CN1756670A - Refill for correction pen and refill unit - Google Patents
Refill for correction pen and refill unit Download PDFInfo
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- CN1756670A CN1756670A CN 200480005800 CN200480005800A CN1756670A CN 1756670 A CN1756670 A CN 1756670A CN 200480005800 CN200480005800 CN 200480005800 CN 200480005800 A CN200480005800 A CN 200480005800A CN 1756670 A CN1756670 A CN 1756670A
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Abstract
A refill for a correction pen which is excellent insolvent resistance and moldability and can make its content, i.e., a correction fluid having methyl cyclohexane as the main solvent and the remaining amount easily visible during usage and as time passes, is constructed of a molded article of a polyamide resin obtained from monomers having an aromatic ring or a naphthene ring, a molded article of a blend of two or more kinds of polyamide resins, or a molded article having a multi-layered structure of two or more layers whose innermost layer in contact with the correction fluid is constituted of a polyamide resin. The applying part of a refill unit mounted on a ballpoint type applicator having a pressurizing mechanism in linkage with clicking action is formed by press fitting the rear end of a ballpoint pen tip having a rotatable ball to the attachment portion at the front end of an ink reservoir and a metal tube is squeezed to cover the outer periphery of the attachment portion at the front end of the ink reservoir to which the tip is fitted.
Description
Technical field
The present invention relates to be used for the product that refill of the fabulous correction pen of transparency and visibility (unimpeded discharge ability (clear drainability)), the invention still further relates to the article unit that refills that synthetic resin makes, it is installed on the applicator such as ball pen type correction pen, the tip of this ball pen can be by means of pushing the anterior outstanding and pinch in of (clicking) mechanism from tube, and have the booster body with the push action interlock.
Background technology
Recently, consider environmental problem, produced refilling the demand that form stores the opaquing fluid container of opaquing fluid with so-called.For the opaquing fluid container is developed to the form that can refill, essentially select solvent-proof material, reason is that the hexahydrotoluene as the primary solvent of opaquing fluid has very high volatility.Also essential a kind of like this material, the feasible surplus that can allow the monitoring opaquing fluid of its transparency that has selected.
Routinely, the opaquing fluid container that becomes known for correction pen is by the extrusion modling of nylon resin (referring to Japanese Patent Application Publication 2002-65351), blow molding, injection mo(u)lding or passes through nylon 12 (referring to Japanese Patent Application Publication 2002-67585) formation, compares the solvent resistance of enhancing with polypropylene and suppresses with acquisition and polyethylene and reduce owing to the used expansion that solvent was caused with owing to permeating the solvent that is caused.
The polyamide mechanograph of being made by aliphatic monomer such as nylon 12 grades described in these documents has solvent resistance, but does not have sufficiently high transparency.In addition, opaquing fluid is easy to adhere to the internal face of container, and can not flow downward along with the consumption of opaquing fluid in using, therefore still have some problems like this: the surplus of opaquing fluid can not correctly be monitored, and is difficult to use up fully the opaquing fluid of being filled.
On the other hand, for ball pen type writing implement and applicator such as the routine of correction pen, some have free fluid type structure, its ink inside or opaquing fluid directly are filled in the tube, other have such structure: its ink inside or opaquing fluid be filled into refill article unit ink housing tube (refilling product) to be accommodated in the tube.In the two any is constructed such that all the ball pen tip directly is press fit into the tube or the front end of ink housing tube, perhaps has the ball pen tip and is connected to its anterior tip clamping part (tip holder) and is press fit into the tube that is full of ink or the front end of ink housing tube in its back-end.
On it interference fit the front end of the tube that the synthetic resin of tip clamping part makes is arranged or on it direct interference fit have the front end of the ink housing tube that the synthetic resin of tip makes always to be in the state that is inwardly pressurizeed.This pressure and the extra pressure that may appear at during writing or using in the ball pen tip cause being press-fitted with joint efforts on tip clamping part or the tip to reduce as time goes by together, cause the problem such as drop easily in tip clamping part or tip and ink may leak from press-fitted portions.
In order to prevent that ink leakage and ink directly are stored in the dropping of tip clamping part of the free fluid type ball pen in the tube that synthetic resin makes, known a kind of like this technology, promptly on it interference fit have the tip clamping part the rear end the tube the front portion on its outer peripheral face, be coated with metal tube (referring to Japanese Patent Application Publication 2002-113985).
But, said structure for itself, wherein be connected with on it tip clamping part the rear end the tube the front portion on its outer peripheral face, be coated with metal tube, can not expect to produce enough effects, therefore, the metal tube that in above-mentioned application, the covers usefulness flange that is suitable for being fixed on the tip clamping part with tin front end between the effect expected to reach.
In addition, because the use of tip clamping part, the quantity of parts increases, and can cause some problems on machining accuracy and the assembly precision.
In addition, refill article unit and have the applicator that directly is press fit into the tip on the ink housing tube that synthetic resin makes and is installed to the ball pen type, the tip of this applicator can have booster body with the push action interlock from the anterior outstanding or pinch in of tube and this applicator by means of pressing mechanism, in refilling article unit, also applied extra pressure from the rear end of ink housing tube, with interference fit on it have the tip ink housing tube front portion place internal pressure and during using, act on pressure on the ball pen tip, caused such problem: compare the possibility that drop in the tip and opaquing fluid leaks with normal conditions bigger.
In view of the problems referred to above of the prior art, purpose of the present invention solves them exactly.First purpose of the present invention provides a kind of product that refill that are used for correction pen, it stores the opaquing fluid of the hexahydrotoluene of highly volatilization as primary solvent, it is fabulous wherein to be used for the solvent resistance of the product that refill of correction pen and transparency and visibility, so that stored opaquing fluid and surplus thereof can be monitored during use and as time goes by at an easy rate.Second purpose of the present invention provides a kind of article unit that refills, it has the tip of the ink housing tube (refilling product) that directly is press fit into synthetic resin and makes, this ink housing tube is assembled to the applicator such as ball pen type correction pen, this nib portion can be by means of the anterior outstanding and pinch in of pressing mechanism from tube, and this applicator has the booster body with the push action interlock, it is simple in structure wherein to refill article unit, and reduced the quantity of parts, can also prevent that the tip from dropping and prevent the leakage of ink, opaquing fluid etc. from ink housing tube.
Summary of the invention
Considering conventional product that refill that are used for correction pen and the problem that refills article unit, the inventor finds that the product that refill that are used for correction pen of above-mentioned first invention can have hexahydrotoluene at least and obtain as the product that refill that are used for correction pen of the opaquing fluid of primary solvent by constituting a kind of storage, this refills product and is made of the mechanograph of the resin with specific physical property, and has therefore finished the product that refill that are used for correction pen of the present invention.The inventor has also finished the article unit that refills of the present invention, it has the tip of the ink housing tube (refilling product) that directly is press fit into synthetic resin and makes, and be installed to applicator such as ball pen type correction pen, the tip of this applicator can be by means of the anterior outstanding and pinch in of pressing mechanism from tube, and this applicator has the increase mechanism with the push action interlock, and wherein said tip is fixed by the end face of the front end connecting portion of interference fit and covering ink housing tube.
Particularly, the invention is characterized in following (1) to (18).
(1). a kind of product that refill that are used for correction pen, its storage has at least methyl cyclohexanol as the opaquing fluid of primary solvent, it is characterized in that the described product that refill that are used for correction pen are made of the mechanograph of polyamide, this polyamide is obtained by the monomer with aromatic rings or naphthenic ring.
(2). a kind of product that refill that are used for correction pen, its storage have at least that methyl cyclohexanol is characterized in that as the opaquing fluid of primary solvent, and the described product that refill that are used for correction pen are made of the mechanograph of the mixture of two kinds of polyamides at least.
(3). as the described product that refill that are used for correction pen of above-mentioned project (2), it is characterized in that a kind of polyamide is the polyamide that has aromatic rings and/or naphthenic ring in main chain.
(4)., it is characterized in that fatty group polyamide and the mixture that has the polyamide of aromatic rings and/or naphthenic ring in main chain are used as above-mentioned project (2) or (3) described product that refill that are used for correction pen.
(5). as any described product that refill that are used for correction pen in the above-mentioned project (2) to (4), it is characterized in that the polyamide that has aromatic rings and/or naphthenic ring in main chain is mixed with the amount of percentage by weight 5%-100%.
(6). a kind of product that refill that are used for correction pen, its storage has at least methyl cyclohexanol as the opaquing fluid of primary solvent, it is characterized in that, the described product that refill that are used for correction pen constitute by having two-layer or more multi-layered sandwich construction, and the innermost layer that contacts with opaquing fluid is made of polyamide.
(7). as the described product that refill that are used for correction pen of above-mentioned project (6), it is characterized in that the polyamide layer of innermost layer is made of the polyamide that has aromatic rings and/or naphthenic ring in main chain.
(8). as above-mentioned project (6) or (7) described product that refill that are used for correction pen, it is characterized in that described structure comprises one deck ethylene-vinyl alcohol copolymer at least.
(9). as the described product that refill that are used for correction pen of above-mentioned project (8), it is characterized in that the molar ratio of vinyl is 10%-60mol% in the ethylene-vinyl alcohol copolymer.
(10). as any described product that refill that are used for correction pen in the above-mentioned project (6) to (9), it is characterized in that outermost layer is 5g/m by the water vapor permeation rate
2My god/25 μ m (40 ℃, 90%RH) or littler polymeric layer constitute.
(11). as the described product that refill that are used for correction pen of above-mentioned project (10), it is characterized in that outermost layer is made of polypropylene or poly-cycloolefin.
(12). as any described product that refill that are used for correction pen in the above-mentioned project (6) to (11), it is characterized in that the thickness of the polyamide layer of innermost layer is 0.01mm-2mm.
(13)., it is characterized in that the product that refill that are used for the multilayer of correction pen pass through co-extrusion pressure, injection mo(u)lding or blow molding manufacturing as any described product that refill that are used for correction pen in the above-mentioned project (6) to (7).
(14). a kind of article unit that refills, be included in the ink housing tube of the spreader portion and the rear end at front end place, wherein, refill article unit and be installed in the tube, so that pushed backward by first spring;
The spreader portion that refills article unit is suitable for can be along with the outstanding and pinch in of outstanding and outstanding cancellation action of the pressing mechanism of the rear end that is located at tube;
The ink housing tube that refills article unit is at the rear end opening, and tube is provided with the booster body of the internal pressure that is used to strengthen ink housing tube, and this booster body is located between the rear end and pressing mechanism of ink housing tube; And
Described booster body comprises sealing, front opening sleeve pipe and is used for repellency ground pushes sealing and sleeve pipe along the direction that is separated from each other second spring; When after the outstanding action of pressing mechanism is carried out, refill article unit by extruding when the top of the outstanding spreader portion of tube is pushed back, the sleeve pipe of booster body moves forward with respect to sealing, thus the interior air of compressed ink holder, and, wherein:
Refilling article unit is characterised in that: the connecting portion that the rear end of the ball pen tip of spreader portion by will having rotatable ball is press fit into the front end place of ink housing tube forms; And metal tube is extruded the outer peripheral face with the connecting portion at the front end place that covers the ink housing tube that is equipped with the tip on it.
(15). a kind of article unit that refills is characterized in that the ink housing tube that refills article unit is a kind of as any described product that refill that are used for correction pen in the above-mentioned project (1) to (13).
(16). as above-mentioned project (14) or (15) described article unit that refills, it is characterized in that, described ball pen tip has at the Metal Ball at front end place and metal clamping part, and be constructed such that the pressurizing unit of described ball by comprising spring element is extruded from the rear side of this ball, so that described ball is closely contacted with the inner edge of the ball clamping part at tip front end place.
(17). as any described article unit that refills in the above-mentioned project (14) to (16), it is characterized in that, the metal tube that an one end face narrows down is extruded and is fixed on the outer peripheral face of connecting portion at ink housing tube front end place, so that cover the end face of the connecting portion at ink housing tube front end place.
(18). as any described article unit that refills in the above-mentioned project (14) to (17), it is characterized in that described metal tube is extruded and is fixed to protuberance or the otch on the outer peripheral face of connecting portion at ink housing tube front end place that forms interference fit thereon and have the tip.
Description of drawings
Fig. 1 has shown the example of the embodiment of the product that refill that are used for correction pen among the present invention's (first or second invention), is to show that ball pen tip wherein is connected to the vertical sectional view of the structure (refilling article unit) of the product that refill that are used for correction pen;
Fig. 2 has shown another example of the embodiment of the product that refill that are used for correction pen among the present invention's (first or second invention), and wherein (a) is partial vertical sectional view, (b) is the cutaway view of A-A along the line, (c) is the amplification vertical sectional view of B part;
Fig. 3 has shown the example of the embodiment of the product that refill that are used for correction pen among the present invention's (the 3rd invention), is to show that ball pen tip wherein is connected to the vertical sectional view of structure (refilling article unit) of the product that refill of the multilayer that is used for correction pen;
Fig. 4 has shown another example of the product that refill of the multilayer that is used for correction pen among the present invention's (the 3rd invention), and wherein (a) is partial vertical sectional view, (b) is the cutaway view of A-A along the line, (c) is the amplification vertical sectional view of B part;
The vertical half sectional view of Fig. 5 and Fig. 6 applicator, the article unit that refills of the present invention is accommodated in the tube in this applicator, Fig. 5 is the schematic diagram under the display operation state (during writing), and Fig. 6 is the schematic diagram under the demonstration non-operating state (during non-the writing) different with Fig. 5;
Fig. 7 shows the vertical sectional view that refills an example of article unit of the present invention;
Fig. 8 is the cutaway view of C-C along the line;
Fig. 9 is the cutaway view according to the major part that refills article unit of first embodiment of the invention;
Figure 10 is the cutaway view according to the major part that refills article unit of second embodiment of the invention;
Figure 11 is the cutaway view according to the major part that refills article unit of third embodiment of the invention; And
Figure 12 is the cutaway view according to the major part that refills article unit of fourth embodiment of the invention.
The specific embodiment
Progressively describe the product that refill of correction pen and the embodiment that refills article unit of being used for of the present invention in detail below in conjunction with accompanying drawing.
The product that refill that are used for correction pen of the present invention are any one a kind of product that refill that comprise following (1) to (3):
(1) a kind of product that refill that are used for correction pen store and have at least hexahydrotoluene as the opaquing fluid of primary solvent, it is characterized in that, the product that refill that are used for correction pen are made of the polyamide mechanograph, and this polyamide obtains (this will be known as " product that refill that are used for correction pen of first invention ") by the monomer with aromatic rings or naphthenic ring.
(2) a kind of product that refill that are used for correction pen store and have at least hexahydrotoluene as the opaquing fluid of primary solvent, it is characterized in that the product that refill that are used for correction pen constitute (this will be known as " product that refill that are used for correction pen of second invention ") by the mechanograph of the mixture of at least two kinds of polyamides.
(3) a kind of product that refill that are used for correction pen store and have at least hexahydrotoluene as the opaquing fluid of primary solvent, it is characterized in that, the product that refill that are used for correction pen constitute by having two-layer or more multi-layered sandwich construction, and the innermost layer that contacts with opaquing fluid constitutes (this will be known as " product that refill that are used for correction pen of the 3rd invention ") by polyamide.
Fig. 1 is an example that shows the embodiment of first or second product of inventing that refill that are used for correction pen.These product that refill 10 that are used for correction pen store therein has at least hexahydrotoluene as the opaquing fluid 30 of primary solvent, and opaquing fluid is followed portion (follower) 32 and is configured to back end in contact with opaquing fluid 30.In addition, utilize joint 11 to be connected to be used for the front end of the product that refill 10 of correction pen to refill article unit with formation as the ball pen tip 12 of smearing (writing) portion, joint 11 is between front end that refills product 10 and tip 12.
Fig. 2 has shown another example of the embodiment of the product that refill that are used for correction pen among the present invention, and wherein (a) is partial vertical sectional view, (b) is the cutaway view of A-A along the line, (c) is the amplification vertical sectional view of B part.
These product that refill 15 that are used for correction pen are to have a kind of product that refill of molded tabs (member) integratedly, as shown in Figure 2.Although do not illustrate, this is used for the product that refill 15 of correction pen, as mentioned above, store therein and have at least hexahydrotoluene as the opaquing fluid of primary solvent, and the opaquing fluid portion of following is configured to the back end in contact with opaquing fluid.
These product that refill 10 or 15 mechanographs by the mixture of polyamide mechanograph or two or more polyamides that are used for correction pen constitute, and this polyamide is obtained by the monomer with aromatic rings or naphthenic ring.
Is a kind of like this resin by the monomer with aromatic rings as the polyamide that raw material obtains, it has aromatic rings and comprises in main chain, for example poly-between the copolymer etc. of xylylene adipamide (polymetaxylylene adipamide) resin, terephthalic acid (TPA) or isophathalic acid and hexamethylene diamine.Particularly, the commercial product that can use has such as NOVAMID X21 (being made by Mitsubishi engineering Plastics Co., Ltd), nylon MXD 6 (being made by aerochemistry Co., Ltd. of Mitsubishi), SELAR PA (being made by E.I.Du Pont Company), TROGAMID T5000 (being made by Daicel-Huels Co., Ltd).
Is a kind of like this resin by the monomer with naphthenic ring as the polyamide that raw material obtains, and it has naphthenic ring in main chain.Particularly, TROGAMID CX-7323 (being made by Daicel-Huels Co., Ltd) can be as the commercial resins with naphthenic ring and high grade of transparency.
Two or more polyamides with different physical properties can be mixed as the resin that comprises the mixture of two or more polyamides in second invention, consider than better mouldability of single polyamide and visibility in the first top invention, a kind of polyamide that preferably in main chain, has aromatic rings or naphthenic ring in the polyamide.More preferably be to use the fatty polyamide resin and in main chain, have the mixture of the polyamide of aromatic rings or naphthenic ring.
Compare with the single polyamide that obtains by monomer in first invention with aromatic rings or naphthenic ring, the polyamide that has aromatic rings in second invention in main chain has better, lasting unimpeded opaquing fluid is discharged ability (persistent clear drain ability against acorrection fluid), this opaquing fluid has at least hexahydrotoluene as primary solvent, but, with regard to the mechanical strength under mouldability and the low temperature, it is not so good as again slightly.On the other hand, the fatty polyamide resin is relatively cheap and mouldability is fabulous, but because its unimpeded discharge ability and the crystallization of self present some milkys, inferior slightly aspect visibility down to it.
Consider this point, in the particularly preferred mode of second invention of the mixture that uses two or more polyamides, preferably use the polyamide that in main chain, has aromatic rings and/or naphthenic ring and the mixture of fatty polyamide resin.When using this resin compound, the polyamide that has aromatic rings and/or naphthenic ring in main chain is preferably with the amount of weight with respect to the total amount 5% to 100% of resin compound, and more preferably 30% to 100% amount is mixed.
If the amount that has the polyamide of aromatic rings and/or naphthenic ring in main chain is lower than 5% percentage by weight, then can not expect the improvement of lasting unimpeded discharge ability.The resin of the amount of operating weight percentage 100% means polyamide that has aromatic rings in main chain and the hybrid resin that has the polyamide of naphthenic ring in main chain.
Above all polyamides of being mentioned can both be as the available polyamide that has aromatic rings and/or naphthenic ring in main chain in first invention.
In addition, also can be used as the fatty polyamide resin such as cheap fatty polyamide resins such as nylon 6, nylon 66, nylon 11, nylon 12.
The product that refill 10 or 15 that are used for correction pen of first or second invention obtain in the following manner at an easy rate: extrusion modling, injection mo(u)lding, blow molding or other modes are processed aforementioned by the polyamide of the monomer acquisition with aromatic rings or naphthenic ring or the mixture of two or more polyamides, the mixture that preferably has the polyamide of aromatic rings and/or naphthenic ring in main chain more preferably has the polyamide of aromatic rings and/or naphthenic ring and the mixture of fatty polyamide resin in main chain.
Although the wall thickness of the product that refill 10 that are used for correction pen of the present invention or 15 can change according to the structure of correction pen, the type and the other factors of opaquing fluid, it preferably is appointed as 0.1-3mm, more preferably 0.2-1.5mm.
Wall thickness less than 0.1mm can cause relatively poor mechanical strength, and neither be preferred above the wall thickness of 3mm, and reason has been too thick and can have caused thick handwriting, and cost is higher.
Fig. 3 has shown an example according to the embodiment of the product that refill that are used for correction pen of the 3rd invention.These product that refill 10 that are used for correction pen store therein has at least hexahydrotoluene as the opaquing fluid 30 of primary solvent, and opaquing fluid is followed portion 32 and is configured to back end in contact with opaquing fluid 30.In addition, utilize joint 11 to be connected to be used for the front end of the product that refill 10 of correction pen to refill article unit with formation as the ball pen tip 12 of smearing (writing) portion, joint 11 is between front end that refills product 10 and tip 12.
Fig. 4 has shown another example of embodiment that is used for the product that refill of correction pen in the 3rd invention, and wherein (a) is partial vertical sectional view, (b) is the cutaway view of A-A along the line, (c) is the amplification vertical sectional view of B part.
These product that refill 15 that are used for correction pen are a kind of like this product that refill, and it has molded tabs (member) integratedly, as shown in Figure 4.Although do not illustrate, this is used for the product that refill 15 of correction pen, as mentioned above, store therein and have at least hexahydrotoluene as the opaquing fluid of primary solvent, and the opaquing fluid portion of following is configured to the back end in contact with opaquing fluid.
These product that refill 10 or 15 that are used for correction pen have two-layer or more multi-layered sandwich construction, and its innermost layer 10a or the 15a that contact with opaquing fluid 20 are made of polyamide.Be used among Fig. 3 and Fig. 4 that example has two-layer (not comprising adhesive layer) shown in the product that refill 10 or 15 of correction pen, outer 10b or 15b can be made of the layer of any amount, as long as innermost layer 10a or 15a are made of polyamide.
The polyamide that constitutes innermost layer 10a or 15a is not particularly limited, as long as it belongs to the polyamide-based resins classification.But, use the polyamide in main chain, have aromatic rings and/or naphthenic ring preferably to use fatty polyamide resin such as nylon 12, reason is excellent solvent resistance and visibility.In addition, for the consideration of mouldability, can use the mixture of these resins and aforementioned fatty polyamide resin.
The example of spendable fatty polyamide resin comprises nylon 6, nylon 66, nylon 11 and nylon 12 in the 3rd invention, and these resins are all very cheap.
In addition, the spendable polyamide that has aromatic rings and/or naphthenic ring in main chain is compared nylon 12 etc. in view of it and is had better solvent resistance and visibility, thereby particularly preferably be suitable for the product that refill of correction pen, but with regard to the mechanical strength under mouldability and the low temperature, they then are not so good as slightly, and they can cause some problems therefore simple use.Given this, the polyamide resin (it has above-mentioned excellent properties) that preferably will have aromatic rings and/or naphthenic ring in main chain is as forming the innermost layer of thin layer to solve above-mentioned use problem, and another polymeric layer forms skin, constituting sandwich construction, thereby can realize the effect of enhancing of the present invention.
The spendable polyamide that has aromatic rings in main chain is included in those polyamides that have aromatic rings in the main chain, the copolymer of xylylene adipamide (polymetaxylyleneadipamide) resin, terephthalic acid (TPA) or isophathalic acid and hexamethylene diamine between for example gathering.Particularly, can use commercial product such as NOVAMID X21 (making), nylon MXD 6 (making), SELAR PA (making), TROGAMIDT5000 (making) by Daicel-Huels Co., Ltd by E.I.Du Pont Company by Mitsubishi Gas Chemical Co., Ltd by Mitsubishi engineering Plastics Co., Ltd.
The polyamide that is obtained by the monomer with naphthenic ring is a kind of like this resin, and it has naphthenic ring in main chain.Particularly, TROGAMID CX-7323 (being made by Daicel-Huels Co., Ltd) can be as the commercial resins with naphthenic ring and high grade of transparency.
Two or more polyamides with different physical properties can be mixed as the resin that comprises the mixture of two or more polyamides in the 3rd invention, consider and improve lasting unimpeded discharge ability and mouldability, preferably use in the mixture of the polyamide that has naphthenic ring in the polyamide that has aromatic rings in the main chain and the main chain or the main chain to have these polyamides of aromatic rings and/or naphthenic ring and the mixture of fatty polyamide resin.When using this resin compound, the polyamide that has aromatic rings and/or naphthenic ring in main chain is preferably with the amount of weight with respect to the total amount 5% to 100% of resin compound, and more preferably 30% to 100% amount is mixed.
The thickness of innermost layer, promptly the thickness of polyamide layer 10a is designated as 0.01-2mm, preferably 0.05-1mm, more preferably 0.1-0.8mm.
Wall thickness less than 0.1mm can cause relatively poor solvent resistance, and neither be preferred above the wall thickness of 2mm, and reason has been too thick and can have caused thick handwriting, and cost is higher.
In the 3rd invention, when the polyamide that has aromatic rings and/or naphthenic ring in the main chain or the polyamide compound that comprises those resins during as innermost layer 10a, consider compatibility with the internal layer polyamide, comprising can be as outer 10b or the 15b on the aforementioned polyamide innermost layer 10a or the 15a outside such as the layer of the fatty polyamide resin of nylon 6, nylon 66, nylon 11 or nylon 12, and these fatty polyamide resins are more cheap polyamide-based resins.Alternatively, such as the polyester-based condensate of PETG (PET) and PEN (PEN), can be used for constructing sandwich construction, use polyolefin-based adhesive as adhesive layer such as the polyolefin of polypropylene (PP), polyethylene (PP) or poly-cycloolefin.
In the 3rd invention, also preferably include at least one deck second rare-the rare alcohol copolymer of second (EVOH), it has excellent solvent resistance and has fabulous choke ability for oxygen and nitrogen gas for the solvent such as hexahydrotoluene.Particularly preferably be that one deck (one deck in the three-decker altogether) copolymer forms the intermediate layer between innermost layer and the outermost layer at least.
For the consideration that improves solvent resistance and choke ability, the second that use is rare-preferably a kind of like this copolymer of the rare alcohol copolymer of second, and second is rare-and the copolymerization ratio of ethene in the rare alcohol copolymer of second drops in the scope of 10-60mol%.
The example that the copolymerization ratio of its ethene drops on the EVOH in the scope of 20-60mol% comprises: the EP-F101 (copolymerization ratio of ethene: 32mol%, make by Kuraray Co., Ltd.), EP-H101 (the copolymerization ratio of ethene: 38mol%, make by Kuraray Co., Ltd.), EP-E105 (the copolymerization ratio of ethene: 44mol%, make by Kuraray Co., Ltd.), EP-G156 (the copolymerization ratio of ethene: 47mol%, make by Kuraray Co., Ltd.), EP-G110 (the copolymerization ratio of ethene: 47mol%, make by Kuraray Co., Ltd.), SOARNOL D2908 (the copolymerization ratio of ethene: 29mol%, make by synthetic Nippon Chemical Ind), SOARNOL D3203 (the copolymerization ratio of ethene: 32mol%, make by The Nippon Synthetic Chemical Industry Co., Ltd), SOARNOL D2903 (the copolymerization ratio of ethene: 29mol%, make by The Nippon Synthetic Chemical Industry Co., Ltd), SOARNOL D3808 (the copolymerization ratio of ethene: 38mol%, make by The Nippon Synthetic Chemical Industry Co., Ltd), SOARNOLET3803 (the copolymerization ratio of ethene: 38mol%, make by The Nippon Synthetic Chemical Industry Co., Ltd), SOARNOL A4412 (the copolymerization ratio of ethene: 44mol%, make by The Nippon Synthetic Chemical Industry Co., Ltd) and SOARNOL AT4403 (copolymerization ratio of ethene: 44mol% is made by The Nippon Synthetic Chemical Industry Co., Ltd).
When using evoh layer, thickness preferably is appointed as 0.01-1mm, more preferably 0.1-0.5mm.
For the product that refill that are used in correction pen have fabulous anti-hygroscopicity, the outermost layer expectation is made of such polymeric layer, and this polymeric layer has 5g/m
2My god/25 μ m (40 ℃ 90%RH) or littler water vapor permeation rate, preferably have 3g/m
2My god/25 μ m (40 ℃, 90%RH) or littler water vapor permeation rate.
The hybrid resin of two or more in polypropylene, polyethylene, poly-cycloolefin or these resins all can be used as the outermost material that is used for described character.
Poly-cycloolefin comprises the cyclic olefine copolymer with vistanex and amorphous resin combinatorial property, this amorphous resin has particularly: APEL series (APL6509T, APL6013T, APL6011T, APL6015T, APL8008F, APL8009T, APL5014DP, make by Mitsui Chemicals, Inc) or ZEONOR1020R (making by TOHCELLO Co., Ltd.) and cyclic olefin resins, it is a kind of amorphous resin and is made as primary raw material by the bicyclopentadiene in the C5 part, particularly ZEONEX and ZEONOR (being made by Rui Weng Co., Ltd.).
With above-mentioned relevant, when being provided with above-mentioned evoh layer, evoh layer and other polymer phase be than having poor slightly anti-hygroscopicity, forms the EVOH skin to such an extent as to preferably have the polymeric layer that the water vapor permeation rate is equal to or less than above-mentioned water vapor permeation rate.
Aforementioned evoh layer and water vapor permeation rate are equal to or less than 5g/m
2My god/(40 ℃, polymeric layer 90%RH) can be used to constitute sandwich construction by making the adhesive phase of working as respectively to 25 μ m, to produce good effect.
As previously mentioned, the product that refill that are used for correction pen of the 3rd invention are configured to have two-layer or more multi-layered sandwich construction, and can be by coextruded profiled, blow molding altogether, altogether injection mo(u)lding some combine in a suitable manner be used for innermost layer and outermost resin makes at an easy rate, wherein the innermost layer that contacts with opaquing fluid is made of polyamide, preferably the mixture by the polyamide that has aromatic rings and/or naphthenic ring in the main chain or these resins and fatty polyamide resin constitutes, outermost layer (comprising the intermediate layer) is made of the fatty polyamide resin, for example nylon 12, polyester based polymer, polyolefin based polymer, EVOH or its water vapor permeation rate are lower than the polymer of aforementioned characteristic value, and can also use the adhesive resin that constitutes adhesive layer if desired.Especially, coextruded profiled is preferred, and reason is that it can constitute sandwich construction in moulding.
Although the product that refill 10 that are used for correction pen of the 3rd invention or 15 wall thickness can be according to the thickness and the other factors variations of the polyamide of the structure of correction pen, opaquing fluid type, aforementioned innermost layer, but it preferably is designated as 0.5-3mm, more preferably is 1-2mm.
In first to the 3rd invention, being stored in the product that refill 10 that are used for correction pen or 15 opaquing fluid 30 is not particularly limited, as long as it has normally used opaquing fluid composition, for example use the opaquing fluid of preparation like this: by suitable dissolving or disperse such as titanium dioxide etc. screening agent, comprise hexahydrotoluene at least as the organic solvent of primary solvent (its weight be equal to or greater than weight of solvent 50%), in organic solvent soluble thickener, as resin, surfactant and other optional member of adhesive.
N-hexane, normal heptane, normal octane, isooctane, cyclohexane, ethyl cyclohexane, toluene, dimethylbenzene etc. can be as the useable solvents except that hexahydrotoluene.
For every kind of contained in opaquing fluid composition, preferred composition can comprise the organic solvent based on the 20%-85% percentage by weight of opaquing fluid total amount (percentage by weight is 100%), the screening agent of 10%-60% percentage by weight, resin and other composition of 5%-30% percentage by weight.
Above-mentioned opaquing fluid can use with its original state, perhaps also can by will be such as fine powder silica, aluminium oxide, dibenzyl sorbierite, have the viscosity of mach bentonite, 12-hydroxy stearic acid and derivative, hardened castor oil and derivative thereof, N-dodecanoyl-L-glutamic acid-α, γ-two-n-butyramide, paraffin and Tissuemat E to provide agent to join in the above-mentioned opaquing fluid to come as the gel-type opaquing fluid with the amount of percentage by weight 0.1%-10%.Preparation gel-type opaquing fluid prevents titanium dioxide precipitation, so that it can not stir ground is processed.In addition, when opaquing fluid to be applied to such as paper by smear on the time because its structural viscosity can prevent to produce spot on by smear.
The product that refill that are used for correction pen in first to the 3rd invention, be configured to follow portion 32 and comprise incompatible and be configured to slight volatile fluid with the back end in contact of aforementioned opaquing fluid with opaquing fluid 30 with the opaquing fluid of the back end in contact of opaquing fluid 30, and when it along with the consumption of opaquing fluid when mobile as motion stops.
The slight volatile fluid that this formation opaquing fluid is followed portion 32 is not particularly limited, as long as it has two fundamental propertys: promptly, prevent the evaporation of opaquing fluid and not compatible and self be difficult to evaporation with opaquing fluid.For example, comprise and be selected from the following a kind of fluid mixture of two kinds of materials (single or): glycerine, diglycerol, polyglycereol, polyethylene glycol, polypropylene glycol, alkylene glycol, alkyl ether, emulsifying agent, glycerine alkylene oxide adduct, diglycerol alkylene oxide adduct and polyglycereol alkylene oxide adduct.
In addition, follow the performance of portion 32 in order to strengthen opaquing fluid, such as fine powder silica, aluminium oxide, and composition thereof, the viscosity of dibenzyl sorbierite etc. provides agent to be introduced in the aforesaid fluid to form the gel-type fluid.
(writing) portion of smearing is not particularly limited, as long as it has the structure that wherein can discharge the opaquing fluid of appropriate amount.For example, as Fig. 1 or shown in Figure 3, it can be by having metal (stainless or ceramic) ball and constituting in the ball pen tip 12 of metal (the stainless or ceramic) clamping part of front end, the pressurizing unit pushing that ball in the tip is made by spring element makes that ball can keep closely contacting with the inner edge of the ball clamping part at top, tip.If the tip has pressurizing unit, heavy behind the ball during smearing, so that between ball and ball clamping part, form the gap, make the opaquing fluid of appropriate amount to be used to smear outside being discharged to by the gap from refilling product 10 or 15.When smearing end-of-job (with normal condition), ball turns back to the tight state of contact of inner edge with the ball clamping part at the place, top of tip by pressurizing unit, makes opaquing fluid can not flow out.
The same with the ball pen of routine, the product that refill that are used for correction pen of the first to the 3rd invention are installed into or are used in correction pen, and the product that refill in this correction pen cooperate etc. by the spiral with joint (placket) and are fixed to main body (cylindrical shell) separably; Or be used in the correction pen of the press type ball pen type with supercharging pumping mechanism, this is disclosed as the Japanese Patent Application Publication 2000-335173 that the applicant submits to; Or be used in as in following Fig. 5 and the applicator shown in Figure 6.
According to a product that refill that are used for correction pen of first invention that constitutes and use, storage has hexahydrotoluene at least and is made of the polyamide mechanograph as the product that refill that are used for correction pen of the opaquing fluid of primary solvent, this polyamide is obtained by the monomer with aromatic rings or naphthenic ring, thereby can realize fabulous dissolubility resistent, and contained opaquing fluid and surplus thereof can be seen during use and as time goes by easily.
The product that refill that are used for correction pen in second invention, storage has hexahydrotoluene at least as the product that refill that are used for correction pen of the opaquing fluid of the primary solvent mixture by at least two kinds of polyamides, preferably include have aromatic rings and/or naphthenic ring in the main chain polyamide as a kind of mixture of ingredients, the mechanograph that more preferably has the mixture of the polyamide of aromatic rings and/or naphthenic ring and fatty polyamide resin in the main chain constitutes, thereby can realize good solvent resistance, allow better visibility (so that making contained opaquing fluid and surplus thereof can see easily during use and as time goes by) and mouldability is provided.
In addition, the product that refill that are used for correction pen in the 3rd invention, storage has hexahydrotoluene at least and constitutes by having two-layer or more multi-layered sandwich construction as the product that refill that are used for correction pen of the opaquing fluid of primary solvent, and the innermost layer that contacts with opaquing fluid is made of polyamide, thereby can realize excellent solvent resistance, and contained opaquing fluid and surplus thereof can be seen during use and as time goes by easily.
The present invention's (first to the 3rd invention) the product that refill that are used for correction pen constitute by mode as mentioned above, it is characterized in that their structure.Therefore therefore, other composed component except refilling product is followed portion, correction pen structure etc. such as opaquing fluid, opaquing fluid and is not particularly limited, and can increase various modifications and does not deviate from the scope of the feature of the product that refill that are used for correction pen of the present invention.To preferably refill article unit with what preferred form was described the product that refill that are used for correction pen that use first to the 3rd invention below.
Below, Fig. 5 has shown the embodiment that refills article unit of the present invention to Figure 12.Fig. 5 is the vertical half sectional view of applicator with Fig. 6, shows respectively to push afterwards and state before, and the article unit that refills wherein according to the present invention is contained in the tube.Fig. 7 is for showing the cutaway view that refills article unit.Fig. 8 shows the cutaway view that refills the major part of the various embodiment of product of the present invention to Figure 12.
The article unit that refills of the present invention is to refill article unit by what synthetic resin constituted, it installs on the applicator such as ball pen type correction pen, the tip of this applicator can be by the anterior outstanding and pinch in of pressing mechanism from tube, and it has the booster body with the push action interlock.
Schematically, holding the applicator that refills article unit of the present invention constitutes by mode as shown in Figure 5 and Figure 6, for example: have at the front end place as the ball pen tip 12 of spreader portion with at the article unit 14 that refills of the ink housing tube 10 of rear end and be installed in tube 18 inside, and it is pushed backward by first spring 16; As the ball pen tip 12 of the spreader portion that refills product 14 can along with the outstanding action of the pressing mechanism 20 of the rear end that is located at tube 18 and cancellation action from front opening 18a outstanding and pinch in; The aforementioned ink housing tube 10 that refills product 14 is opening in its back-end; The booster body 22 that is used to increase the internal pressure of ink housing tube 10 is located between ink housing tube rear end 10r and the pressing mechanism 20; Booster body 22 comprises sealing 24, front opening sleeve pipe 26 and second spring 28, and this spring is used for sealing 24 and sleeve pipe 26 are repelled the ground pushing with the direction that is separated from each other; The top of back from the ball pen tip 12 of the outstanding spreader portion of tube 18 is extruded so that when refilling product 14 and withdrawing when carrying out in the outstanding action of pressing mechanism 20, aforementioned sealing 24 returns and sleeve pipe 26 reach relatively in booster body 22, so that the air in the compression pumping chamber 40, thereby the air after the supercharging is opened check-valves 29, so that by the internal pressurization of sealing 24 to ink housing tube 10.
And, outstanding action along with pressing mechanism 20, the sealing 24 of booster body 22 closely contacts with the ink housing tube rear end 10r that refills product 14 in the tube 18, sleeve pipe 26 further moves forward and compresses air in the pumping chamber 40 then, thus pressurized air by sealing 24 by with the inside of the similar mode compressed ink of aforesaid way holder 10.Here, the portion that follows or the analog of opaquing fluid followed in Reference numeral 30 expression opaquing fluids (or ink, baste), 32 expressions.In addition, booster body 22 is constructed such that the ball pen tip 12 of the product of refilling 14 is withdrawn in the tube 18 when the outstanding action of pressing mechanism 20 is cancelled, and the pressurized state that refills in this state in the product 10 is disengaged.
The ink housing tube 10 that refills product 14 is made of the mechanograph such as the typical resins of polypropylene, polyamide etc., if applicator is a correction pen, it is made of the product that refill that are used for correction pen of any in first to the 3rd invention, and be configured to narrow down to leading section 51 shown in Figure 9 as Fig. 7, form sleeve pipe 52, its diameter is less than the diameter of the rearward end of ink housing tube 10, and a plurality of flanks 54 that are formed for the received block 53 of tip 12 interference fits form in the middle in sleeve pipe 52.The a plurality of flanks 56 that are used to receive with fixing metal pipe 55 are formed on appropriate location, sleeve pipe 52 outside extraly, and this metal tube 55 is fixed for covering by the front end that is press fit into sleeve pipe 52.
The ball 57 at the place, top of tip 12 by the pushing of depression bar 58 repellencies ground, is made ball 57 closely contact with the caulking joint inner surface 66 at front end place, to cause airtight conditions by spring 59.An end face 60 of spring 59 directly is received portion 61 and receives, and this acceptance division 61 is cut into flank 54 midway in the inboard of the sleeve pipe 52 of ink housing tube 10.
Alternatively, as shown in figure 11, annular protuberance or notch 65 can be formed on such position on the outer peripheral face 62 of sleeve pipe 52 of ink housing tube 10: made crown cap mainly be squeezed on protuberance or the notch 65 by interference fit at this position metal tube 55.In addition, in the structure that has protuberance or notch 65, narrower an end face 67 resembles shown in Figure 10 so that cover the end face 64 of front tip part connecting portion 63 of the sleeve pipe 52 of ink housing tube 10, as shown in figure 12.
The present invention constitutes like this refills article unit and can prevent fully that the tip from dropping and prevent ink, opaquing fluid, apply leakage such as fluid, prevent direct interference fit on it have the tip ink housing tube the front portion internal stress or during smearing, act on extruding force on the ball pen tip, and prevent to cause the tip to skid off next power from ink housing tube, for example from the pressurized energy of ink housing tube rear end, and the reduction that prevents to push as time goes by the power of tip.
In addition,, therefore can reduce the quantity of parts, also have the advantage on precision machining and the assembly precision because the article unit that refills of the present invention is constructed such that the tip directly is press fit into ink housing tube and does not use any tip clamping part.
In addition, because the tip is designed to directly be press fit into ink housing tube, therefore this structure also has and allows to be stored in the ink or the opaquing fluid that have in the ink housing tube had visibility so that monitored effect before its liquid level arrives the tip connecting portion.
And, because metal tube is extruded and is fixed with the outer peripheral face of the tip connecting portion that covers ink housing tube, therefore can also guarantee tight seal, thereby keep ink or opaquing fluid stable at matching surface place, the tip of ink housing tube.
Also have in addition, any one the ink housing tube that utilizes the product that refill that are used for correction pen of above-mentioned first to the 3rd invention to constitute can not only produce above-mentioned effect can also provide a kind of have excellent solvent resistance, fabulous visibility (can see easily during use and as time goes by so that make contained opaquing fluid and surplus thereof) and the product that refill of mouldability for the correction pen unit.
Example
Below in conjunction with object lesson the present invention is described in further detail, still, the present invention is not limited to following these examples.
[routine 1-17 and comparative example 1-2]
The resin of appointment below utilizing is produced the various product that refill that are used for correction pen by distinct methods.
(example 1)
External diameter be 8mm, internal diameter be 6mm and wall thickness be the pipe of 1mm by nylon MXD 6 (make, below identical) extrusion modling by aerochemistry Co., Ltd. of Mitsubishi to form the long product that refill that are used for correction pen of 70mm.
(example 2)
External diameter be 8mm, internal diameter be 6mm and wall thickness be the pipe of 1mm by TROGAMID T5000 (making) extrusion modling by Daicel-Huels Co., Ltd to form the product that refill that are used for correction pen that 70mm grows.
(example 3)
External diameter be 8mm, internal diameter be 6mm and wall thickness be the pipe of 1mm by TROGAMID CX-7323 (making) extrusion modling by Daicel-Huels Co., Ltd to form the product that refill that are used for correction pen that 70mm grows.
(example 4)
External diameter be 8mm, internal diameter be 6mm and wall thickness be the pipe of 1mm by NOVAMID X21 (making) injection mo(u)lding by Mitsubishi engineering Plastics Co., Ltd to form the product that refill that are used for correction pen that 70mm grows.
(example 5)
External diameter is that 8mm, internal diameter are that 6mm and wall thickness are that the pipe of 1mm is that the mixture injection mo(u)lding that mixes of the ratio of 30%:70% is to form the long product that refill that are used for correction pen of 70mm with the percentage by weight by nylon 6 and NOVAMID X21.
(example 6)
External diameter is that 8mm, internal diameter are that 6mm and wall thickness are that the pipe of 1mm is that the mixture extrusion modling that mixes of the ratio of 30%:70% is to form the long product that refill that are used for correction pen of 70mm with the percentage by weight by nylon 12 and nylon MXD 6.
(example 7)
External diameter is that 8mm, internal diameter are that 6mm and wall thickness are that the pipe of 1mm is that the mixture injection mo(u)lding that mixes of 20%: 40%: 40% ratio is to form the long product that refill that are used for correction pen of 70mm by nylon 6, NOVAMID X21 and nylon MXD 6 with percentage by weight.
(example 8)
External diameter is that 8mm, internal diameter are that 6mm and wall thickness are that the pipe of 1mm is that the mixture injection mo(u)lding that mixes of 20%: 80% ratio is to form the long product that refill that are used for correction pen of 70mm by nylon 6 and NOVAMID X21 with percentage by weight.
(example 9)
External diameter is that 8mm, internal diameter are that 6mm and wall thickness are that the pipe of 1mm is that the mixture injection mo(u)lding that mixes of 10%: 40%: 50% ratio is to form the long product that refill that are used for correction pen of 70mm by nylon 12, NOVAMID X21 and nylon MXD 6 with percentage by weight.
(example 10)
External diameter be 8mm, internal diameter be 6mm and wall thickness be the pipe of 1mm by injection mo(u)lding altogether forming the long product that refill that are used for correction pen of 70mm, this pipe two-layerly constitutes [skin: nylon 6/ internal layer: NOVAMID X21=0.9mm/0.1mm] by what two kinds of resins were formed.The water vapor permeation rate of nylon 6 is 47g/m
2My god/25 μ m (40 ℃, 90%RH) (in example 11 and the example 12 too).
(example 11)
External diameter be 8mm, internal diameter be 6mm and wall thickness be the pipe of 1mm by coextruded profiled forming the long product that refill that are used for correction pen of 70mm, this pipe two-layerly constitutes [skin: nylon 6/ internal layer: nylon MXD 6=0.9mm/0.1mm] by what two kinds of resins were formed.
(example 12)
External diameter be 8mm, internal diameter be 6mm and wall thickness be the pipe of 1mm by coextruded profiled forming the long product that refill that are used for correction pen of 70mm, this pipe two-layerly constitutes [skin: nylon 6/ internal layer: TROGAMID T5000=0.9mm/0.1mm] by what two kinds of resins were formed.
(example 13)
External diameter be 8mm, internal diameter be 6mm and wall thickness be the pipe of 1mm by injection mo(u)lding altogether to form the long product that refill that are used for correction pen of 70mm, four layers of formation [outermost layer: polypropylene/adhesive phase: MODIFIED PP resin/nylon 6/ innermost layer: NOVAMID X21=0.2mm/0.01mm/0.69mm/0.1mm] that this Guan Yousi kind resin is formed.
The MODIC 502 (hereinafter too) that is made by Mitsubishi chemical Co., Ltd can be used as above-mentioned adhesive phase.Polyacrylic water vapor permeation rate is 1.6g/m
2My god/25 μ m (40 ℃, 90%RH) (in example 14 and the example 16 too).
(example 14)
External diameter be 8mm, internal diameter be 6mm and wall thickness be the pipe of 1mm by coextruded profiled to form the long product that refill that are used for correction pen of 70mm, four layers of formation that this Guan Yousi kind resin is formed [outermost layer: polypropylene/adhesive phase: MODIFIED PP resin/intermediate layer: EVOH:EP-H101 (made by Kuraray Co., Ltd., the vinyl mol ratio is 38mol%)/innermost layer: NOVAMID X21=0.2mm/0.01mm/0.69mm/0.1mm].
(example 15)
External diameter be 8mm, internal diameter be 6mm and wall thickness be the pipe of 1mm by injection mo(u)lding altogether to form the long product that refill that are used for correction pen of 70mm, three layers of formation that this Guan Yousan kind resin is formed [outermost layer: EVOH EP-E105 (made by Kuraray Co., Ltd., the vinyl mol ratio is 44%)/adhesive phase: MODIFIED PP resin/innermost layer: NOVAMID X21=0.89mm/0.01mm/0.1mm].The water vapor permeation rate of EVOH is 38g/m
2My god/25 μ m (40 ℃, 90%RH).
(example 16)
External diameter be 8mm, internal diameter be 6mm and wall thickness be the pipe of 1mm by coextruded profiled to form the long product that refill that are used for correction pen of 70mm, five layers of formation [outermost layer: polypropylene/adhesive phase: MODIFIED PP resin/EVOH that this Guan Yousi kind resin is formed; EP-E105 (made by Kuraray Co., Ltd., the vinyl mol ratio is 44%)/adhesive phase: MODIFIED PP resin/innermost layer: TROGAMID T1500=0.68mm/0.01mm/0.2mm/0.01mm/0.1mm].
(example 17)
External diameter be 8mm, internal diameter be 6mm and wall thickness be the pipe of 1mm by injection mo(u)lding altogether to form the long product that refill that are used for correction pen of 70mm, five layers of formations that this Guan Yousi kind resin is formed [outermost layer: gather cycloolefin; ZEONOR1020R (making)/adhesive phase: MODIFIED PP resin/EVOH by TOHCELL Co., Ltd.; EP-E105 (made by Kuraray Co., Ltd., the vinyl mol ratio is 44%)/adhesive: MODIFIED PP resin/innermost layer: NOVAMID X21=0.68mm/0.01mm/0.2mm/0.01mm/0.1mm].
The water vapor permeation rate of poly-cycloolefin is 0.5g/m
2My god/25 μ m (40 ℃, 90%RH).
(comparative example 1)
External diameter be 8mm, internal diameter be 6mm and wall thickness be the pipe of 1mm by nylon 12 extrusion modlings to form the long product that refill that are used for correction pen of 70mm.
(comparative example 2)
External diameter be 8mm, internal diameter be 6mm and wall thickness be the pipe of 1mm by nylon 66 extrusion modlings to form the long product that refill that are used for correction pen of 70mm.
Obtain by the way the every kind product that refills that is used for correction pen are filled the opaquing fluid of about 1.5g, and this opaquing fluid has following listed blending constituent and viscosity.Then, what charge into 0.4g follows portion so that be configured to back end in contact with opaquing fluid, to produce the every kind correction pen consistent with Fig. 1, follows below the composition of portion and viscosity also is listed in.
(opaquing fluid blending constituent)
40 parts of hexahydrotoluenes
10 parts of acrylic resins
49 parts of titanium dioxide
1 part in fine powder silica
(opaquing fluid is followed portion's blending constituent)
95 parts of oxirane and diglycerol 13mol adducts
5 parts in fine powder silica
The viscosity of opaquing fluid (25 ℃) is measured by viscosimeter (being made by Toki Sangyo Co., Ltd.), to be defined as 5000mPs under the 1rpm condition.The viscosity (25 ℃) that opaquing fluid is followed portion is 10 under the 1rpm condition, 000mPs.
The solvent resistance and the unimpeded discharge ability of the opaquing fluid that is obtained by following evaluation method evaluation.
Show in result's table 1 below.
(evaluation method of solvent resistance)
To rest in 25 ℃, the environmental testing chamber of 65%RH one month by the correction pen that obtains as upper type, visually estimate the solvent resistance of every kind of pen then based on following evaluation criterion.
Evaluation criterion:
Zero does not observe variation in refilling product
△ observes slight variations in refilling product
* in refilling product, observe variation
(unimpeded discharge ability assessment method)
To rest in 50 ℃, the environmental testing chamber of 65%RH one month by the correction pen that obtains as upper type, visually estimate the unimpeded discharge ability of every kind of pen then based on following evaluation criterion.
Evaluation criterion:
Zero to refill product transparent and without any variation, and can easily monitor surplus
△ observes in refilling product and has muddy a little slight variations, makes and can monitor surplus reluctantly
* in refilling product, observe the variation that has muddiness, make and can not monitor surplus
Table 1
| Example | |||||||||||
| 1 | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | |
| Solvent resistance | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ |
| Unimpeded discharge ability | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ |
| Example | Comparative example | |||||||
| 12 | 13 | 14 | 15 | 16 | 17 | 1 | 2 | |
| Solvent resistance | ○ | ○ | ○ | ○ | ○ | ○ | ○ | ○ |
| Unimpeded discharge ability | ○ | ○ | ○ | ○ | ○ | ○ | × | × |
Can find obviously that from result shown in the top table 1 the routine 1-17 that drops in the scope of the invention is better than the comparative example 1-2 that drops on outside the scope of the invention on solvent resistance and unimpeded discharge ability.
Industrial applicability
The product that refill for correction pen of the present invention are fabulous on solvent resistance, visibility (in use and as time goes by can see easily in order to make contained opaquing fluid and surplus thereof) and mouldability.
In addition, refill in the article unit of the present invention, can prevent fully that the tip from dropping and prevent ink, opaquing fluid, apply the leakages such as fluid, prevent direct interference fit on it have the tip ink housing tube the front portion internal pressure or during smearing, act on extruding force on the ball pen tip, and prevent to cause the tip to skid off next power from ink housing tube, for example from the extruding force of ink housing tube rear end, and the reduction that prevents from pushing as time goes by the power of tip.
Claims (18)
1. product that refill that are used for correction pen, its storage has at least hexahydrotoluene as the opaquing fluid of primary solvent, it is characterized in that the described product that refill that are used for correction pen are made of the mechanograph of polyamide, this polyamide is obtained by the monomer with aromatic rings or naphthenic ring.
2. product that refill that are used for correction pen, its storage have at least that hexahydrotoluene is characterized in that as the opaquing fluid of primary solvent, and the described product that refill that are used for correction pen are made of the mechanograph of the mixture of two kinds of polyamides at least.
3. the product that refill that are used for correction pen as claimed in claim 2 is characterized in that a kind of polyamide is the polyamide that has aromatic rings and/or naphthenic ring in main chain.
4. as claim 2 or the 3 described product that refill that are used for correction pen, it is characterized in that fatty group polyamide and the mixture that has the polyamide of aromatic rings and/or naphthenic ring in main chain are used.
5. as any described product that refill that are used for correction pen in the claim 2 to 4, it is characterized in that the polyamide that has aromatic rings and/or naphthenic ring in main chain is mixed with the amount of percentage by weight 5%-100%.
6. product that refill that are used for correction pen, its storage has at least hexahydrotoluene as the opaquing fluid of primary solvent, it is characterized in that the described product that refill that are used for correction pen constitute by having two-layer or more multi-layered sandwich construction, and the innermost layer that contacts with opaquing fluid is made of polyamide.
7. the product that refill that are used for correction pen as claimed in claim 6 is characterized in that the polyamide layer of innermost layer is made of the polyamide that has aromatic rings and/or naphthenic ring in main chain.
8. as claim 6 or the 7 described product that refill that are used for correction pen, it is characterized in that described structure comprises one deck ethylene-vinyl alcohol copolymer at least.
9. the product that refill that are used for correction pen as claimed in claim 8 is characterized in that the molar ratio of vinyl is 10%-60mol% in the ethylene-vinyl alcohol copolymer.
10. as any described product that refill that are used for correction pen in the claim 6 to 9, it is characterized in that outermost layer is 5g/m by the water vapor permeation rate
2My god/25 μ m (40 ℃, 90%RH) or littler polymeric layer constitute.
11. the product that refill that are used for correction pen as claimed in claim 10 is characterized in that outermost layer is made of polypropylene or poly-cycloolefin.
12., it is characterized in that the thickness of the polyamide layer of innermost layer is 0.01mm-2mm as any described product that refill that are used for correction pen in the claim 6 to 11.
13., it is characterized in that the product that refill that are used for the multilayer of correction pen pass through co-extrusion pressure, injection mo(u)lding or blow molding manufacturing as any described product that refill that are used for correction pen in the claim 6 to 7.
14. one kind refills article unit, is included in the ink housing tube of the spreader portion and the rear end at front end place, wherein, refills article unit and is installed in the tube, so that pushed backward by first spring;
The spreader portion that refills article unit is suitable for can be along with the outstanding and pinch in of outstanding and outstanding cancellation action of the pressing mechanism of the rear end that is located at tube;
The ink housing tube that refills article unit is at the rear end opening, and tube is provided with the booster body of the internal pressure that is used to strengthen ink housing tube, and this booster body is located between the rear end and pressing mechanism of ink housing tube; And
Described booster body comprises sealing, front opening sleeve pipe and is used for repellency ground pushes sealing and sleeve pipe along the direction that is separated from each other second spring; When after the outstanding action of pressing mechanism is carried out, refill article unit by extruding when the top of the outstanding spreader portion of tube is pushed back, the sleeve pipe of booster body moves forward with respect to sealing, thus the interior air of compressed ink holder, and, wherein:
Refilling article unit is characterised in that: the connecting portion that the rear end of the ball pen tip of spreader portion by will having rotatable ball is press fit into the front end place of ink housing tube forms; And metal tube is extruded the outer peripheral face with the connecting portion at the front end place that covers the ink housing tube that is equipped with the tip on it.
15. one kind refills article unit, it is characterized in that, the ink housing tube that refills article unit is a kind of as any described product that refill that are used for correction pen in the claim 1 to 13.
16. as claim 14 or the 15 described article units that refill, it is characterized in that, described ball pen tip has at the Metal Ball at front end place and metal clamping part, and be constructed such that the pressurizing unit of described ball by comprising spring element is extruded from the rear side of this ball, so that described ball is closely contacted with the inner edge of the ball clamping part at tip front end place.
17. as any described article unit that refills in the claim 14 to 16, it is characterized in that, the metal tube that an one end face narrows down is extruded and is fixed on the outer peripheral face of connecting portion at ink housing tube front end place, so that cover the end face of the connecting portion at ink housing tube front end place.
18., it is characterized in that described metal tube is extruded and is fixed to protuberance or the otch on the outer peripheral face of connecting portion at ink housing tube front end place that forms interference fit thereon and have the tip as any described article unit that refills in the claim 14 to 17.
Applications Claiming Priority (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003057288A JP4442798B2 (en) | 2003-03-04 | 2003-03-04 | Correction pen refill |
| JP057288/2003 | 2003-03-04 | ||
| JP057290/2003 | 2003-03-04 | ||
| JP107568/2003 | 2003-04-11 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101692343A Division CN101372189B (en) | 2003-03-04 | 2004-03-03 | Refill unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1756670A true CN1756670A (en) | 2006-04-05 |
| CN100548718C CN100548718C (en) | 2009-10-14 |
Family
ID=33120751
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004800058007A Expired - Fee Related CN100548718C (en) | 2003-03-04 | 2004-03-03 | Be used for the product that refill of correction pen and refill article unit |
| CN2008101692343A Expired - Fee Related CN101372189B (en) | 2003-03-04 | 2004-03-03 | Refill unit |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008101692343A Expired - Fee Related CN101372189B (en) | 2003-03-04 | 2004-03-03 | Refill unit |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP4442798B2 (en) |
| CN (2) | CN100548718C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110494297A (en) * | 2017-03-31 | 2019-11-22 | 三菱铅笔株式会社 | Writing implement pen core and the writing implement for having used the writing implement pen core |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP6717007B2 (en) * | 2016-03-31 | 2020-07-01 | 三菱瓦斯化学株式会社 | Container for storing liquid containing alkylene glycol alkyl ether, method for storing liquid containing alkylene glycol alkyl ether, and container containing liquid containing alkylene glycol alkyl ether |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2113035T3 (en) * | 1993-11-30 | 1998-04-16 | Pelikan Ag | INSTRUMENT FOR WRITING, ESPECIALLY A FOUNTAIN PEN. |
| DE4409756A1 (en) * | 1994-03-22 | 1995-09-28 | Merz & Krell | Fountain pen filling system |
| US6027272A (en) * | 1998-06-19 | 2000-02-22 | The Gillette Company | Fluid delivery system |
-
2003
- 2003-03-04 JP JP2003057288A patent/JP4442798B2/en not_active Expired - Fee Related
-
2004
- 2004-03-03 CN CNB2004800058007A patent/CN100548718C/en not_active Expired - Fee Related
- 2004-03-03 CN CN2008101692343A patent/CN101372189B/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110494297A (en) * | 2017-03-31 | 2019-11-22 | 三菱铅笔株式会社 | Writing implement pen core and the writing implement for having used the writing implement pen core |
| CN110494297B (en) * | 2017-03-31 | 2021-02-12 | 三菱铅笔株式会社 | Writing instrument cartridge and writing instrument using the same |
| US11135868B2 (en) | 2017-03-31 | 2021-10-05 | Mitsubishi Pencil Company, Limited | Refill for writing implements and writing implements using the same |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100548718C (en) | 2009-10-14 |
| CN101372189B (en) | 2010-12-01 |
| JP2004262195A (en) | 2004-09-24 |
| JP4442798B2 (en) | 2010-03-31 |
| CN101372189A (en) | 2009-02-25 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20091014 Termination date: 20160303 |