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Dispensing device for dry wall tape and joint cement

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Publication number
US3669070A
US3669070A US3669070DA US3669070A US 3669070 A US3669070 A US 3669070A US 3669070D A US3669070D A US 3669070DA US 3669070 A US3669070 A US 3669070A
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Prior art keywords
tape
hopper
means
cement
edge
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Forrest E Wallace
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FORREST E WALLACE
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FORREST E WALLACE
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F21/00Implements for finishing work on buildings
    • E04F21/165Implements for finishing work on buildings for finishing joints, e.g. implements for raking or filling joints, jointers
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04FFINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F21/00Implements for finishing work on buildings
    • E04F21/02Implements for finishing work on buildings for applying plasticised masses to surfaces, e.g. plastering walls
    • E04F21/026Implements for finishing work on buildings for applying plasticised masses to surfaces, e.g. plastering walls for applying adhesive or joint compound to joint tapes, in particular drywall tapes

Abstract

A portable tape dispenser for dispensing dry wall tape comprises a hopper for containing a supply of dry wall joint cement in fluid form and means serving to support the hopper from the waist of a workman in a manner freeing both of his hands. A roll of dry wall joint tape is carried and supported for rotation from the hopper whereby guide means lead the tape from its roll into and out of the supply of joint cement. A dispensing slot is formed between a stationary knife edge member and a movable knife edge member spaced therefrom to receive the tape therebetween. The two knife edge members serve to remove cement from opposite sides of the tape. However, the spacing between the edges serves to permit one of the two edges to leave a coating of cement of predetermined thickness when the tape is withdrawn across the other knife edge member. A comb element is disposed in conjunction with one of the knife edge members so that the coating of cement applied to the tape will extend in spaced longitudinal lines. A trowel cleaning chute extends along the outer edge of the hopper.

Description

United States Patent Wallace [4 June 13, 1972 [54] DISPENSING DEVICE FOR DRY WALL [56 References Cited UNITED STATES PATENTS 1,309,858 7/1919 Jones 18/122 X 1,468,552 9/1923 Bartlett "08/22 A X 1,552,673 9/1925 Bried 68/22 A X 2,679,232 5/1954 Brown ..l18/43 A 2,767,880 10/1956 Dawidowicz... 7.05 X 2,876,730 3/1959 Moore 118/43 3,344,770 10/1967 Schaefer ..1 18/122 FOREIGN PATENTS OR APPLICATIONS 622,863 7/1961 Italy ..1 18/102 Primary Examiher-Morris Kaplan Attorney-Flehr, Hohbach, Test, Albritton & Herbert [57] I ABSTRACT A portable tape dispenser for dispensing dry wall tape comprises a hopper for containing a supply of dry wall joint cement in fluid form and means serving to support the hopper from the waist of a workman in a manner freeing both of his hands. A roll of dry wall joint tape is carried and supported for rotation from the hopper whereby guide means lead the tape from its roll into and out of the supply of joint cement. A dispensing slot is formed between a stationary knife edge member and a movable knife edge member spaced therefrom to receive the tape therebetween. The two knife edge members serve to remove cement from opposite sides of the tape. However, the spacing between the edges serves to permit one of the two edges to leave a coating of cement of predetermined thickness when the tape is withdrawn across the other knife edge member. A comb element is disposed in conjunction with one of the knife edge members so that the coating of cement applied to the tape will extend in spaced longitudinal lines. A trowel cleaning chute extends along the outer edge of the hopper.

8 Claims, 7 Drawing Figures PATENTEDJUM 13 m2 SHEET 2 OF 2 Vim,

m V W irroe/virs FOR DRY WALL TAPE AND JOINT CEMENT BACKGROUND OF THE INVENTION This invention pertains to devices and apparatus for dispensing flexible tape of the type utilized in forming a joint between adjacent dry wall sections in the construction industry.

As is known where a so-called dry wall is to be formed, sections of sheet rock material or other types of material are usually disposed in abutting relation so as to leave only a relatively small crack therebetween. In finishing the wall, it is necessary to cover this crack and dry wall joint tape is typicallyapplied by means of applying a coating of dry wall joint cement or mud" to one side of the tape. The tape is then overlaid along the crack and bymeans of a trowel the tape is smoothed flushwith'the adjoining panels. I

There has been a continuing need forthe provision of simplified means for assisting a workman in carrying out the above procedures. In addition, there has been a continuing need to provide a simple portable device of the above type for metering a predetermined selected thickness of dry wall cement on one side of the tape while the other side remains sub stantiallyfree of such a coating.

DISPENSING DEvIcE SUMMARY oF THE INVENTION AND OBJECTS In general, there has been provided a portable tape dispenser for dry wall joint tape incorporating a hopper for containing a supply of dry wall joint cement in fluid form. Means have also been provided serving to support the hopper from the waist of a workman while a roll of tape is supported adjacent the hopper. Further, means for guiding the tape to be withdrawn via the supply of cement in the hopper and for metering the thickness of a coat of cement carried on one surface of the tape while wiping the other surface substantially free of cement have been provided.

In general, it is an object of the present invention to provide an improved portable tape dispenser for dry wall joint tape.

.It is another object of the present invention to provide a tape dispenser for dry wall joint tape whereby the dispenser can be carried on the left or right side of a workman using the apparatus.

It is a further object of the invention to provide an improved metering slot through which coated dry wall tape is fed so as to provide a predetermined thickness of joint cement along one surface of the tape.

The foregoing and other objects of. the invention will become more readily. apparent from the following detailed description of the preferredembodiment.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view-of a portable tape dispenser according to the invention as worn by a workman;

FIG. 2 is aside elevation view of the tape dispenser apparatus of FIG. 1;

FIG. 3 is a front elevation view, partially broken away for clarity, of the dispensing apparatus shown in FIG. 2;

FIG. 4 is a side elevation section view taken along the line 44 of FIG. 3;

FIG. 5 is a perspective view, in enlarged detail, of an interior portion of the apparatus removed for clarity;

FIG. 6 is a plan view, in enlarged detail, of a portion of FIG. 5; and

FIG. 7 is a side elevation section view taken along the line 7-7 of FIG. 6.

DETAILED DESCRIPTION OF A PREFERRED EMBODIMENT Means are provided for supporting hopper 11 from the waist of a workman 14 in a manner freeing both of the workmans hands for manipulation of the tape and applying it to the wall. Thus, as shown best in FIG. 3, hopper 11 carries an upstanding, thin, rigid support mast 16 extending upwardly from the upper edge of hopper 11. A belt loop 17 of metal or other rigid material is riveted to the upper margin of hopper 11 by rivet 18 and at its upper end to mast 16 by rivet 19.

As thus arranged, the workman's belt 21 can readily be passed through belt loop 17 for carrying hopper 11 either on the right or the left side of the workman.

Means for carrying a length of dry wall joint tape wrapped to form a roll 22 thereof and supported for rotation have been provided as now to be described.

A roll support carriage 23 (FIG. 5) serves to loosely support roll 22 for rotation and further serves to provide a guide means for leading the tape from its roll into and out of the supply 13 of joint cement while the tape is withdrawn via a dispensing slot. Thus, carriage 23 includes. apair of laterally spaced uprights 24, 26. A mounting spool 27 is supported for rotation upon anaxle 28 which is journalled for rotation in the holes 29 formed respectively in the two uprights 24, 26. Spool 27 is retained by means of a nut 31 upon axle 28 (FIG. 3) whereby upright 24 can be withdrawn from the end of axle 28 and moved to one side for loading a spool of dry wall tape 22.

The lower ends of uprights 24, 26' are disposed in the V- threaded fastener 33 having an elongated shank 33b dimensioned to extend between openings in the upper ends of uprights 24, 26 and threadedly engage a boss 34 carried at the top of mast 16. Fastener 33 includes a lever-shaped handle portion 33a for readily unscrewing and screwing the shank 33b into and out of engagement with boss 34.

As thus arranged, a web 36 of tape 22 is trained downwardly from the periphery of roll 22 to pass around sleeve 32 and then extend upwardly through a dispensing slot 37 carried from uprights 24, 26 by means of the struts 38, 39.

Dispensing slot 37 is formed between front and rear knife edge members 41, 42 respectively spaced to receive the web 36 of tape 22 therebetween and disposed transversely of web 36 as the tape is drawn from roll 22. The front and rear knife edge members 41, 42 serve to remove cement from the opposite front and back" sides of web 36 inasmuch as web 36 is trained to travel into and out of cement 13.'The spacing 43 between'knife edge members 41, 42 serves to permit edge 41 to remove all but a coating of predetermined thickness upon its related surface of web 36 when web 36 is withdrawn via slot 37 while passing in contact over the leading edge of member 42.

Slot 37 is disposed below and adjacent to the edge 15 of hopper 11 to catch any dripping of the coated underside of tape 22 when withdrawn via slot 37.

It is to be observed that the generally U-shaped slot member 46 (FIG. 5 is formed to include a comb portion or element 44 (FIG. 6) overhanging (i.e., extending beyond) edge member 41 in fixed relation to edge member 42. The comb element or portion 44 comprises a series of laterally spaced fingers 44a and edge member 41 is variously movable simply by releasing screws 47 disposed downwardly through slots 48 formed through the upper surface of slot member 46. Screws 47 are, of course, threadedly engaged into member 41 whereby upon tightening screws 47, member 41 will be tightly drawn into engagement with the undersurface thereof.

Thus, by variously moving member 41 between advanced and retracted positions relative to edge member 42, the spacing 43 will diminish or increase the exposed openings defined between adjacent fingers 44a of comb element 44.

In this way, spaced lines of cement of selected thickness are applied along one surface of web 36 while the other surface is being drawn upwardly across the knife edge of member 42 so as to remove substantially all cement therefrom. The provision of spaced lines of mud on the tape tends to provide neater work and effect an economy in consumption of mud.

In using a dispensing apparatus of the kind described and as shown in FIGS. 1 and 4, it will be readily evident that web 36 will be drawn sharply upwardly so as to ride in contact engagement with the knife edge 42. In this way, the coated reverse surface of web 36 will be facing the dry wall construction sought to be joined. In addition, it will be readily evident that for left handed workmen, support carriage 23 can be quickly removed from hopper 11 and reversed so that the dispensing slot 37 within hopper 11 is readily reversible with respect to the front and rear portions of hopper l1.

Thus, it is evident that in either event, the slot is defined between knife edge members spaced forwardly and rearwardly, the rear edge member being stationary to permit the tape to be drawn upwardly thereacross to remove substantially all cement from that surface.

In addition to the above, hopper 11 is formed with an elongated chute 49 (FIG. 1) extending upwardly from a side edge 51 of hopper 11 and adapted to permit a trowel to be scraped across the upper edge 52 so as to remove and return excess cement to hopper 11 from the trowel (not shown).

lclaim:

1. A portable tape dispenser comprising a hopper for containing a supply of dry wall joint cement in fluid form, means serving to support said hopper from the waist of a workman, means in said hopper loosely carrying a roll of pliable tape ofa type to be cemented along a joint between dry wall sections, means disposed in said hopper and including means forming a tape dispensing slot for passing the tape therethrough, means between said slot and said roll for immersing a portion of the length of tape therebetween into the cement in said hopper to coat both sides of the tape with cement, said slot having first and second edges in opposed relation to respectively confront the front and "back surfaces of the tape, as disposed along a dry wall joint, said first edge being disposed to wipe substantially all cement from said front surface as said tape is drawn across said first edge, the spacing between said edges being sufficient to cause said second edge to remove all but a predetermined thickness of cement from said back surface as the tape is drawn between said edges while riding in contact across said first edge thereby metering the thickness of the coating applied to said back surface and said slot forming means being mounted on a pivotable frame whereby said slot means is reversible with respect to the front and rear portions ofsaid hopper.

2. A portable tape dispenser according to claim 1 further comprising a chute leading to said hopper and having an elongated upper edge disposed at the side of the workman and adapted to permit a trowel to be scraped thereacross to remove and return excess cement to said hopper from the trowel.

3. In a portable tape dispenser for dry wall joint tape according to claim 1 wherein said dispensing slot is disposed below and adjacent to an edge of said hopper to catch dripping of the coated side of said tape when withdrawn via said slot.

4. A portable tape dispenser comprising a hopper for containing a supply of dry wall joint cement in fluid form, means serving to support said hopper from the waist ofa workman in a manner freeing both of his hands, means for carrying a length of dry walljoint tape wrapped to form a roll thereof and supported for rotation, guide means for leading the tape from its roll into and out of the supply of joint cement, a dispensing slot fonned between first and second knife edge members spaced to receive the tape therebetween and disposed transversely of said tape as the tape is drawn from said supply, said first and second edges serving to remove cement from opposite sides of the tape, the spacing between said edges serving to permit said second edge to leave a coating of cement of predetermined thickness when said tape is withdrawn via said slot while [gassing in contact over said first edge and said knife edge mem ers being mounted on a pivotable frame whereby said slot means is reversible with respect to the front and rear portions of said hopper.

5. In a tape dispenser according to claim 4 further including a comb element overhanging said second edge member and comprising a series of laterally spaced fingers, said second edge member being variously movable between advanced and retracted positions relative to said first edge member to diminish or increase the exposed openings defined between adjacent fingers of said comb element so as to apply spaced lines of cement of selected thickness along one surface of said tape while the other surface is drawn across said first edge member to remove substantially all cement from said other tape surface.

6. A portable tape dispenser for dry wall joint tape comprising a hopper for containing a supply ofdry wall joint cement in fluid form, means serving to support said hopper from the waist ofa workman, means carried by said hopper for supporting a roll of dry wall tape, means for guiding the tape to be withdrawn via the supply of cement and for metering the thickness of a coat of cement carried on one surface of the tape while wiping the other surface substantially free of cement, and said means for metering comprising a pair of blade elements mounted on a pivotable frame whereby said metering means is reversible with regard to the front and rear portions of said hopper.

7. In a portable tape dispenser for dry wall joint tape comprising a hopper for containing a supply of dry wall joint cement in fluid form, means serving to support said hopper from the side of the waist of a workman, means carried by said hopper supporting a roll of dry wall tape, means forming a dispensing slot at the front of said hopper, and means for guiding said tape from said roll into and out of said supply for dispensing via said slot, said slot including a pair of knife edge members spaced forwardly and rearwardly, said rear edge member being stationary to permit the tape to be drawn upwardly thereacross to remove substantially all said cement from one surface of the tape, the spacing between said edge members serving to define the thickness of a coating of said cement thereon, and said slot forming means being mounted on a pivotable frame whereby said slot means is reversible with respect to the front and rear portions of said hopper.

8. In a portable tape dispenser for dry wall joint tape, a hopper for containing a supply of dry walljoint cement, means in said hopper for supporting a roll of tape for rotation, means for guiding said tape via said supply said tape to a dispensing slot, means forming a dispensing slot within said hopper, said slot means being mounted on a pivotable frame whereby said slot means is reversible with respect to the front and rear portions of said hopper, and means for carrying said hopper from either side of the waist of a workman.

Claims (8)

1. A portable tape dispenser comprising a hopper for containing a supply of dry wall joint cement in fluid form, means serving to support said hopper from the waist of a workman, means in said hopper loosely carrying a roll of pliable tape of a type to be cemented along a joint between dry wall sections, means disposed in said hopper and including means forming a tape dispensing slot for passing the tape therethrough, means between said slot and said roll for immersing a portion of the length of tape therebetween into the cement in said hopper to coat both sides of the tape with cement, said slot having first and second edges in opposed relation to respectively confront the ''''front '''' and ''''back'''' surfaces of the tape, as disposed along a dry wall joint, said first edge being disposed to wipe substantially all cement from said ''''front'''' surface as said tape is drawn across said first edge, the spacing between said edges being sufficient to cause said second edge to remove all but a predetermined thickness of cement from said ''''back'''' surface as the tape is drawn between said edges while riding in contact across said first edge thereby metering the thickness of the coating applied to said ''''back'''' surface and said slot forming means being mounted on a pivotable frame whereby said slot means is reversible with respect to the front and rear portions of said hopper.
2. A portable tape dispenser according to claim 1 further comprising a chute leading to said hopper and having an elongated upper edge disposed at the side of the workman and adapted to permit a trowel to be scraped thereacross to remove and return excess cement to said hopper from the trowel.
3. In a portable tape dispenser for dry wall joint tape according to claim 1 wherein said dispensing slot is disposed below and adjacent to an edge of said hopper to catch dripping of the coated side of said tape when withdrawn via said slot.
4. A portable tape dispenser comprising a hopper for containing a supply of dry wall joint cement in fluid form, means serving to support said hopper from the waist of a workman in a manner freeing both of his hands, means for carrying a length of dry wall joint tape wrapped to form a roll thereof and supported for rotation, guide means for leading the tape from its roll into and out of the supply of joint cement, a dispensing slot formed between first and second knife edge members spaced to receive the tape therebetween and disposed transversely of said tape as the tape is drawn from said supply, said first and second edges serving to remove cement from opposite sides of the tape, the spacing between said edges serving to permit said second edge to leave a coating of cement of predetermined thickness when said tape is withdrawn via said slot while passing in contact over said first edge, and said knife edge members being mounted on a pivotable frame whereby said slot means is reversible with respect to the front and rear portions of said hopper.
5. In a tape dispenser according to claim 4 further including a comb element overhanging said second edge member and comprising a series of laterally spaced fingers, said second edge member being variously movable between advanced and retracted positions relative to said first edge member to diminish or increase the exposed openings defined between adjacent fingers of said comb element so as to apply spaced lines of cement of selected thickness along one surface of said tape while the other surface is drawn across said first edge member to remove substantially all cement from said other tape surface.
6. A portable tape dispenser for dry wall joint tape comprising a hopper for containing a supply of dry wall joint cement in fluid form, means serving to support said hopper from the waist of a workman, means carried by said hopper for supporting a roll of dry wall tape, means for guiding the tape to be withdrawn via the supply of cement and for metering the thickness of a coat of cement carried on one surface of the tape while wiping the other surface substantially free of cement, and said means for metering comprising a pair of blade elements mounted on a pivotable frame whereby said metering means is reversible with regard to the front and rear portions of said hopper.
7. In a portable tape dispenser for dry wall joint tape comprising a hopper for containing a supply of dry wall joint cement in fluid form, means serving to support said hopper from the side of the waist of a workman, means carried by said hopper supporting a roll of dry wall tape, means forming a dispensing slot at the front of said hopper, and means for guiding said tape from said roll into and out of said supply for dispensing via said slot, said slot including a pair of knife edge members spaced forwardly and rearwardly, said rear edge member being stationary to permit the tape to be drawn upwardly thereacross to remove substantially all said cement from one surface of the tape, the spacing between said edge members serving to define the thickness of a coating of said cement thereon, and said slot forming means being mounted on a Pivotable frame whereby said slot means is reversible with respect to the front and rear portions of said hopper.
8. In a portable tape dispenser for dry wall joint tape, a hopper for containing a supply of dry wall joint cement, means in said hopper for supporting a roll of tape for rotation, means for guiding said tape via said supply said tape to a dispensing slot, means forming a dispensing slot within said hopper, said slot means being mounted on a pivotable frame whereby said slot means is reversible with respect to the front and rear portions of said hopper, and means for carrying said hopper from either side of the waist of a workman.
US3669070A 1970-09-28 1970-09-28 Dispensing device for dry wall tape and joint cement Expired - Lifetime US3669070A (en)

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Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3834348A (en) * 1972-06-01 1974-09-10 J Black Printing screen coating apparatus
US3913522A (en) * 1974-04-19 1975-10-21 Glenn M Light Adhesive and tape dispensing device
US4202288A (en) * 1978-10-30 1980-05-13 Davy Edward Jr Dry wall tape dispenser
US4300471A (en) * 1974-10-01 1981-11-17 Desjardins J C Guy Wallpapering apparatus
GB2186862A (en) * 1986-02-20 1987-08-26 Tape Dispensers Limited Improved method and apparatus for finishing joints
FR2619798A1 (en) * 1987-08-31 1989-03-03 Loyen Andre Device for applying a coated tape
US4892056A (en) * 1986-11-03 1990-01-09 Wilton Royal Carpets Limited Doctor blade for doctoring a finish layer of PVC on a strip of carpet
FR2690475A1 (en) * 1992-04-24 1993-10-29 Pincepoche Gerard Adhesive strip applicator, especially for joints in dry partitions - comprises tank with tunnel in base through which strip passes to pick up coating of adhesive
US5498287A (en) * 1994-06-09 1996-03-12 Barnfield; Ronald Apparatus for supporting a fluid and tape to be dispensed for sealing seams of wallboard panels
US6299686B1 (en) 1997-07-11 2001-10-09 Gregory B. Mills Drywall taping and texture system using pump
FR2837856A1 (en) * 2002-03-28 2003-10-03 Andre Selingue Plasterboard joint tape glue applicator comprises container with holder for roll of paper tape and guides to pass it through adhesive
US6712238B1 (en) 2002-10-08 2004-03-30 Spraytex, Inc. Drywall taping and texture system using bladder pump with pneumatic flip/flop logic remote control
US20040188030A1 (en) * 2003-03-25 2004-09-30 Yu-Gang Chen Light and portable adhesive tape cutter
US20070107337A1 (en) * 2005-10-06 2007-05-17 Neal Whitlock Tape and joint compound applicator for drywall
US20090044395A1 (en) * 2007-08-14 2009-02-19 Dura-Tape International Drywall tape applicator and method of using the same
US8435377B1 (en) * 2009-06-09 2013-05-07 Rodney K. Greenhalgh Drywall tape dispenser assembly

Cited By (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3834348A (en) * 1972-06-01 1974-09-10 J Black Printing screen coating apparatus
US3913522A (en) * 1974-04-19 1975-10-21 Glenn M Light Adhesive and tape dispensing device
US4300471A (en) * 1974-10-01 1981-11-17 Desjardins J C Guy Wallpapering apparatus
US4202288A (en) * 1978-10-30 1980-05-13 Davy Edward Jr Dry wall tape dispenser
GB2186862A (en) * 1986-02-20 1987-08-26 Tape Dispensers Limited Improved method and apparatus for finishing joints
US4892056A (en) * 1986-11-03 1990-01-09 Wilton Royal Carpets Limited Doctor blade for doctoring a finish layer of PVC on a strip of carpet
FR2619798A1 (en) * 1987-08-31 1989-03-03 Loyen Andre Device for applying a coated tape
FR2690475A1 (en) * 1992-04-24 1993-10-29 Pincepoche Gerard Adhesive strip applicator, especially for joints in dry partitions - comprises tank with tunnel in base through which strip passes to pick up coating of adhesive
US5498287A (en) * 1994-06-09 1996-03-12 Barnfield; Ronald Apparatus for supporting a fluid and tape to be dispensed for sealing seams of wallboard panels
US6299686B1 (en) 1997-07-11 2001-10-09 Gregory B. Mills Drywall taping and texture system using pump
FR2837856A1 (en) * 2002-03-28 2003-10-03 Andre Selingue Plasterboard joint tape glue applicator comprises container with holder for roll of paper tape and guides to pass it through adhesive
US6712238B1 (en) 2002-10-08 2004-03-30 Spraytex, Inc. Drywall taping and texture system using bladder pump with pneumatic flip/flop logic remote control
US20040188030A1 (en) * 2003-03-25 2004-09-30 Yu-Gang Chen Light and portable adhesive tape cutter
US20070107337A1 (en) * 2005-10-06 2007-05-17 Neal Whitlock Tape and joint compound applicator for drywall
US20090044395A1 (en) * 2007-08-14 2009-02-19 Dura-Tape International Drywall tape applicator and method of using the same
US8286681B2 (en) * 2007-08-14 2012-10-16 Dura-Tape International Drywall tape applicator and method of using the same
US8435377B1 (en) * 2009-06-09 2013-05-07 Rodney K. Greenhalgh Drywall tape dispenser assembly

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