid medium is not discharged uncontrollably on the liquid-storage side associated with the writing tip. The seal forms a kind of catch basin for the collection of the liquid medium. The dimension, ie the size or the volume of the formed by the sealing catch basin can be tuned to the stored in the liquid storage amount.

It has proved to be particularly advantageous that when used of the inventively designed liquid store a substantial time savings in its selection in the course of development activity goes hand in hand, since due to the design of the invention a essential greater development latitude for inks, liquid storage and / or writing utensil shaft given is. It has turned out to be particularly advantageous that when using a memory according to the invention a higher amount of ink can be metered, which can be measured in a significantly longer write length.

moreover can specifies the packing densities of variable memory according to the invention become.

to better representation of the solution according to the invention is the following figure added.

The figure shows writing, drawing and marking device with inventive liquid storage, consisting of a shaft 1 , a writing wick 2 , an indexing cap 11 and a liquid storage 3 ,

The shaft 1 has a ventilation hole 13 and a passage bob 12 for the writing wick 2 on. The writing wick 2 stands with the liquid storage 3 above the writing tip 21 opposite wick end 22 in conjunction, whereby the flowable application medium from the liquid storage 3 through the writing wick 2 can be transported to the writing tip.

The liquid storage 3 indicates at the writing tip facing end face 34 a seal 31 which is formed trough-shaped and from a front-side seal 311 and a jacket seal 312 the lateral surface 33 consists. The frontal sealing 311 has a contact or passage opening 32 for the writing wick. Decisive in this embodiment is that the outer surface 23 of the spelled 2 from the seal 31 is tightly enclosed, so that in this area collected fluid does not drip from the memory and the vent hole 13 exits the device unhindered and pollutes its environment. An excess of ink or ink supersaturation in the region near the tip of the liquid reservoir can occur, for example, when the device flips, shakes or hurls.

The The invention relates to a writing, drawing and / or marking device, wherein the device at least one shaft, a liquid reservoir inserted therein and a Schreibdocht, wherein between Schreibdocht and Liquid storage at least a point of contact or touch area is designed to conduct the writing medium, wherein the at least a liquid storage, on the writing wick facing side, an area with sealing having the area with sealing the entire free end face of the liquid storage and wherein the sealing area is at least one Part of the lateral surface extends formed.

Of the at least in a partial region of the lateral surface formed with area Shell seal with the frontal seal as contiguous and / or one-piece seal is formed. Here is the area with seal as a surface seal educated.

Of the liquid storage consists of fiber material, sponge material, plastic balls and / or from sintered plastic balls.

Important It is here that the writing wick the contact opening of Completes the frontal seal completely.

Between the frontal seal and the outer surface of the writing die in the area the contact opening a capillary gap can be formed.

The Invention further relates to a liquid storage for writing, Drawing and / or Marking, wherein the memory is capillary, wherein the liquid storage a surface area having a seal, wherein the area with Seal at least the entire face of the liquid reservoir and wherein the sealing area is at least one Part of the lateral surface extends formed.

In addition to that another embodiment the seal according to the invention demonstrated. In this version is the sealing of the liquid storage from a highly capillary layer, which is filled with writing fluid fully sucks and from this point on like a liquid-impermeable wall acts as the holding forces The capillaries are very high and so the liquid is not uncontrolled over the liquid storage can be delivered.

1

shaft

11

end cap

12

Through bore

13

ventilation opening

2

writing wick

21

nib

22

wick end

23

outer surface

3

liquid storage

31

sealing

311

frontal sealing

312

Coat sealing

32

contact opening

33

lateral surface

34

front

Claims (8)

Writing, drawing and / or marking device, wherein the device has at least one shaft, a liquid storage and a Schreibdocht used therein, wherein between Schreibdocht and liquid storage at least one contact point or contact area for guiding the writing medium is formed, characterized in that the at least one liquid storage ( 3 ), on the writing wick ( 2 ), an area with sealing ( 31 ), that the area with seal ( 31 ) the entire free end face ( 34 ) of the liquid reservoir ( 3 ) and that the area with sealing ( 31 ) at least in a partial region of the lateral surface ( 33 ) is formed extends. Apparatus according to claim 1, characterized in that the seal ( 31 ) is formed liquid-retaining. Apparatus according to claim 1 or 2, characterized in that the at least in a partial region of the lateral surface ( 33 ) formed area with jacket seal ( 312 ) with the frontal sealing ( 311 ) as a continuous and / or one-part seal ( 31 ) is trained. Device according to one of the preceding claims, characterized in that the area with sealing ( 31 ) is formed as a surface seal and that presents the surface seal as a membrane, film and / or dimensionally stable catch basin. Apparatus according to claim 1, characterized in that the liquid storage ( 3 ) consists of fiber material, sponge material, plastic balls and / or sintered plastic balls. Device according to one of the preceding claims, characterized in that the writing wick ( 2 ) the contact opening ( 32 ) of the frontal sealing ( 311 ) completely. Device according to one of the preceding claims, characterized in that between the frontal sealing ( 311 ) and the outer surface ( 23 ) of the spouse ( 2 ) in the region of the contact opening ( 32 ) A capillary gap is formed. Liquid storage for writing, drawing and / or marking, wherein the memory is capillary formed, characterized in that the liquid storage ( 3 ) has a surface area which has a seal ( 31 ), that the area with seal ( 31 ) at least the entire face ( 34 ) of the liquid reservoir ( 3 ) and that the area with sealing ( 31 ) at least in a partial region of the lateral surface ( 33 ) is formed extends.