WO2001077450A1 - Disposable garbage strainer for kitchen sink, method for manufacturing the same, and apparatus for coating the same - Google Patents

Disposable garbage strainer for kitchen sink, method for manufacturing the same, and apparatus for coating the same Download PDF

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Publication number
WO2001077450A1
WO2001077450A1 PCT/KR2000/001543 KR0001543W WO0177450A1 WO 2001077450 A1 WO2001077450 A1 WO 2001077450A1 KR 0001543 W KR0001543 W KR 0001543W WO 0177450 A1 WO0177450 A1 WO 0177450A1
Authority
WO
WIPO (PCT)
Prior art keywords
strainer
paper
side paper
garbage
waterproofing
Prior art date
Application number
PCT/KR2000/001543
Other languages
French (fr)
Inventor
Hyun-Woo Kim
Original Assignee
Kim Hyun Woo
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from KR1020000018426A external-priority patent/KR100330320B1/en
Priority claimed from KR1020000064969A external-priority patent/KR20020034572A/en
Application filed by Kim Hyun Woo filed Critical Kim Hyun Woo
Priority to AU2001224082A priority Critical patent/AU2001224082A1/en
Priority to JP2001574692A priority patent/JP2004518835A/en
Publication of WO2001077450A1 publication Critical patent/WO2001077450A1/en

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/12—Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
    • E03C1/26—Object-catching inserts or similar devices for waste pipes or outlets
    • E03C1/264—Separate sieves or similar object-catching inserts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/111—Making filtering elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
    • B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
    • B01D29/31—Self-supporting filtering elements
    • B01D29/35—Self-supporting filtering elements arranged for outward flow filtration
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B13/00—Machines or plants for applying liquids or other fluent materials to surfaces of objects or other work by spraying, not covered by groups B05B1/00 - B05B11/00
    • B05B13/02—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work
    • B05B13/0221—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts
    • B05B13/0242—Means for supporting work; Arrangement or mounting of spray heads; Adaptation or arrangement of means for feeding work characterised by the means for moving or conveying the objects or other work, e.g. conveyor belts the objects being individually presented to the spray heads by a rotating element, e.g. turntable
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/02—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface ; Controlling means therefor; Control of the thickness of a coating by spreading or distributing liquids or other fluent materials already applied to the coated surface
    • B05C11/023—Apparatus for spreading or distributing liquids or other fluent materials already applied to a surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C9/00—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important
    • B05C9/08—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation
    • B05C9/14—Apparatus or plant for applying liquid or other fluent material to surfaces by means not covered by any preceding group, or in which the means of applying the liquid or other fluent material is not important for applying liquid or other fluent material and performing an auxiliary operation the auxiliary operation involving heating or cooling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
    • B05B9/002—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour incorporating means for heating or cooling, e.g. the material to be sprayed

Definitions

  • the present invention relates to a disposable garbage strainer for a kitchen sink, a method for manufacturing the same, and an apparatus for coating the same with a waterproofing solvent, and more particularly, the present invention relates to a disposable garbage strainer for a kitchen sink, which functions to strain garbage produced while washing dishes, thereby to prevent the garbage from being discharged as it is, serves to remove microorganisms and offensive odors generated in the garbage, and retains an aromatic constituent which emits a sweet fragrance, a method for manufacturing the same, and an apparatus for coating the same with a waterproofing solvent.
  • a kitchen sink is defined with a dram outlet through which water is discharged.
  • a drain trap is fitted into the drain outlet so that garbage which is produced while washing dishes, is filtered, thereby to prevent the garbage from being discharged as it is, through the drain outlet.
  • the conventional drain trap adequately performs a function of filtering debris such as garbage, it is encountered with a problem in that, since it must be re-used after filtered garbage is removed therefrom, a person who washes dishes, can be disgusted with the procedure of removing the filtered garbage and re-fitting the drain trap into the drain outlet. Also, as the drain trap is used through a multitude of times, because the drain trap as a whole is stained with filth, a condition under which microorganisms can easily propagate, is created, whereby unsamtariness is caused. Moreover, due to the fact that the filtered garbage is easily caught in the drain trap, it is difficult to sufficiently remove the garbage from the drain trap.
  • a disposable garbage strainer which is defined with drain holes in a side wall thereof and which is made of paper, has been disclosed in the art.
  • the conventional disposable garbage strainer is manufactured by simply defining the drain holes in the side wall of a cup-shaped container, it has a limitation in that it fails to escape from the construction of the conventional drain trap.
  • vinyl coating is applied the entire surface of the strainer, because the strainer is always held wetted, as water smears into material of the strainer, the integrity of the strainer cannot be properly maintained, and a bottom wall of the strainer is apt to be detached from the side wall.
  • an object of the present invention is to provide a disposable garbage strainer for a kitchen sink, which functions to strain garbage produced while washing dishes, thereby to prevent the garbage from being discharged as it is, serves to remove microorganisms and offensive odors generated in the garbage, and retains an aromatic constituent which emits a sweet fragrance, a method for manufacturing the same, and an apparatus for coating the same with a waterproofing solvent.
  • a disposable garbage strainer for a kitchen sink comprising: a side paper of a sector-shaped configuration, in which a first vinyl coating layer is formed all over at least one surface and a mixed solvent of paraffin plus aromatic is applied to the other surface, the side paper being defined with first dram holes spaced apart one from another by a desired distance and being formed with at least one adsorbing portion; and a bottom paper in which a second vinyl coating layer and a detergent-applied paper are formed all over at least one surface, the bottom paper being defined with second dra holes; wherein the side paper and the bottom paper are heat-fused to each other in a state in which the bottom paper is positioned at a lower end of the side paper and the first vinyl coating layer and the second vinyl coating layer face each other while serving as inner surfaces of the side paper and the bottom paper, respectively, thereby to define a cup- shaped configuration, and an upper end of the side paper is curled outward to define an engaging
  • a disposable garbage strainer for a kitchen sink comprising: a side paper of a sector-shaped configuration, in which a first vinyl coating layer is formed all over at least one surface and aromatic plus waterproofing resin, an application detergent and a parting agent such as silicon powder are sequentially applied to the other surface, the side paper being defined with first dram holes spaced apart one from another by a desired distance and being formed with at least one adsorbing portion; and a bottom paper in which a second vinyl coating layer is formed all over at least one surface, the bottom paper being defined with second dram holes; wherein the side paper and the bottom paper are heat-fused to each other in a state in which the bottom paper is positioned at a lower end of the side paper and the first vinyl coating layer and the second vinyl coating layer face each other while serving as inner surfaces of the side paper and the bottom paper, respectively, thereby to define a cup-shaped configuration, and an upper end of the side paper is curled outward to define an engaging portion.
  • a method for manufacturing a disposable garbage strainer comprising: a first process having a first step of punching a side paper material which is supplied in a state in which a first vinyl coating layer is formed on an inner surface thereof, to define first dram holes and at least one adsorbing portion, and a second step of cutting the side paper material into a sector-shaped configuration, to complete a side paper which includes the dram holes and at least one adsorbing portion; a second process having a third step of feeding the side paper by means of an adsorption feeding mechanism which adsorbs the adsorbing portion of the completed side paper, a fourth step of heat-fusing both ends of the side paper to each other, a fifth step of heat-fusing a bottom paper which is supplied, to a lower end of the side paper, and a sixth step of curling outward an upper end of the side paper; and a third process having a seventh step of spraying a mixed solvent of paraffin
  • a method for manufacturing a disposable garbage strainer comprising: a first process having a first step of punching a side paper material which is supplied in a state in which a first vinyl coating layer is formed on an inner surface thereof, to define first dram holes and at least one adsorbing portion, and a second step of cutting the side paper material into a sector-shaped configuration, to complete a side paper which includes the dram holes and at least one adsorbing portion; a second process having a third step of feeding the side paper by means of an adsorption feeding mechanism which adsorbs the adsorbing portion of the completed side paper, a fourth step of heat-fusing both ends of the side paper to each other, a fifth step of heat-fusing a bottom paper which is supplied, to a lower end of the side paper, and a sixth step of curling outward an upper end of the side paper; and a third process having a seventh step of spraying a mixed solvent of waterproof
  • an apparatus for coating a disposable garbage strainer with a waterproofing solvent comprising: a body for storing the waterproofing solvent such as paraffin, the body including a double heat-msulatmg arrangement and heating means which enable the waterproofing solvent to be maintained at a predetermined high temperature; a lower plate mounted to an upper end of the body, the lower plate having a center shaft of a predetermined height, which is rotatably up ⁇ ghted at a center portion of the lower plate, supporting posts which are fastened to an upper surface of the lower plate around the center shaft along a circumferential direction in such a way as to be spaced apart one from another by a predetermined angle, and an air injecting nozzle which is installed on the lower plate to inject compressed air; a middle plate secured to the center shaft above the lower plate, the middle shaft having mold supporting pipes which are affixed to an upper surface of the middle plate along the circumferential direction in such a way as to be spaced apart one from another by
  • FIG. 1 is a perspective view illustrating a disposable garbage strainer for a kitchen sink, in accordance with a first embodiment of the present invention
  • FIG. 2 is a partially enlarged cross-sectional view taken along the line A-A of FIG. 1 ;
  • FIG. 3 is a process chart for explaining a method for manufacturing the garbage strainer shown in FIGs. 1 and 2;
  • FIG. 4 is a partially enlarged cross-sectional view illustrating a disposable garbage strainer for a kitchen sink, accordance with a second embodiment of the present invention
  • FIG. 5 is a process chart for explaining a method for manufacturing the garbage strainer shown in FIG. 4;
  • FIG. 6 is a plan view illustrating a side paper which is formed by a first process in the methods for manufacturing the garbage strainer accordmg to the present invention
  • FIG. 7 is a schematic front view illustrating a state wherein the side paper is fed from the first process to a second process in the methods for manufacturing the garbage strainer according to the present invention
  • FIG. 8 is an exploded perspective view illustrating an apparatus for coating the garbage strainer with a waterproofing solvent, which is used for implementing the step S7' in the process chart of FIG.
  • FIG. 9 is a side cross-sectional view illustrating an assembled status of the apparatus shown in FIG. 8;
  • FIG. 10 is a partially broken-away enlarged view for the "A" part of FIG. 9;
  • FIG. 11 is a partially broken-away perspective view illustrating the inside of strainer dispensing means which constitutes the coating apparatus according to the present invention.
  • FIGs. 12A through 12C are schematic side views for explaining sequential operations of the strainer dispensing means.
  • the disposable garbage strainer 10-1 for a kitchen sink includes a side paper 11-1 and a bottom paper 18-1.
  • the side paper 11-1 possesses a sector-shaped configuration.
  • a first vinyl coating layer 12-1 is formed all over at least one surface of the side paper 11-1, and aromatic plus waterproofing resm 13-1, an application detergent 14-1 and a parting agent 15-1 such as silicon powder are sequentially applied to the other surface of the side paper 11-1.
  • the side paper 11-1 is defined with first dram holes 16-1 which are spaced apart one from another by a desired distance.
  • the side paper 11-1 is formed with at least one adsorbing portion 17-1.
  • a second vinyl coating layer 12a-l is formed all over at least one surface of the bottom paper 18-1.
  • the bottom paper 18-1 is defined with second dram holes 16a-l.
  • the side paper 11-1 and the bottom paper 18-1 are heat-fused to each other in a state in which the bottom paper 18-1 is positioned at a lower end of the side paper 11-1 and the first vmyl coating layer 12-1 and the second vmyl coating layer 12a-l face each other while serving as inner surfaces of the side paper 11-1 and the bottom paper 18-1, respectively, thereby to define a cup-shaped configuration.
  • An upper end of the side paper 11-1 is curled outward to define an engaging portion 19-1.
  • a reason for forming the adsorbing portion 17-1 is to allow the side paper 11-1 which is completed in a first process of the manufacturing method to be fed to a next process m a state wherein it is adsorbed by an adsorption feeding mechanism T.
  • the adsorbing portion 17-1 can be formed m such a way as to define a circular, quadrangular, pentagonal or octagonal contour.
  • the waterproofing resm 13-1 is made by mixing epoxy resm and polyoxypropyleneamine at a ratio of 100:30 and then mixing the resultant compound with oily aromatic.
  • the application detergent 14-1 is made of trichloroisocyanu ⁇ c acid.
  • the parting agent 15-1 is made of silicon powder and functions to prevent garbage strainers 10-1 which are packed in a stacked status, from clinging one to another due to an adhesive constituent which is applied to each garbage strainer 10-1.
  • the waterproofing resm plus aromatic 13-1 which is applied to an outer surface of the side paper 11-1
  • the waterproofing resm is epoxy resm.
  • the waterproofing resm plus aromatic 13-1 is applied to the outer surface of the side paper 11-1 so that it performs a waterproofing function and serves to maintain integrity of the garbage strainer 10-1 when the garbage strainer 10-1 is fitted into a dram outlet of a kitchen sink (not shown) .
  • waterproofing resm is not limited to epoxy resm but can include equivalents which have similar properties to the epoxy resin.
  • the method for manufacturing the garbage strainer 10-1 is largely divided into a first process of producing the side paper 11-1, a second process of heat- fusing the side paper 11-1 and the bottom paper 18-1 to each other, and a third process of coating various application solvents to the side paper 11-1 and thereby completing the garbage strainer 10-1.
  • the first process is composed of a first step Sl-1 of punching a side paper material (not shown) which is supplied in a state in which the first vmyl coating layer 12-1 is formed on an inner surface thereof, to define the first drain holes 16-1 and at least one adsorbing portion 17-1, and a second step S2-1 of cutting the side paper material into a sector-shaped configuration, to complete a side paper 11-1 which includes the first drain holes 16-1 and at least one adsorbing portion 17-1.
  • the side paper 11-1 which undergone the first process has the sector-shaped configuration as shown in FIG. 6. It is to be noted that, when the side paper material is cut into the sector-shaped configuration, at least one side ends of the cut side paper must have a marginal portion of a predetermined length. This is to allow both ends of the side paper 11-1 to be adequately heat-fused to each other in the second process as will be described in detail below.
  • the second process is composed of a third step S3- 1 of feeding the side paper 11-1 by means of the adsorption feeding mechanism T (see FIG. 7) which adsorbs the adsorbing portion 17-1 of the completed side paper 11-1, a fourth step S4-1 of heat-fusing both ends of the side paper 11-1 to each other, a fifth step S5-1 of heat-fusing the bottom paper 18-1 which is supplied, to a lower end of the side paper 11-1, and a sixth step S6-1 of curling outward an upper end of the side paper 11-1.
  • the third process is composed of a seventh step S7-1 of spraying the mixed solvent of waterproofing resin plus aromatic 13-1 to an outer surface of a garbage strainer preform which is prepared by the second process, an eighth step S8-1 of sequentially applying the detergent powder 14-1 and the parting agent 15-1 such as silicon powder to the mixed solvent before the mixed solvent is dried, and a ninth step S9-1 of immediately packing the completed garbage strainer 10-1 without allowing the garbage strainer 10-1 to experience a drying course.
  • the disposable garbage strainer 10 for a kitchen sink includes a side paper 11 and a bottom paper 18.
  • the side paper 11 possesses a sector-shaped configuration.
  • a first vmyl coating layer 12 is formed all over at least one surface of the side paper 11, and a mixed solvent of paraffin plus aromatic 13 is applied to the other surface of the side paper 11.
  • the side paper 11 is defined with first dram holes 16 which are spaced apart one from another by a desired distance.
  • the side paper 11 is formed with at least one adsorbing portion 17.
  • a second vmyl coating layer 12a and a detergent-applied paper 15 are formed all over at least one surface of the bottom paper 18.
  • the bottom paper 18 is defined with second dram holes 16a.
  • the side paper 11 and the bottom paper 18 are heat-fused to each other in a state in which the bottom paper 18 is positioned at a lower end of the side paper 11 and the first v yl coating layer 12 and the second vmyl coating layer 12a face each other while serving as inner surfaces of the side paper 11 and the bottom paper 18, respectively, thereby to define a cup-shaped configuration.
  • An upper end of the side paper 11 is curled outward to define an engaging portion 19.
  • the paraffin plus aromatic 13 is adopted in place of the waterproofing resm plus aromatic 13-1 of the second embodiment of the present invention.
  • the paraffin plus aromatic 13 can be applied to an upper end, upper and lower ends, a middle part between the upper and lower ends, an inner surface or an outer surface of the garbage strainer 10.
  • the detergent-applied paper 15 having a predetermined size is attached to a bottom surface of the bottom paper 18.
  • a reason for forming the adsorbing portion 17 and contours which may be defined by the adsorbing portion 17 are the same as those in the case of the second embodiment as described above, and therefore, detailed descriptions thereof will be omitted herein.
  • the method for manufacturing the garbage strainer 10 is largely divided into a first process of producing the side paper 11, a second process of heat-fusing the side paper 11 and the bottom paper 18 to each other, and a third process of coating various application solvents to the side paper 11 and thereby completing the garbage strainer 10.
  • the third process of the manufacturing method is composed of a seventh step S7 of spraying a mixed solvent of the paraffin plus aromatic 13 to an outer surface of a garbage strainer preform which is prepared by the second process and then discharging the completed garbage strainer 10 by injecting compressed air, an eighth step S8 of attaching the detergent-applied paper 15 to the bottom surface of the bottom paper 18, and a ninth step S9 of immediately packing the garbage strainer 10 without allowing the garbage strainer 10 to experience a drying course.
  • a construction of an apparatus for coating the garbage strainer with the waterproofing solvent which is used for implementing the step ⁇ S7' in the process chart of FIG. 3, will be described in detail with reference to FIGs. 8 through 12.
  • the apparatus includes a body 100 in which a space for storing the paraffin plus aromatic 13 (hereinafter, referred to as "waterproofing solvent") and allowing it to be maintained in a liquid state, is defined, and a lower plate 200, a middle plate 300 and an upper plate 400 which are placed over the body 100 and to which component elements as described below are mounted.
  • waterproofing solvent a space for storing the paraffin plus aromatic 13
  • a middle plate 300 and an upper plate 400 which are placed over the body 100 and to which component elements as described below are mounted.
  • the body 100 has a double heat-msulatmg structure which includes heat insulating walls for maintaining the waterproofing solvent at a melted state.
  • Heating means 120 is disposed in the body 100 so that the waterproofing solvent can be maintained at a temperature of 70-80 ° C, that is, at the melted state.
  • a discharging port 130 for discharging the waterproofing solvent, that is, a paraffin constituent, is formed at a lower end of the body 100, an overflow discharging port 140 for discharging excessively supplied waterproofing solvent is formed at an upper end of the body 100.
  • the lower plate 200, the middle plate 300 and the upper plate 400 are sequentially placed over the body 100 in a manner such that they are spaced apart one from another by predetermined distances.
  • a cover 160 extends up to the upper plate 400 to close the space defined in the body 100.
  • a door 180 is provided to the cover 160 to enable access to the inside of the apparatus.
  • the lower plate 200 and the upper plate 400 are fixed to a supporting structure, and the middle plate 300 which is intervened between the lower plate 200 and the upper plate 400, is rotatably secured to a shaft which is supported by the lower plate 200.
  • a center shaft 220 which is rotatably supported by a bearing (not shown) and has a predetermined height, is up ⁇ ghted at a center portion of the lower plate 200.
  • Supporting posts 240 are fastened to an upper surface of the lower plate 200 around the center shaft 220 along a circumferential direction in such a way as to be spaced apart one from another by a predetermined angle.
  • an air injecting nozzle 260 Adjacent to an edge of the lower plate 200, an air injecting nozzle 260 is installed on the lower plate 200 to inject compressed air which is supplied from a pneumatic pressure generator (compressor).
  • the air injecting nozzle 260 is supported by a cushion spring 260a in a manner such that it projects upward from the upper surface of the lower plate 200 by a preset distance and thereby it can be always brought into contact with a lower surface of the middle plate 300.
  • the compressed air which is to be injected through the air injecting nozzle 260 flow through a heater as shown in FIG. 9 to be heated to a proper temperature so as to prevent the waterproofing solvent, that is, the paraffin constituent, from being solidified.
  • a cushioner 270 which functions to simply support the middle plate 300 while cooperating with the air injecting nozzle 260, is elastically biased upward by a cushion spring 270a.
  • the middle plate 300 is positioned above the lower plate 200.
  • the middle plate 300 is fitted around and thereby secured to the center shaft 220 of the lower plate 200.
  • Mold supporting pipes 320 are affixed to an upper surface of the middle plate 300 along the circumferential direction in such a way as to be spaced apart one from another by a preset angle.
  • the mold supporting pipes 320 define air passages 330 therethrough.
  • the air injecting nozzle 260 is located at the same radial distance from a center of the center shaft 220 as the mold supporting pipes 320.
  • Molds 340 are respectively fitted around the mold supporting pipes 320 in a manner such that garbage strainer preforms can be respectively nested on the molds 340.
  • Each mold 340 possesses a cup-shaped contour.
  • the upper plate 400 is positioned above the middle plate 300.
  • the center shaft 220 of the lower plate 200 passes through the upper plate 400.
  • the upper plate 400 is fastened to the supporting posts 240 of the lower plate 200.
  • the upper plate 400 is structured as described below.
  • Driving means 410 serves to rotate the center shaft 220 and the middle plate 300 which is secured to the center shaft 220, at a predetermined rotational velocity.
  • Strainer dispensing means 430 is connected to a link 420 to drop garbage strainer preforms to be coated with the waterproofing solvent onto the molds 340 one by one.
  • the strainer dispensing means 430 has a dispenser housing 430-1.
  • the link 420 is eccentrically coupled to the driving means 410.
  • a waterproofing solvent spraying nozzle 440 is arranged at a post- process position of the strainer dispensing means 430 to spray pumped waterproofing solvent to the outer surface of the garbage strainer preform which is nested on the mold 340.
  • Re-coatmg means 450 is placed at a post- process position of the waterproofing solvent spraying nozzle 440 to evenly re-coat waterproofing solvent which is coated on the garbage strainer preform.
  • a discharging chute 460 functions to guide discharge of completed garbage strainer 10 which is passed through the re- coating means 450, when the air injecting nozzle 260 of the lower plate 200 is communicated with the air passage 330 which is defined through the mold supporting pipe 320.
  • An optical sensor 470 is interposed between the strainer dispensing means 430 and the waterproofing solvent spraying nozzle 440 to sense wrong dropping of the garbage strainer preform.
  • a control section 480 receives a sensing signal from the optical sensor 470 and controls operation of the driving means 410.
  • the driving means 410 includes a geared motor 410- 1 having a reduction gear, a driving gear 410-2 secured to an output shaft of the geared motor 410-1 and having a cam 410-3 which is anchored to a lower end of the driving gear 410-2 and to which the link 420 is eccentrically coupled, an intermediate gear 410-4 which is meshed with the driving gear 410-2, and a driven gear 410-5 which is meshed with the intermediate gear 410-4 and secured to the center shaft 220 of the lower plate 200.
  • the strainer dispensing means 430 includes an internal gear 430-2 which is connected with the link 420 and is formed with teeth on a circumferential inner surface thereof, and a plurality of cam gears 430-4 which are meshed with the internal gear 430-2 while they are spaced apart one from another along a circumferential direction by a preselected angle and each of which is formed with multi-stepwise cam surfaces 430-3 and 430-3' so that, as the cam gears 430-4 are rotated, stacked garbage strainer preforms can be dropped downward one by one.
  • the re-coating means 450 functions to evenly re-coat waterproofing solvent which is coated on the outer surface of the garbage strainer preform by the waterproofing solvent spraying nozzle 440.
  • the re-coating means 450 includes a motor 450-1 which is installed at an optional location on the upper plate 400, and a brush 450-2 which is secured to a driving shaft of the motor 450-1 and evenly re-coats the waterproofing solvent coated on the garbage strainer preform.
  • the geared motor 410-1 As power is supplied to the apparatus, the geared motor 410-1 is driven, and driving force of the geared motor 410-1 rotates the driving gear 410-2 which is secured to the output shaft of the geared motor 410-1, the intermediate gear 410-4 which is meshed with the driving gear 410-2, and the driven gear 410-5 which is meshed with the intermediate gear 410-4.
  • the center shaft 220 of the lower plate 200, to which the driven gear 410-5 is secured is rotated integrally with the middle plate 300.
  • a lowermost garbage strainer preform is initially located on upper cam surfaces 430-3 of the cam gears 430-4 (see FIG. 12A) .
  • the upper cam surfaces 430-3 are freed from a supporting position where the lowermost garbage strainer preform is supported by the cam gears 430-4, and at the same time, the lowermost garbage strainer preform is supported by lower cam surfaces 430-3' (see FIG. 12B) .
  • the garbage strainer preforms are dropped one by one while having a predetermined delay time, onto the molds 340 which are fitted around the mold supporting pipes 320 which in turn are affixed to the upper surface of the middle plate 300 along the circumferential direction in such a way as to be spaced apart one from another by the preset angle .
  • the apparatus according to the present invention is composed of a number of component elements, the garbage strainer preform may not be properly nested on the mold 340 in such a way as to be jammed between two adjoining molds 340.
  • the optical sensor 470 is installed on a lower surface of the upper plate 400 to sense the preform jammed between two adjoining molds 340.
  • the control section 480 receives a sensing signal from the optical sensor 470 and controls operation of the driving means 410.
  • the preform which is not properly nested on the mold 340 can be removed through the door 180 of the cover 160.
  • the garbage strainer preform which is dropped from the strainer dispensing means 430 and nested on the mold 340, is rotated toward a spraying area of the waterproofing solvent spraying nozzle 440.
  • the waterproofing solvent spraying nozzle 440 pumps waterproofing solvent which is stored in the body 100 and then sprays the waterproofing solvent to the outer surface of the garbage strainer preform.
  • the coated preform undergoes a re- coatmg process where the waterproofing solvent is evenly re-coated on the outer surface of the garbage strainer preform by the brush 450-2 of the re-coatmg means 450.
  • a spatter preventing cover 490 is arranged in the vicinity of the brush 450-2 so that waterproofing solvent which is spattered from the brush 450-2 by centrifugal force generated in the brush 450-2, is prevented from exerting an adverse influence on adjoining preforms.
  • the completed garbage strainer 10 is discharged out of the apparatus through the discharging chute 460.
  • the waterproofing solvent 13 has the paraffin constituent which is sensitive to a temperature, the compressed air to be injected flows through the heater so as to prevent a temperature from being decreased.
  • the disposable garbage strainer for a kitchen sink provides advantages in that, since debris such as garbage is dumped along with the disposable strainer, the kitchen sink can be cleanly maintained, and, since the strainer is coated with waterproofing resm (epoxy resm or paraffin) , integrity of the strainer is not deteriorated. Above all things, it is important that, because an application detergent or a detergent-applied paper is additionally afforded to the strainer, sterilization and deodorization of the strained garbage is ensured. Also, due to the fact that the disposable garbage strainer retains an aromatic constituent which emits a sweet fragrance, disgust can be avoided. Moreover, since the conventional unsanitary dram trap is not needed in the kitchen sink, sa tariness of the kitchen sink is guaranteed.
  • waterproofing resm epoxy resm or paraffin
  • the waterproofing solvent can be coated to the strainer in a more stable manner. Further, because the waterproofing solvent is always maintained at a predetermined constant temperature, the waterproofing solvent (paraffin) is prevented from being hardened, and, because the entire apparatus has reduced size and volume in such a way as to accomplish compactness, a manufacturing cost can be reduced and a required space can be diminished.

Abstract

Disclosed are a disposable garbage strainer for a kitchen sink, a method for manufacturing the same, and an apparatus for coating the same. The disposable garbage strainer functions to strain garbage which is produced when washing dishes, so as to prevent the garbage from being discharged as it is, serves to remove microorganisms and offensive odors which are generated in the garbage, and has an aromatic constituent which emits a sweet fragrance. The disposable garbage strainer is manufactured in a manner such that a side paper and a bottom paper are thermally fused to each other to define a cup-shaped configuration. An outer or entire surface of the disposable garbage strainer is coated with waterproofing resin or paraffin, in such a way as to ensure watertightness and integrity of the strainer. Application-purpose detergent or detergent-applied paper is additionally provided to accomplish sterilization and deodorization of garbage.

Description

DISPOSABLE GARBAGE STRAINER FOR KITCHEN SINK, METHOD FOR MANUFACTURING THE SAME, AND APPARATUS FOR COATING THE SAME
Technical Field
The present invention relates to a disposable garbage strainer for a kitchen sink, a method for manufacturing the same, and an apparatus for coating the same with a waterproofing solvent, and more particularly, the present invention relates to a disposable garbage strainer for a kitchen sink, which functions to strain garbage produced while washing dishes, thereby to prevent the garbage from being discharged as it is, serves to remove microorganisms and offensive odors generated in the garbage, and retains an aromatic constituent which emits a sweet fragrance, a method for manufacturing the same, and an apparatus for coating the same with a waterproofing solvent.
Background Art
Generally, a kitchen sink is defined with a dram outlet through which water is discharged. A drain trap is fitted into the drain outlet so that garbage which is produced while washing dishes, is filtered, thereby to prevent the garbage from being discharged as it is, through the drain outlet.
However, while the conventional drain trap adequately performs a function of filtering debris such as garbage, it is encountered with a problem in that, since it must be re-used after filtered garbage is removed therefrom, a person who washes dishes, can be disgusted with the procedure of removing the filtered garbage and re-fitting the drain trap into the drain outlet. Also, as the drain trap is used through a multitude of times, because the drain trap as a whole is stained with filth, a condition under which microorganisms can easily propagate, is created, whereby unsamtariness is caused. Moreover, due to the fact that the filtered garbage is easily caught in the drain trap, it is difficult to sufficiently remove the garbage from the drain trap.
To cope with these drawbacks, in place of the drain trap, a disposable garbage strainer which is defined with drain holes in a side wall thereof and which is made of paper, has been disclosed in the art. Nevertheless, since the conventional disposable garbage strainer is manufactured by simply defining the drain holes in the side wall of a cup-shaped container, it has a limitation in that it fails to escape from the construction of the conventional drain trap. Further, although vinyl coating is applied the entire surface of the strainer, because the strainer is always held wetted, as water smears into material of the strainer, the integrity of the strainer cannot be properly maintained, and a bottom wall of the strainer is apt to be detached from the side wall. Furthermore, because a function of the conventional garbage strainer for a kitchen sink is restricted to straining of garbage, offensive odors which are generated in the garbage, cannot be properly dealt with, whereby unsamtariness is still caused in the conventional disposable garbage strainer . On the other hand, in recent years, in order to remove offensive odors which are generated in the garbage filtered by the drain trap, a sink ball which is produced using trichloroisocyanuπc acid to have a flat annular configuration and is used in a state wherein it is received in the drain trap, has been proposed in the art by LG Chemical, Ltd. This offensive odor controlling agent reacts with water to render intensive sterilizing and deodorizing effects. However, as the likelihood of the sink ball to be removed together with the garbage filtered by the drain trap, is increased, inconvenience is induced upon using the sink ball, and unsamtariness is yet still caused. Besides, by the fact that a using term of the sink ball is relatively short in view of a selling price thereof, an economical burden cannot but be imposed on a user.
Disclosure of the Invention
Accordingly, the present invention has been made in an effort to solve the problems occurring in the related art, and an object of the present invention is to provide a disposable garbage strainer for a kitchen sink, which functions to strain garbage produced while washing dishes, thereby to prevent the garbage from being discharged as it is, serves to remove microorganisms and offensive odors generated in the garbage, and retains an aromatic constituent which emits a sweet fragrance, a method for manufacturing the same, and an apparatus for coating the same with a waterproofing solvent. In order to achieve the above object, according to one aspect of the present invention, there is provided a disposable garbage strainer for a kitchen sink, comprising: a side paper of a sector-shaped configuration, in which a first vinyl coating layer is formed all over at least one surface and a mixed solvent of paraffin plus aromatic is applied to the other surface, the side paper being defined with first dram holes spaced apart one from another by a desired distance and being formed with at least one adsorbing portion; and a bottom paper in which a second vinyl coating layer and a detergent-applied paper are formed all over at least one surface, the bottom paper being defined with second dra holes; wherein the side paper and the bottom paper are heat-fused to each other in a state in which the bottom paper is positioned at a lower end of the side paper and the first vinyl coating layer and the second vinyl coating layer face each other while serving as inner surfaces of the side paper and the bottom paper, respectively, thereby to define a cup- shaped configuration, and an upper end of the side paper is curled outward to define an engaging portion.
According to another aspect of the present invention, there is provided a disposable garbage strainer for a kitchen sink, comprising: a side paper of a sector-shaped configuration, in which a first vinyl coating layer is formed all over at least one surface and aromatic plus waterproofing resin, an application detergent and a parting agent such as silicon powder are sequentially applied to the other surface, the side paper being defined with first dram holes spaced apart one from another by a desired distance and being formed with at least one adsorbing portion; and a bottom paper in which a second vinyl coating layer is formed all over at least one surface, the bottom paper being defined with second dram holes; wherein the side paper and the bottom paper are heat-fused to each other in a state in which the bottom paper is positioned at a lower end of the side paper and the first vinyl coating layer and the second vinyl coating layer face each other while serving as inner surfaces of the side paper and the bottom paper, respectively, thereby to define a cup-shaped configuration, and an upper end of the side paper is curled outward to define an engaging portion.
According to another aspect of the present invention, there is provided a method for manufacturing a disposable garbage strainer, comprising: a first process having a first step of punching a side paper material which is supplied in a state in which a first vinyl coating layer is formed on an inner surface thereof, to define first dram holes and at least one adsorbing portion, and a second step of cutting the side paper material into a sector-shaped configuration, to complete a side paper which includes the dram holes and at least one adsorbing portion; a second process having a third step of feeding the side paper by means of an adsorption feeding mechanism which adsorbs the adsorbing portion of the completed side paper, a fourth step of heat-fusing both ends of the side paper to each other, a fifth step of heat-fusing a bottom paper which is supplied, to a lower end of the side paper, and a sixth step of curling outward an upper end of the side paper; and a third process having a seventh step of spraying a mixed solvent of paraffin plus aromatic to an outer surface of a garbage strainer preform which is prepared by the second process and then discharging the completed garbage strainer by injecting compressed air, an eighth step of attaching a detergent-applied paper to a bottom surface of the bottom paper, and a ninth step of immediately packing the garbage strainer without allowing the garbage strainer to experience a drying course . According to still another aspect of the present invention, there is provided a method for manufacturing a disposable garbage strainer, comprising: a first process having a first step of punching a side paper material which is supplied in a state in which a first vinyl coating layer is formed on an inner surface thereof, to define first dram holes and at least one adsorbing portion, and a second step of cutting the side paper material into a sector-shaped configuration, to complete a side paper which includes the dram holes and at least one adsorbing portion; a second process having a third step of feeding the side paper by means of an adsorption feeding mechanism which adsorbs the adsorbing portion of the completed side paper, a fourth step of heat-fusing both ends of the side paper to each other, a fifth step of heat-fusing a bottom paper which is supplied, to a lower end of the side paper, and a sixth step of curling outward an upper end of the side paper; and a third process having a seventh step of spraying a mixed solvent of waterproofing resm plus aromatic to an outer surface of a garbage strainer preform which is prepared by the second process, an eighth step of sequentially applying detergent powder and a parting agent such as silicon powder to the mixed solvent before the mixed solvent is dried, and a ninth step of immediately packing the completed garbage strainer without allowing the garbage strainer to experience a drying course.
According to yet still another aspect of the present invention, there is provided an apparatus for coating a disposable garbage strainer with a waterproofing solvent, comprising: a body for storing the waterproofing solvent such as paraffin, the body including a double heat-msulatmg arrangement and heating means which enable the waterproofing solvent to be maintained at a predetermined high temperature; a lower plate mounted to an upper end of the body, the lower plate having a center shaft of a predetermined height, which is rotatably upπghted at a center portion of the lower plate, supporting posts which are fastened to an upper surface of the lower plate around the center shaft along a circumferential direction in such a way as to be spaced apart one from another by a predetermined angle, and an air injecting nozzle which is installed on the lower plate to inject compressed air; a middle plate secured to the center shaft above the lower plate, the middle shaft having mold supporting pipes which are affixed to an upper surface of the middle plate along the circumferential direction in such a way as to be spaced apart one from another by a preset angle and define air passages, and molds which are respectively fitted around the mold supporting pipes and each of which has a cup-shaped contour; and an upper plate fastened to the supporting posts of the lower plate above the middle plate, the upper plate having driving means for rotating the center shaft and the middle plate secured thereto at a predetermined rotational velocity, strainer dispensing means which is connected to a link to drop garbage strainer preforms to be coated with the waterproofing solvent onto the molds one by one, which link is eccentrically coupled to the driving means, a waterproofing solvent spraying nozzle which is arranged at a post-process position of the strainer dispensing means to spray pumped waterproofing solvent to an outer surface of the garbage strainer preform nested on the mold, re-coatmg means which is placed at a post-process position of the waterproofing solvent spraying nozzle to evenly re-coat waterproofing solvent coated on the garbage strainer preform, a discharging chute for guiding discharge of completed garbage strainer which is passed through the re-coatmg means, when the air injecting nozzle of the lower plate is communicated with the air passage defined through the mold supporting pipe, an optical sensor disposed between the strainer dispensing means and the waterproofing solvent spraying nozzle to sense wrong dropping of the garbage strainer preform, and a control section which receives a sensing signal from the optical sensor and controls operation of the driving means.
Brief Description of the Drawings
The above objects, and other features and advantages of the present invention will become more apparent after a reading of the following detailed description when taken in conjunction with the drawings, in which:
FIG. 1 is a perspective view illustrating a disposable garbage strainer for a kitchen sink, in accordance with a first embodiment of the present invention;
FIG. 2 is a partially enlarged cross-sectional view taken along the line A-A of FIG. 1 ;
FIG. 3 is a process chart for explaining a method for manufacturing the garbage strainer shown in FIGs. 1 and 2;
FIG. 4 is a partially enlarged cross-sectional view illustrating a disposable garbage strainer for a kitchen sink, accordance with a second embodiment of the present invention;
FIG. 5 is a process chart for explaining a method for manufacturing the garbage strainer shown in FIG. 4;
FIG. 6 is a plan view illustrating a side paper which is formed by a first process in the methods for manufacturing the garbage strainer accordmg to the present invention;
FIG. 7 is a schematic front view illustrating a state wherein the side paper is fed from the first process to a second process in the methods for manufacturing the garbage strainer according to the present invention;
FIG. 8 is an exploded perspective view illustrating an apparatus for coating the garbage strainer with a waterproofing solvent, which is used for implementing the step S7' in the process chart of FIG.
3; FIG. 9 is a side cross-sectional view illustrating an assembled status of the apparatus shown in FIG. 8;
FIG. 10 is a partially broken-away enlarged view for the "A" part of FIG. 9; FIG. 11 is a partially broken-away perspective view illustrating the inside of strainer dispensing means which constitutes the coating apparatus according to the present invention; and
FIGs. 12A through 12C are schematic side views for explaining sequential operations of the strainer dispensing means.
Best Mode for Carrying Out the Invention Reference will now be made in greater detail to a preferred embodiment of the invention, an example of which is illustrated in the accompanying drawings. Wherever possible, the same reference numerals will be used throughout the drawings and the description to refer to the same or like parts.
First, a disposable garbage strainer for a kitchen sink, in accordance with a second embodiment of the present invention, and a manufacturing method thereof will be described with reference to FIGs. 4 and 5.
The disposable garbage strainer 10-1 for a kitchen sink according to the second embodiment of the present invention includes a side paper 11-1 and a bottom paper 18-1. The side paper 11-1 possesses a sector-shaped configuration. A first vinyl coating layer 12-1 is formed all over at least one surface of the side paper 11-1, and aromatic plus waterproofing resm 13-1, an application detergent 14-1 and a parting agent 15-1 such as silicon powder are sequentially applied to the other surface of the side paper 11-1. The side paper 11-1 is defined with first dram holes 16-1 which are spaced apart one from another by a desired distance. The side paper 11-1 is formed with at least one adsorbing portion 17-1. A second vinyl coating layer 12a-l is formed all over at least one surface of the bottom paper 18-1. The bottom paper 18-1 is defined with second dram holes 16a-l. The side paper 11-1 and the bottom paper 18-1 are heat-fused to each other in a state in which the bottom paper 18-1 is positioned at a lower end of the side paper 11-1 and the first vmyl coating layer 12-1 and the second vmyl coating layer 12a-l face each other while serving as inner surfaces of the side paper 11-1 and the bottom paper 18-1, respectively, thereby to define a cup-shaped configuration. An upper end of the side paper 11-1 is curled outward to define an engaging portion 19-1.
As will be described later in association with the manufacturing method of the disposable garbage strainer, a reason for forming the adsorbing portion 17-1 is to allow the side paper 11-1 which is completed in a first process of the manufacturing method to be fed to a next process m a state wherein it is adsorbed by an adsorption feeding mechanism T. Depending upon a profile of the adsorption feeding mechanism T, the adsorbing portion 17-1 can be formed m such a way as to define a circular, quadrangular, pentagonal or octagonal contour.
Also, the waterproofing resm 13-1 is made by mixing epoxy resm and polyoxypropyleneamine at a ratio of 100:30 and then mixing the resultant compound with oily aromatic. Further, the application detergent 14-1 is made of trichloroisocyanuπc acid. The parting agent 15-1 is made of silicon powder and functions to prevent garbage strainers 10-1 which are packed in a stacked status, from clinging one to another due to an adhesive constituent which is applied to each garbage strainer 10-1.
In the waterproofing resm plus aromatic 13-1 which is applied to an outer surface of the side paper 11-1, the waterproofing resm is epoxy resm. The waterproofing resm plus aromatic 13-1 is applied to the outer surface of the side paper 11-1 so that it performs a waterproofing function and serves to maintain integrity of the garbage strainer 10-1 when the garbage strainer 10-1 is fitted into a dram outlet of a kitchen sink (not shown) .
A person skilled in the art will readily recognize that the waterproofing resm is not limited to epoxy resm but can include equivalents which have similar properties to the epoxy resin.
The method for manufacturing the garbage strainer 10-1 is largely divided into a first process of producing the side paper 11-1, a second process of heat- fusing the side paper 11-1 and the bottom paper 18-1 to each other, and a third process of coating various application solvents to the side paper 11-1 and thereby completing the garbage strainer 10-1.
First, the first process is composed of a first step Sl-1 of punching a side paper material (not shown) which is supplied in a state in which the first vmyl coating layer 12-1 is formed on an inner surface thereof, to define the first drain holes 16-1 and at least one adsorbing portion 17-1, and a second step S2-1 of cutting the side paper material into a sector-shaped configuration, to complete a side paper 11-1 which includes the first drain holes 16-1 and at least one adsorbing portion 17-1.
The side paper 11-1 which undergone the first process, has the sector-shaped configuration as shown in FIG. 6. It is to be noted that, when the side paper material is cut into the sector-shaped configuration, at least one side ends of the cut side paper must have a marginal portion of a predetermined length. This is to allow both ends of the side paper 11-1 to be adequately heat-fused to each other in the second process as will be described in detail below.
The second process is composed of a third step S3- 1 of feeding the side paper 11-1 by means of the adsorption feeding mechanism T (see FIG. 7) which adsorbs the adsorbing portion 17-1 of the completed side paper 11-1, a fourth step S4-1 of heat-fusing both ends of the side paper 11-1 to each other, a fifth step S5-1 of heat-fusing the bottom paper 18-1 which is supplied, to a lower end of the side paper 11-1, and a sixth step S6-1 of curling outward an upper end of the side paper 11-1.
The third process is composed of a seventh step S7-1 of spraying the mixed solvent of waterproofing resin plus aromatic 13-1 to an outer surface of a garbage strainer preform which is prepared by the second process, an eighth step S8-1 of sequentially applying the detergent powder 14-1 and the parting agent 15-1 such as silicon powder to the mixed solvent before the mixed solvent is dried, and a ninth step S9-1 of immediately packing the completed garbage strainer 10-1 without allowing the garbage strainer 10-1 to experience a drying course.
Next, a disposable garbage strainer for a kitchen sink, in accordance with a first embodiment of the present invention, and a manufacturing method thereof will be described with reference to FIGs. 1 through 3. The disposable garbage strainer 10 for a kitchen sink according to the first embodiment of the present invention includes a side paper 11 and a bottom paper 18. The side paper 11 possesses a sector-shaped configuration. A first vmyl coating layer 12 is formed all over at least one surface of the side paper 11, and a mixed solvent of paraffin plus aromatic 13 is applied to the other surface of the side paper 11. The side paper 11 is defined with first dram holes 16 which are spaced apart one from another by a desired distance. The side paper 11 is formed with at least one adsorbing portion 17. A second vmyl coating layer 12a and a detergent-applied paper 15 are formed all over at least one surface of the bottom paper 18. The bottom paper 18 is defined with second dram holes 16a. The side paper 11 and the bottom paper 18 are heat-fused to each other in a state in which the bottom paper 18 is positioned at a lower end of the side paper 11 and the first v yl coating layer 12 and the second vmyl coating layer 12a face each other while serving as inner surfaces of the side paper 11 and the bottom paper 18, respectively, thereby to define a cup-shaped configuration. An upper end of the side paper 11 is curled outward to define an engaging portion 19.
In the garbage strainer 10 according to this first embodiment of the present invention, the paraffin plus aromatic 13 is adopted in place of the waterproofing resm plus aromatic 13-1 of the second embodiment of the present invention. The paraffin plus aromatic 13 can be applied to an upper end, upper and lower ends, a middle part between the upper and lower ends, an inner surface or an outer surface of the garbage strainer 10.
Other than the garbage strainer 10-1 according to the second embodiment of the present invention, in which the detergent 14-1 is applied to the outer surface of the side paper 11-1, in the garbage strainer 10 according to this first embodiment of the present invention, the detergent-applied paper 15 having a predetermined size is attached to a bottom surface of the bottom paper 18.
A reason for forming the adsorbing portion 17 and contours which may be defined by the adsorbing portion 17 are the same as those in the case of the second embodiment as described above, and therefore, detailed descriptions thereof will be omitted herein.
The method for manufacturing the garbage strainer 10 is largely divided into a first process of producing the side paper 11, a second process of heat-fusing the side paper 11 and the bottom paper 18 to each other, and a third process of coating various application solvents to the side paper 11 and thereby completing the garbage strainer 10.
Because the first and second processes are the same as those in the case of the second embodiment as described above, descriptions thereof will be omitted herein .
In the present first embodiment, the third process of the manufacturing method is composed of a seventh step S7 of spraying a mixed solvent of the paraffin plus aromatic 13 to an outer surface of a garbage strainer preform which is prepared by the second process and then discharging the completed garbage strainer 10 by injecting compressed air, an eighth step S8 of attaching the detergent-applied paper 15 to the bottom surface of the bottom paper 18, and a ninth step S9 of immediately packing the garbage strainer 10 without allowing the garbage strainer 10 to experience a drying course. Hereinafter, a construction of an apparatus for coating the garbage strainer with the waterproofing solvent, which is used for implementing the step λS7' in the process chart of FIG. 3, will be described in detail with reference to FIGs. 8 through 12. The apparatus includes a body 100 in which a space for storing the paraffin plus aromatic 13 (hereinafter, referred to as "waterproofing solvent") and allowing it to be maintained in a liquid state, is defined, and a lower plate 200, a middle plate 300 and an upper plate 400 which are placed over the body 100 and to which component elements as described below are mounted.
The body 100 has a double heat-msulatmg structure which includes heat insulating walls for maintaining the waterproofing solvent at a melted state. Heating means 120 is disposed in the body 100 so that the waterproofing solvent can be maintained at a temperature of 70-80 ° C, that is, at the melted state. A discharging port 130 for discharging the waterproofing solvent, that is, a paraffin constituent, is formed at a lower end of the body 100, an overflow discharging port 140 for discharging excessively supplied waterproofing solvent is formed at an upper end of the body 100.
The lower plate 200, the middle plate 300 and the upper plate 400 are sequentially placed over the body 100 in a manner such that they are spaced apart one from another by predetermined distances. A cover 160 extends up to the upper plate 400 to close the space defined in the body 100. A door 180 is provided to the cover 160 to enable access to the inside of the apparatus.
The lower plate 200 and the upper plate 400 are fixed to a supporting structure, and the middle plate 300 which is intervened between the lower plate 200 and the upper plate 400, is rotatably secured to a shaft which is supported by the lower plate 200. Concretely speaking, a center shaft 220 which is rotatably supported by a bearing (not shown) and has a predetermined height, is upπghted at a center portion of the lower plate 200. Supporting posts 240 are fastened to an upper surface of the lower plate 200 around the center shaft 220 along a circumferential direction in such a way as to be spaced apart one from another by a predetermined angle. Adjacent to an edge of the lower plate 200, an air injecting nozzle 260 is installed on the lower plate 200 to inject compressed air which is supplied from a pneumatic pressure generator (compressor). The air injecting nozzle 260 is supported by a cushion spring 260a in a manner such that it projects upward from the upper surface of the lower plate 200 by a preset distance and thereby it can be always brought into contact with a lower surface of the middle plate 300. On the other hand, it is preferred that the compressed air which is to be injected through the air injecting nozzle 260, flow through a heater as shown in FIG. 9 to be heated to a proper temperature so as to prevent the waterproofing solvent, that is, the paraffin constituent, from being solidified. Also, at a position which is opposite to the air injecting nozzle 260, a cushioner 270 which functions to simply support the middle plate 300 while cooperating with the air injecting nozzle 260, is elastically biased upward by a cushion spring 270a. In the meanwhile, the middle plate 300 is positioned above the lower plate 200. The middle plate 300 is fitted around and thereby secured to the center shaft 220 of the lower plate 200. Mold supporting pipes 320 are affixed to an upper surface of the middle plate 300 along the circumferential direction in such a way as to be spaced apart one from another by a preset angle. The mold supporting pipes 320 define air passages 330 therethrough. In this connection, the air injecting nozzle 260 is located at the same radial distance from a center of the center shaft 220 as the mold supporting pipes 320.
Molds 340 are respectively fitted around the mold supporting pipes 320 in a manner such that garbage strainer preforms can be respectively nested on the molds 340. Each mold 340 possesses a cup-shaped contour. On the other hand, the upper plate 400 is positioned above the middle plate 300. The center shaft 220 of the lower plate 200 passes through the upper plate 400. The upper plate 400 is fastened to the supporting posts 240 of the lower plate 200. The upper plate 400 is structured as described below.
Driving means 410 serves to rotate the center shaft 220 and the middle plate 300 which is secured to the center shaft 220, at a predetermined rotational velocity. Strainer dispensing means 430 is connected to a link 420 to drop garbage strainer preforms to be coated with the waterproofing solvent onto the molds 340 one by one. The strainer dispensing means 430 has a dispenser housing 430-1. The link 420 is eccentrically coupled to the driving means 410. A waterproofing solvent spraying nozzle 440 is arranged at a post- process position of the strainer dispensing means 430 to spray pumped waterproofing solvent to the outer surface of the garbage strainer preform which is nested on the mold 340. Re-coatmg means 450 is placed at a post- process position of the waterproofing solvent spraying nozzle 440 to evenly re-coat waterproofing solvent which is coated on the garbage strainer preform. A discharging chute 460 functions to guide discharge of completed garbage strainer 10 which is passed through the re- coating means 450, when the air injecting nozzle 260 of the lower plate 200 is communicated with the air passage 330 which is defined through the mold supporting pipe 320. An optical sensor 470 is interposed between the strainer dispensing means 430 and the waterproofing solvent spraying nozzle 440 to sense wrong dropping of the garbage strainer preform. A control section 480 receives a sensing signal from the optical sensor 470 and controls operation of the driving means 410.
The driving means 410 includes a geared motor 410- 1 having a reduction gear, a driving gear 410-2 secured to an output shaft of the geared motor 410-1 and having a cam 410-3 which is anchored to a lower end of the driving gear 410-2 and to which the link 420 is eccentrically coupled, an intermediate gear 410-4 which is meshed with the driving gear 410-2, and a driven gear 410-5 which is meshed with the intermediate gear 410-4 and secured to the center shaft 220 of the lower plate 200.
The strainer dispensing means 430 includes an internal gear 430-2 which is connected with the link 420 and is formed with teeth on a circumferential inner surface thereof, and a plurality of cam gears 430-4 which are meshed with the internal gear 430-2 while they are spaced apart one from another along a circumferential direction by a preselected angle and each of which is formed with multi-stepwise cam surfaces 430-3 and 430-3' so that, as the cam gears 430-4 are rotated, stacked garbage strainer preforms can be dropped downward one by one.
In the meanwhile, the re-coating means 450 functions to evenly re-coat waterproofing solvent which is coated on the outer surface of the garbage strainer preform by the waterproofing solvent spraying nozzle 440. The re-coating means 450 includes a motor 450-1 which is installed at an optional location on the upper plate 400, and a brush 450-2 which is secured to a driving shaft of the motor 450-1 and evenly re-coats the waterproofing solvent coated on the garbage strainer preform.
Herembelow, operations of the apparatus for coating the garbage strainer with the waterproofing solvent, constructed as mentioned above, will be described in detail.
As power is supplied to the apparatus, the geared motor 410-1 is driven, and driving force of the geared motor 410-1 rotates the driving gear 410-2 which is secured to the output shaft of the geared motor 410-1, the intermediate gear 410-4 which is meshed with the driving gear 410-2, and the driven gear 410-5 which is meshed with the intermediate gear 410-4. According to this, the center shaft 220 of the lower plate 200, to which the driven gear 410-5 is secured, is rotated integrally with the middle plate 300.
At the same time, due to the fact that the link 420 which is eccentrically coupled to the cam 410-3 of the driving gear 410-2, is connected with the internal gear 430-2 of the strainer dispensing means 430, the internal gear 430-2 is rotated and reciprocated by the link 420. The cam gears 430-4 which are meshed with the internal gear 430-2 and are spaced apart one from another along the circumferential direction by the preselected angle, are also rotated and reciprocated in an interlocked manner with the internal gear 430-2. Here, operations of the cam gears 430-4 will be described in detail with reference to FIGs. 12A through 12C. In a state wherein the garbage strainer preforms are stacked one up another in a vertical direction m the strainer dispensing means 430, a lowermost garbage strainer preform is initially located on upper cam surfaces 430-3 of the cam gears 430-4 (see FIG. 12A) . In this situation, as the internal gear 430-2 and the cam gears 430-4 are rotated in one direction, the upper cam surfaces 430-3 are freed from a supporting position where the lowermost garbage strainer preform is supported by the cam gears 430-4, and at the same time, the lowermost garbage strainer preform is supported by lower cam surfaces 430-3' (see FIG. 12B) .
In this condition, as the internal gear 430-2 and the cam gears 430-4 are rotated in a reverse direction, while the cam gears 430-4 are returned to the supporting position as shown in FIG. 12A, as the lower cam surfaces 430-3' are freed from their supporting position not to support the lowermost garbage strainer preform, the lowermost garbage strainer preform is dropped downward and at the same time, the upper cam surfaces 430-3 are returned to their original supporting position to support a next lowermost garbage strainer preform (see FIG. 12C) . These operations are repeatedly conducted.
In the above operations, the garbage strainer preforms are dropped one by one while having a predetermined delay time, onto the molds 340 which are fitted around the mold supporting pipes 320 which in turn are affixed to the upper surface of the middle plate 300 along the circumferential direction in such a way as to be spaced apart one from another by the preset angle . At this time, a problem can be caused in that, since the apparatus according to the present invention is composed of a number of component elements, the garbage strainer preform may not be properly nested on the mold 340 in such a way as to be jammed between two adjoining molds 340. To solve this problem, the optical sensor 470 is installed on a lower surface of the upper plate 400 to sense the preform jammed between two adjoining molds 340. And, the control section 480 receives a sensing signal from the optical sensor 470 and controls operation of the driving means 410. The preform which is not properly nested on the mold 340, can be removed through the door 180 of the cover 160.
On the other hand, the garbage strainer preform which is dropped from the strainer dispensing means 430 and nested on the mold 340, is rotated toward a spraying area of the waterproofing solvent spraying nozzle 440. Thereupon, the waterproofing solvent spraying nozzle 440 pumps waterproofing solvent which is stored in the body 100 and then sprays the waterproofing solvent to the outer surface of the garbage strainer preform. Thereafter, the coated preform undergoes a re- coatmg process where the waterproofing solvent is evenly re-coated on the outer surface of the garbage strainer preform by the brush 450-2 of the re-coatmg means 450. At this time, since a rotating speed of the brush 450-2 is equal to that of the motor 450-1, the brush 450-2 is rotated fast. In consideration of this, a spatter preventing cover 490 is arranged in the vicinity of the brush 450-2 so that waterproofing solvent which is spattered from the brush 450-2 by centrifugal force generated in the brush 450-2, is prevented from exerting an adverse influence on adjoining preforms. Finally, as the completed garbage strainer is continuously rotated, if the air injecting nozzle 260 of the lower plate 200 is communicated with the air passage 330 which is defined through the mold supporting pipe 320, since the compressed air is momentarily injected from the air injecting nozzle 260 into the air passage 330, the completed garbage strainer 10 is discharged out of the apparatus through the discharging chute 460. It is to be understood that, because the waterproofing solvent 13 has the paraffin constituent which is sensitive to a temperature, the compressed air to be injected flows through the heater so as to prevent a temperature from being decreased.
Industrial Applicability As a result, the disposable garbage strainer for a kitchen sink, the method for manufacturing the same and the apparatus for coating the same with a waterproofing solvent according to the present invention, provide advantages in that, since debris such as garbage is dumped along with the disposable strainer, the kitchen sink can be cleanly maintained, and, since the strainer is coated with waterproofing resm (epoxy resm or paraffin) , integrity of the strainer is not deteriorated. Above all things, it is important that, because an application detergent or a detergent-applied paper is additionally afforded to the strainer, sterilization and deodorization of the strained garbage is ensured. Also, due to the fact that the disposable garbage strainer retains an aromatic constituent which emits a sweet fragrance, disgust can be avoided. Moreover, since the conventional unsanitary dram trap is not needed in the kitchen sink, sa tariness of the kitchen sink is guaranteed.
Moreover, in the apparatus for coating the strainer with the waterproofing solvent, by the fact that it is possible to precisely set a rotational velocity of a middle plate and a strainer dropping speed of strainer dispensing means, the waterproofing solvent can be coated to the strainer in a more stable manner. Further, because the waterproofing solvent is always maintained at a predetermined constant temperature, the waterproofing solvent (paraffin) is prevented from being hardened, and, because the entire apparatus has reduced size and volume in such a way as to accomplish compactness, a manufacturing cost can be reduced and a required space can be diminished.
In the drawings and specification, there have been disclosed typical preferred embodiments of the invention and, although specific terms are employed, they are used in a generic and descriptive sense only and not for purposes of limitation, the scope of the invention being set forth in the following claims.

Claims

Claims
1. A disposable garbage strainer for a kitchen sink, comprising: a side paper of a sector-shaped configuration, in which a first vinyl . coating layer is formed all over at least one surface and a mixed solvent of paraffin plus aromatic is applied to the other surface, the side paper being defined with first drain holes spaced apart one from another by a desired distance and being formed with at least one adsorbing portion; and a bottom paper in which a second vinyl coating layer and a detergent-applied paper are formed all over at least one surface, the bottom paper being defined with second drain holes; wherein the side paper and the bottom paper are heat-fused to each other in a state in which the bottom paper is positioned at a lower end of the side paper and the first vinyl coating layer and the second vinyl coating layer face each other while serving as inner surfaces of the side paper and the bottom paper, respectively, thereby to define a cup-shaped configuration, and an upper end of the side paper is curled outward to define an engaging portion.
2. A disposable garbage strainer for a kitchen sink, comprising: a side paper of a sector-shaped configuration, in which a first vinyl coating layer is formed all over at least one surface and aromatic plus waterproofing resin, an application detergent and a parting agent such as silicon powder are sequentially applied to the other surface, the side paper being defined with first drain holes spaced apart one from another by a desired distance and being formed with at least one adsorbing portion; and a bottom paper in which a second v yl coating layer is formed all over at least one surface, the bottom paper being defined with second dram holes; wherein the side paper and the bottom paper are heat-fused to each other in a state in which the bottom paper is positioned at a lower end of the side paper and the first vmyl coating layer and the second vmyl coating layer face each other while serving as inner surfaces of the side paper and the bottom paper, respectively, thereby to define a cup-shaped configuration, and an upper end of the side paper is curled outward to define an engaging portion.
3. A method for manufacturing a disposable garbage strainer, comprising: a first process having a first step of punching a side paper material which is supplied in a state in which a first vmyl coating layer is formed on an inner surface thereof, to define first dram holes and at least one adsorbing portion, and a second step of cutting the side paper material into a sector-shaped configuration, to complete a side paper which includes the dram holes and at least one adsorbing portion; a second process having a third step of feeding the side paper by means of an adsorption feeding mechanism which adsorbs the adsorbing portion of the completed side paper, a fourth step of heat-fusing both ends of the side paper to each other, a fifth step of heat-fusing a bottom paper which is supplied, to a lower end of the side paper, and a sixth step of curling outward an upper end of the side paper; and a third process having a seventh step of spraying a mixed solvent of paraffin plus aromatic to an outer surface of a garbage strainer preform which is prepared by the second process and then discharging the completed garbage strainer by injecting compressed air, an eighth step of attaching a detergent-applied paper to a bottom surface of the bottom paper, and a ninth step of immediately packing the garbage strainer without allowing the garbage strainer to experience a drying course .
4. A method for manufacturing a disposable garbage strainer, comprising: a first process having a first step of punching a side paper material which is supplied in a state in which a first vmyl coating layer is formed on an inner surface thereof, to define first dra hoJ_es and at least one adsorbing portion, and a second step of cutting the side paper material into a sector-shaped configuration, to complete a side paper which includes the dram holes and at least one adsorbing portion; a second process having a third step of feeding the side paper by means of an adsorption feeding mechanism which adsorbs the adsorbing portion of the completed side paper, a fourth step of heat-fusing both ends of the side paper to each other, a fifth step of heat-fusing a bottom paper which is supplied, to a lower end of the side paper, and a sixth step of curling outward an upper end of the side paper; and a third process having a seventh step of spraying a mixed solvent of waterproofing resm plus aromatic to an outer surface of a garbage strainer preform which is prepared by the second process, an eighth step of sequentially applying detergent powder and a parting agent such as silicon powder to the mixed solvent before the mixed solvent is dried, and a ninth step of immediately packing the completed garbage strainer without allowing the garbage strainer to experience a drying course.
5. An apparatus for coating a disposable garbage strainer with a waterproofing solvent, comprising: a body for storing the waterproofing solvent such as paraffin, the body including a double heat-msulatmg arrangement and heating means which enable the waterproofing solvent to be maintained at a predetermined high temperature; a lower plate mounted to an upper end of the body, the lower plate having a center shaft of a predetermined height, which is rotatably uprighted at a center portion of the lower plate, supporting posts which are fastened to an upper surface of the lower plate around the center shaft along a circumferential direction in such a way as to be spaced apart one from another by a predetermined angle, and an air injecting nozzle which is installed on the lower plate to inject compressed air; a middle plate secured to the center shaft above the lower plate, the middle shaft having mold supporting pipes which are affixed to an upper surface of the middle plate along the circumferential direction in such a way as to be spaced apart one from another by a preset angle and define air passages, and molds which are respectively fitted around the mold supporting pipes and each of which has a cup-shaped contour; and an upper plate fastened to the supporting posts of the lower plate above the middle plate, the upper plate having driving means for rotating the center shaft and the middle plate secured thereto at a predetermined rotational velocity, strainer dispensing means which is connected to a link to drop garbage strainer preforms to be coated with the waterproofing solvent onto the molds one by one, which link is eccentrically coupled to the driving means, a waterproofing solvent spraying nozzle which is arranged at a post-process position of the strainer dispensing means to spray pumped waterproofing solvent to an outer surface of the garbage strainer preform nested on the mold, re-coatmg means which is placed at a post-process position of the waterproofing solvent spraying nozzle to evenly re-coat waterproofing solvent coated on the garbage strainer preform, a discharging chute for guiding discharge of completed garbage strainer which is passed through the re-coatmg means, when the air injecting nozzle of the lower plate is communicated with the air passage defined through the mold supporting pipe, an optical sensor disposed between the strainer dispensing means and the waterproofing solvent spraying nozzle to sense wrong dropping of the garbage strainer preform, and a control section which receives a sensing signal from the optical sensor and controls operation of the driving means.
6. The apparatus as claimed in claim 5, wherein the driving means comprises a geared motor having a reduction gear, a driving gear secured to an output shaft of the geared motor and having a cam which is anchored to a lower end of the driving gear and to which the link is eccentrically coupled, an intermediate gear which is meshed with the driving gear, and a driven gear which is meshed with the intermediate gear and secured to the center shaft of the lower plate.
7. The apparatus as claimed in claim 5, wherein the strainer dispensing means comprises an internal gear which is connected with the link and is formed with teeth on a circumferential inner surface thereof, and a plurality of cam gears which are meshed with the internal gear while they are spaced apart one from another along a circumferential direction by a preselected angle and each of which is formed with multi-stepwise cam surfaces so that, as the cam gears are rotated, stacked garbage strainer preforms can be dropped one by one.
8. The apparatus as claimed in claim 5, wherein the re-coatmg means comprises a motor which is installed on the upper plate, and a brush which is secured to a driving shaft of the motor and evenly re- coats the waterproofing solvent coated on the garbage strainer preform.
PCT/KR2000/001543 2000-04-08 2000-12-28 Disposable garbage strainer for kitchen sink, method for manufacturing the same, and apparatus for coating the same WO2001077450A1 (en)

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AU2001224082A AU2001224082A1 (en) 2000-04-08 2000-12-28 Disposable garbage strainer for kitchen sink, method for manufacturing the same,and apparatus for coating the same
JP2001574692A JP2004518835A (en) 2000-04-08 2000-12-28 Disposable garbage strainer for kitchen sink, its manufacturing method, its coating device

Applications Claiming Priority (4)

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KR1020000018426A KR100330320B1 (en) 2000-04-08 2000-04-08 Consumable garbage recovering with sterirization and deodorizing elements insink stand and method thereof
KR2000/18426 2000-04-08
KR2000/64969 2000-11-02
KR1020000064969A KR20020034572A (en) 2000-11-02 2000-11-02 Water-proof stuff painting device of consumable garbage

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KR20020034572A (en) * 2000-11-02 2002-05-09 김현우 Water-proof stuff painting device of consumable garbage
WO2004059095A1 (en) * 2002-12-23 2004-07-15 Buettner Dirk Drain sieve, method for the production of a drain sieve, use of such a drain sieve, and use of a permeable structure
US7704386B2 (en) 2007-01-12 2010-04-27 Gianni Ventura Filter assembly
CN108412021A (en) * 2018-03-31 2018-08-17 广东知识城运营服务有限公司 A kind of drainage mechanism
KR200488731Y1 (en) 2017-04-25 2019-03-12 김지영 The mesh strainer for making the soup
KR200488732Y1 (en) 2017-03-27 2019-03-12 김지영 The mesh strainer for making the soup
CN112206566A (en) * 2020-11-06 2021-01-12 黄骏杰 Household sewage treatment device based on electromagnetic heating
CN112722630A (en) * 2021-01-04 2021-04-30 温州凯培电子商务秘书有限公司 Garbage can for recycling kitchen garbage

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CA2827815A1 (en) * 2011-02-28 2012-09-07 Sink Skin Ltd. Strainers and plugs
CN104326196A (en) * 2014-10-28 2015-02-04 济南大学 Rotary-cover trash can
JP2017227102A (en) * 2016-06-20 2017-12-28 株式会社エイ・ティ・エル Disposable refuse receiver for exhaust port of sink
KR102048660B1 (en) * 2019-07-31 2019-11-26 김영기 Coating method of packing box

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20020034572A (en) * 2000-11-02 2002-05-09 김현우 Water-proof stuff painting device of consumable garbage
WO2004059095A1 (en) * 2002-12-23 2004-07-15 Buettner Dirk Drain sieve, method for the production of a drain sieve, use of such a drain sieve, and use of a permeable structure
US7704386B2 (en) 2007-01-12 2010-04-27 Gianni Ventura Filter assembly
KR200488732Y1 (en) 2017-03-27 2019-03-12 김지영 The mesh strainer for making the soup
KR200488731Y1 (en) 2017-04-25 2019-03-12 김지영 The mesh strainer for making the soup
CN108412021A (en) * 2018-03-31 2018-08-17 广东知识城运营服务有限公司 A kind of drainage mechanism
CN112206566A (en) * 2020-11-06 2021-01-12 黄骏杰 Household sewage treatment device based on electromagnetic heating
CN112722630A (en) * 2021-01-04 2021-04-30 温州凯培电子商务秘书有限公司 Garbage can for recycling kitchen garbage

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