US3882819A - Device for coating elements of continuous length - Google Patents

Device for coating elements of continuous length Download PDF

Info

Publication number
US3882819A
US3882819A US461747A US46174774A US3882819A US 3882819 A US3882819 A US 3882819A US 461747 A US461747 A US 461747A US 46174774 A US46174774 A US 46174774A US 3882819 A US3882819 A US 3882819A
Authority
US
United States
Prior art keywords
bore
aperture
valve
wall
adjustable
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
US461747A
Other languages
English (en)
Inventor
William Ronald Skeeters
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
EMPIRE PENCIL Corp A DE CORP
Original Assignee
Hasbro Industries Inc
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
Application filed by Hasbro Industries Inc filed Critical Hasbro Industries Inc
Priority to US461747A priority Critical patent/US3882819A/en
Priority to DE2504103A priority patent/DE2504103B2/de
Priority to GB5479/75A priority patent/GB1483013A/en
Priority to IL46608A priority patent/IL46608A/en
Priority to CA220,010A priority patent/CA1033118A/en
Priority to AT115675A priority patent/ATA115675A/de
Priority to AR257722A priority patent/AR203676A1/es
Priority to AU78484/75A priority patent/AU486371B2/en
Priority to JP50023487A priority patent/JPS50136332A/ja
Priority to FR7506608A priority patent/FR2267877B1/fr
Priority to IT48430/75A priority patent/IT1029931B/it
Priority to CH491975A priority patent/CH580988A5/xx
Application granted granted Critical
Publication of US3882819A publication Critical patent/US3882819A/en
Assigned to EMPIRE ENTERPRISES, INC. reassignment EMPIRE ENTERPRISES, INC. ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: HASBRO DEVELOPMENT CORP.
Assigned to BT COMMERCIAL CORPORATION, A NEW YORK CORP. reassignment BT COMMERCIAL CORPORATION, A NEW YORK CORP. SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: EMPIRE PENCIL CORPORATION
Assigned to EMPIRE PENCIL CORPORATION, A DE. CORP. reassignment EMPIRE PENCIL CORPORATION, A DE. CORP. ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: EMPIRE ENTERPRISES, INC.,
Assigned to EMPIRE PENCIL CORPORATION reassignment EMPIRE PENCIL CORPORATION RELEASED BY SECURED PARTY (SEE DOCUMENT FOR DETAILS). Assignors: BT COMMERCIAL CORPORATION
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • 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
    • B05C3/00—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material
    • B05C3/02—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material
    • B05C3/12—Apparatus in which the work is brought into contact with a bulk quantity of liquid or other fluent material the work being immersed in the liquid or other fluent material for treating work of indefinite length

Definitions

  • the invention relates to coating devices, and is more particularly directed to devices for coating elements of continuous length.
  • a casing or sheathing composition is continuously extruded over a core of a pigmented or colored lead or a graphite lead.
  • the leads may be cut to length and fed in end-to-end abutting relation, or preferably the lead may also be continuously extruded to receive thereon the co-extrusion of the casing composition.
  • the continuous length of pencil material must be coated with a lacquer or paint prior to being cut into predetermined lengths. If the pencils are of the type having an eraser at one end thereof the pencils are then subjected to the usual operations of applying a ferrule and an eraser.
  • a device in accordance with the invention employs a die member to apply a coating to the periphery of an element of continuous length.
  • the device employs valve means associated with the die member to allow the coating composition to flow to the die member or to cut off the flow of the coating composition so that the continuous element may pass through the device uncoated when desired.
  • the coating device comprises a body member including an intermediate wall having an aperture to allow the passage of the continuous element to be coated.
  • a first axial bore is provided in the body member in communication with and on one side of the aperture.
  • a die member is fitted within the bore.
  • An adjustable pressure member is positioned within the bore for engagement with the die member.
  • a second axial bore is provided in the body member in communication with the aperture and on the opposite side of the intermediate wall.
  • An inlet opening is provided in the body member to allow the coating composition to be fed to the second bore.
  • Valve means is provided within the second bore to allow the coating composition to regulate the flow of coating composition to the die member.
  • the valve means comprises an annular wall extending axially from the aforementioned intermediate wall into the second bore and surrounding the aperture in the intermediate wall.
  • the free edge of the annular wall provides a valve element or seat.
  • An adjustable valve member is positioned in the second bore for cooperation with the valve element or seat.
  • the primary object of the invention is to provide a device for coating an element of continuous length which will enable the continuous length element to pass through the device without receiving a coating to thereby enable the attainment of the aforementioned purposes. Also, it is an object of the invention to provide a device of the type under consideration which is of simple construction, rugged and easy toroperate.
  • FIG. 1 is a perspective view showing the coating device of the invention as it may be mounted in a line for processing an element of continuous length;
  • FIG. 2 is a central, longitudinal cross-sectional view of the coating device having the parts thereof arranged to apply a coating to the surface of a continuous ele ment as it is drawn through the device;
  • FIG. 3 is a similar view showing the valve means of the device acting to prevent the application of a coating to the moving continuous element.
  • the device A for coating an element L of continuous length may be mounted for alignment with any equipment in a line, for example, an extruder (not shown) for applying a casing composition to a writing core, such as a pigmented or a graphite lead.
  • a mounting B for the device A may comprise a clamping member 10 cooperable with a second clamping member 12, the clamping members having cutout portions 14, 14' so that the clamping members may tightly embrace the coating device.
  • the clamping members may be secured to one another by the con nectors 16, one of which is shown.
  • the assembly of the coating device and the clamping plates may be connected to a suitable bracket 18 which in turn is secured to a base plate 20.
  • the device A for coating the element L of continuous length comprises a body member C having an intermediate wall 22.
  • the body member is cylindrical or circular in cross section.
  • the intermediate wall is provided with a central aperture 24 to allow passage of the element L.
  • the aperture has a diameter which is slightly greater than the cross-sectional dimension of the element L.
  • the body member C is provided with a first axial bore 26 in communication with and on one side of the aperture 24.
  • a coating or die member D is positioned within the axial bore.
  • An adjustable pressure member E. also is positioned within the bore 26 for engagement with the coating member.
  • the body member C is provided with a second axial bore 28 in communication with the aperture 24 on the opposite side of the intermediate wall 22.
  • An inlet opening 30 is provided in the body member to allow a coating composition to be fed to thebore 28.
  • Valve means F is provided in the bore 28 for regulating the flow of coating composition to the aperture 24 and to the coating member D.
  • the die member D is frusto-conical and is made of a suitable elastomeric material, such as rubber, neoprene, a butadiene polymer, or any other elastomeric material which is resistant to lacquers, paints or the like.
  • the die member has a central opening 31.
  • the shape of the opening corresponds to the configuration or cross section of element or extrudate L.
  • the configuration may be round, hexagonal or any other suitable shape.
  • the internal surface of wall 32 of the body member which defines the bore 26 is matingly contoured at 34 for engagement by the periphery of the frusto-conical die member, the wall tapering down or converging toward the aperture 24.
  • the internal surface of the wall adjacent the converging area 34 is of substantially constant diameter and internally threaded at 36.
  • the adjustable pressure member E is matingly threaded at 38.
  • the front face 40 of the adjustable pressure member is engageable with the side 42 of the frusto-conical die member having the larger diameter so that pressure may be applied in an axial direction to thereby control the diameter of the opening 31 extending through the die member.
  • the pressure member has a central opening 43 in alignment with the opening 31 of the die member and the aperture 24.
  • the adjustable pressure member is provided with means cooperable with a tool for rotating the member. As shown, such means may be in the form of radially extending recesses 44 provided in a flange 46 designed to accommodate a tool having projections (not shown).
  • the frusto-conical member D, and the mating surface 34 of the body member and the adjustable pressure member E are related so that the thickness of the coating which is wiped onto the traveling element L depends upon the degree of axial pressure applied to the die member by the adjustable pressure member.
  • the element of continuous or indeterminate length travels through the device in the direction indicated by the arrow in FIGS. 1, 2 and 3. Rotating the pressure member to increase axial pressure on the coating member reduces the diameter of the opening 31 to thereby reduce the thickness of the coating applied to the traveling element L.
  • Rotating the pressure member in the opposite direction to relieve the axial pressure on the die member increases the size of the opening 31 to increase the thickness of the applied coating, and further rotation of the pressure member in such direction increases the size of the opening 31 to allow the element L to move through the device with minimal friction.
  • the bore 28 is defined by a circumferential wall 46 having a larger diameter than the wall 32 defining the bore 26.
  • the aforementioned inlet opening 30 extends through the wall 46, and may have an internally threaded portion 48 to receive a threaded nozzle member 50 connected to a source of a coating composition such as a lacquer, paint or the like (not shown).
  • the coating composition may be delivered through the inlet opening 30 and into the bore 28 under pressure.
  • the valve means F comprises an annular wall 52 which extends axially from the intermediate wall 22 into the bore 28 and surrounds the aperture 24.
  • the free edge 54 of the annular wall is formed to provide a valve element. As shown, the free edge is beveled to pfbvide a valve seat for cooperation with an adjustable VQiV iiliihber G.
  • the valve member is provided with a liifzib 56 having a mating bevel so that the pressure efigagifiem of the beveled surfaces 54 and 56 will prevent the flow of coating composition to the aperture 24 and to the coating member B, as shown in FIG. 3.
  • the adjustable valve member G has a central opening 58 in alignment with aperture 24. It is formed with an annular groove or recess 60 within which an O-ring 62 is positioned to provide a sliding seal with the smooth internal surface portion provided by the bore 28. Also, the valve member G is externally threaded at 64 for mating engagement with the internally threaded portion 66 of the bore. Thus, the adjustable valve member may be rotated so that it moves in an axial direction to engage the valve seat 54 (FIG. 3), or it may be backed off from the valve seat to allow the coating composition to pass from the inlet 30 through the opening 68 between the valve members, into the area within the annular wall 52, through the aperture 24 and to the die member D.
  • the adjustable valve member G may be provided with means cooperable with a tool (not shown) to enable rotating the valve member. As illustrated, such means may take the form of spaced recesses 70 extending axially into the end wall of the valve member to receive mating projections on the tool.
  • the coating device hereinbefore described is particularly useful to apply various colored lacquers or paints to an extrusion which will ultimately furnish pencils, it will be apparent that the device is useful for operation upon any suitable element of continuous length.
  • the continuous extrusion may omit a central marking core to furnish an extrusion which, when cut to desired lengths, furnishes barrels for mechanical pencils and ball point pen barrels.
  • the central longitudinal opening extending through the cut segments receives the mechanically operated lead or ball point pen refills.
  • the described coating device may operate upon elements of continuous length which need not be extrusions, for example, wire, or any other element of continuous length.
  • a device for applying a liquid coating composition to an element of continuous length comprising a body member including an intermediate wall having an aperture to allow passage of the element to be coated, a first axial bore in the body member in communication with and on one side of the aperture, a die member within said bore, an adjustable pressure member within said bore for engagement with the die member, a second axial bore in the body member in communication with the aperture and on the opposite side of the intermediate wall, an inlet opening in the body member to allow a coating composition to be fed to the second bore, and valve means within said second bore for regulating the flow of coating composition to the die member, the valve means comprising an annular wall extending axially from said intermediate wall into said second bore and surrounding said aperture, the free edge of the annular wall providing a valve element, and an adjustable valve member in the second bore cooperable with said valve element, the die member, adjustable pressure member and valve member having openings therethrough in alignment with said aperture.
  • a device wherein the die member is frusto-conical, of elastomeric material and has a central opening, and the wall of the body member defining the first bore at the area adjacent the frustoconical member is matingly contoured, the wall converging toward said aperture.
  • a device wherein the wall 0 the body member defining the first bore adjacent the converging area is of substantially constant diameter and internally threaded, and the adjustable pressure member is matingly threaded, the pressure member being engageable with the side. of the frusto-conical die member having the larger diameter to apply pressure in an axial direction to thereby control the size of the central opening-extending through the die member.
  • a device wherein the adjustedge of said annular wall is beveled to provide a valve seat and the adjustable valve member is provided with a mating bevel whereby the pressure engagement of the beveled surfaces will prevent the flow of coating composition to the aperture and to the die member.
  • adjustable valve member is externally threaded, and a portion of the internal surface of the circumferential wall defining the second bore is matingly threaded.
  • adjustable valve member is provided with means cooperable with a tool for rotating the member.
  • adjustable pressure member and the adjustable valve member are each provided with means cooperable with a tool for rotating the members.

Landscapes

  • Coating Apparatus (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
US461747A 1974-04-17 1974-04-17 Device for coating elements of continuous length Expired - Lifetime US3882819A (en)

Priority Applications (12)

Application Number Priority Date Filing Date Title
US461747A US3882819A (en) 1974-04-17 1974-04-17 Device for coating elements of continuous length
DE2504103A DE2504103B2 (de) 1974-04-17 1975-01-31 Beschichtungsvorrichtung
GB5479/75A GB1483013A (en) 1974-04-17 1975-02-10 Apparatus for coating elongate elements
IL46608A IL46608A (en) 1974-04-17 1975-02-11 Device for coating elements of continuous length
CA220,010A CA1033118A (en) 1974-04-17 1975-02-13 Device for coating elements of continuous length
AT115675A ATA115675A (de) 1974-04-17 1975-02-17 Vorrichtung zum aufbringen eines fluessigen beschichtungsmittels auf einen kontinuierlichen strang
AR257722A AR203676A1 (es) 1974-04-17 1975-02-21 Dispositivo para aplicar una composicion de revestimiento liquida a un elemento de longitud continua
AU78484/75A AU486371B2 (en) 1974-04-17 1975-02-24 A device for coating elements of continuous length
JP50023487A JPS50136332A (forum.php) 1974-04-17 1975-02-27
FR7506608A FR2267877B1 (forum.php) 1974-04-17 1975-03-03
IT48430/75A IT1029931B (it) 1974-04-17 1975-03-04 Dispositivo per rivestire elementi di lunhezza continua
CH491975A CH580988A5 (forum.php) 1974-04-17 1975-04-17

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US461747A US3882819A (en) 1974-04-17 1974-04-17 Device for coating elements of continuous length

Publications (1)

Publication Number Publication Date
US3882819A true US3882819A (en) 1975-05-13

Family

ID=23833785

Family Applications (1)

Application Number Title Priority Date Filing Date
US461747A Expired - Lifetime US3882819A (en) 1974-04-17 1974-04-17 Device for coating elements of continuous length

Country Status (11)

Country Link
US (1) US3882819A (forum.php)
JP (1) JPS50136332A (forum.php)
AR (1) AR203676A1 (forum.php)
AT (1) ATA115675A (forum.php)
CA (1) CA1033118A (forum.php)
CH (1) CH580988A5 (forum.php)
DE (1) DE2504103B2 (forum.php)
FR (1) FR2267877B1 (forum.php)
GB (1) GB1483013A (forum.php)
IL (1) IL46608A (forum.php)
IT (1) IT1029931B (forum.php)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3991986A (en) * 1975-01-27 1976-11-16 Southwire Company Fluid quench housing assembly with external flow adjustment
US4144838A (en) * 1976-04-15 1979-03-20 Matsushita Electric Industrial Co., Ltd. Coating apparatus
US4258646A (en) * 1979-09-20 1981-03-31 W. R. Grace & Co. Pressurized wire enamel applicator cell
US4883690A (en) * 1988-06-06 1989-11-28 Owens-Corning Fiberglas Corporation Method and apparatus for coating elongate members
US6436484B1 (en) 1997-12-09 2002-08-20 Coats American, Inc. Processes for coating sewing thread
US7718251B2 (en) 2006-03-10 2010-05-18 Amesbury Group, Inc. Systems and methods for manufacturing reinforced weatherstrip
CN102553788A (zh) * 2012-01-13 2012-07-11 广州东海敏孚汽车部件有限公司 汽车饰条芯金上胶装置
EP2993026A1 (en) * 2014-09-03 2016-03-09 Konstrukta Industry, a.s The device for controlling the parameters of coating heads for bead wires
CN105774308A (zh) * 2016-03-07 2016-07-20 徐海慧 一种用于回收利用木质笔生产设备
CN106734306A (zh) * 2017-02-14 2017-05-31 上海牧森自动化设备有限公司 一种圆珠笔圆珠挤压装置
US10329834B2 (en) 2015-02-13 2019-06-25 Amesbury Group, Inc. Low compression-force TPE weatherseals
US20190193102A1 (en) * 2016-05-06 2019-06-27 RADCO Infusion Technologies, LLC Linear substrate infusion compartment
CN110038766A (zh) * 2019-05-17 2019-07-23 福州普洛机械制造有限公司 单支抽条带上光油漆线及其工作方法
US11098445B2 (en) 2016-05-06 2021-08-24 Anderson Group, Ltd. Continuous linear substrate infusion

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1122078A (en) * 1977-03-23 1982-04-20 Charles G. Renegar Device and method for striping pencils
DE3510182A1 (de) * 1985-03-21 1986-10-09 Hoechst CeramTec AG, 8672 Selb Extrudiervorrichtung zum herstellen von wabenkoerpern
DE3510181A1 (de) * 1985-03-21 1986-10-02 Hoechst CeramTec AG, 8672 Selb Extrudiervorrichtung zum herstellen von wabenkoerpern
DE3923683A1 (de) * 1989-07-18 1991-01-24 Rheydt Kabelwerk Ag Vorrichtung zum beschichten von glasfasern, die als lichtwellenleiter dienen
DE4124210A1 (de) * 1991-07-20 1993-01-21 Schwan Stabilo Schwanhaeusser Verfahren zur herstellung eines stiftes
DE19923035A1 (de) * 1999-05-19 2000-11-23 Lothar Bracht Lackabstreifdüse
CN109203409A (zh) * 2018-08-20 2019-01-15 河北联捷同创装饰材料有限公司 一种木塑共挤型材的生产线及其生产工艺
CN112495694B (zh) * 2020-12-02 2022-03-11 苏州麦德迅医疗科技有限公司 一种粘结剂附着装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US515951A (en) * 1894-03-06 Lead-press
US2111853A (en) * 1935-10-16 1938-03-22 Int Cellucotton Products Cord coating machine
US2260860A (en) * 1938-05-21 1941-10-28 Western Electric Co Apparatus for handling strands
US2341450A (en) * 1941-12-30 1944-02-08 Western Electric Co Strand treating apparatus
US3044098A (en) * 1959-06-02 1962-07-17 United States Steel Corp Apparatus for cleaning wire rod
US3170968A (en) * 1961-03-31 1965-02-23 Nippon Telegraph & Telephone Method of manufacturing cellular insulated wire

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US515951A (en) * 1894-03-06 Lead-press
US2111853A (en) * 1935-10-16 1938-03-22 Int Cellucotton Products Cord coating machine
US2260860A (en) * 1938-05-21 1941-10-28 Western Electric Co Apparatus for handling strands
US2341450A (en) * 1941-12-30 1944-02-08 Western Electric Co Strand treating apparatus
US3044098A (en) * 1959-06-02 1962-07-17 United States Steel Corp Apparatus for cleaning wire rod
US3170968A (en) * 1961-03-31 1965-02-23 Nippon Telegraph & Telephone Method of manufacturing cellular insulated wire

Cited By (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3991986A (en) * 1975-01-27 1976-11-16 Southwire Company Fluid quench housing assembly with external flow adjustment
US4144838A (en) * 1976-04-15 1979-03-20 Matsushita Electric Industrial Co., Ltd. Coating apparatus
US4258646A (en) * 1979-09-20 1981-03-31 W. R. Grace & Co. Pressurized wire enamel applicator cell
US4883690A (en) * 1988-06-06 1989-11-28 Owens-Corning Fiberglas Corporation Method and apparatus for coating elongate members
US6436484B1 (en) 1997-12-09 2002-08-20 Coats American, Inc. Processes for coating sewing thread
US20020168481A1 (en) * 1997-12-09 2002-11-14 Coats North America Coated sewing thread
US6828023B2 (en) 1997-12-09 2004-12-07 Coats American, Inc. Coated sewing thread
US9358716B2 (en) 2006-03-10 2016-06-07 Amesbury Group, Inc. Systems and methods for manufacturing reinforced weatherstrip
US10265900B2 (en) 2006-03-10 2019-04-23 Amesbury Group, Inc. Systems and methods for manufacturing reinforced weatherstrip
US7718251B2 (en) 2006-03-10 2010-05-18 Amesbury Group, Inc. Systems and methods for manufacturing reinforced weatherstrip
CN102553788A (zh) * 2012-01-13 2012-07-11 广州东海敏孚汽车部件有限公司 汽车饰条芯金上胶装置
EP2993026A1 (en) * 2014-09-03 2016-03-09 Konstrukta Industry, a.s The device for controlling the parameters of coating heads for bead wires
US10676985B2 (en) 2015-02-13 2020-06-09 Amesbury Group, Inc. Low compression-force TPE weatherseals
US10329834B2 (en) 2015-02-13 2019-06-25 Amesbury Group, Inc. Low compression-force TPE weatherseals
CN105774308A (zh) * 2016-03-07 2016-07-20 徐海慧 一种用于回收利用木质笔生产设备
CN105774308B (zh) * 2016-03-07 2017-12-15 竺林坤 一种用于回收利用木质笔生产设备
US20190193102A1 (en) * 2016-05-06 2019-06-27 RADCO Infusion Technologies, LLC Linear substrate infusion compartment
US11033923B2 (en) * 2016-05-06 2021-06-15 RADCO Infusion Technologies, LLC Linear substrate processing compartment
US11098445B2 (en) 2016-05-06 2021-08-24 Anderson Group, Ltd. Continuous linear substrate infusion
US11359332B2 (en) 2016-05-06 2022-06-14 Anderson Group, Ltd. Continuous linear substrate infusion
CN106734306A (zh) * 2017-02-14 2017-05-31 上海牧森自动化设备有限公司 一种圆珠笔圆珠挤压装置
CN110038766A (zh) * 2019-05-17 2019-07-23 福州普洛机械制造有限公司 单支抽条带上光油漆线及其工作方法
CN110038766B (zh) * 2019-05-17 2023-09-29 福州普洛机械制造有限公司 单支抽条带上光油漆线及其工作方法

Also Published As

Publication number Publication date
IT1029931B (it) 1979-03-20
JPS50136332A (forum.php) 1975-10-29
IL46608A (en) 1977-06-30
AR203676A1 (es) 1975-09-30
CH580988A5 (forum.php) 1976-10-29
DE2504103B2 (de) 1979-05-17
AU7848475A (en) 1976-08-26
IL46608A0 (en) 1975-04-25
FR2267877B1 (forum.php) 1977-10-21
CA1033118A (en) 1978-06-20
FR2267877A1 (forum.php) 1975-11-14
DE2504103A1 (de) 1975-11-06
GB1483013A (en) 1977-08-17
ATA115675A (de) 1979-07-15

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