US2676508A - Stud for explosive installation - Google Patents

Stud for explosive installation Download PDF

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Publication number
US2676508A
US2676508A US315598A US31559852A US2676508A US 2676508 A US2676508 A US 2676508A US 315598 A US315598 A US 315598A US 31559852 A US31559852 A US 31559852A US 2676508 A US2676508 A US 2676508A
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United States
Prior art keywords
stud
barrel
tool
bore
frictional
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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
US315598A
Inventor
Virginius R Erickson
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POWDER POWER TOOL Corp
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POWDER POWER TOOL CORP
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Publication date
Application filed by POWDER POWER TOOL CORP filed Critical POWDER POWER TOOL CORP
Priority to US315598A priority Critical patent/US2676508A/en
Priority to GB2602/53A priority patent/GB726329A/en
Application granted granted Critical
Publication of US2676508A publication Critical patent/US2676508A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B19/00—Bolts without screw-thread; Pins, including deformable elements; Rivets
    • F16B19/14—Bolts or the like for shooting into concrete constructions, metal walls or the like by means of detonation-operated nailing tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25C—HAND-HELD NAILING OR STAPLING TOOLS; MANUALLY OPERATED PORTABLE STAPLING TOOLS
    • B25C1/00—Hand-held nailing tools; Nail feeding devices
    • B25C1/08—Hand-held nailing tools; Nail feeding devices operated by combustion pressure
    • B25C1/10—Hand-held nailing tools; Nail feeding devices operated by combustion pressure generated by detonation of a cartridge
    • B25C1/18—Details and accessories, e.g. splinter guards, spall minimisers

Definitions

  • the present-l invention relates to stud driving tools of the type employed for installing studs by explosive action in Wall surfaces, such as concrete and steel, and is concerned more particularly with the provision of an improved stud embodying means for maintaining its position in the bore of the barrel of a tool.
  • the stud is provided with a frictional portion or element or improved character to hold the stud in place in the tool, which enables easy entry of the stud into the breech end of the barrel, which is not lost easily from the stud in handling of the studs before use, which is not apt to be blown off during the explosion, and which does not require care in packaging and is adapted to packaging in a box.
  • Figure 1 is an elevational view of a stud driving tool employing the invention, with a portion of the tool adjacent the combustion chamber broken away and shown in section to illustrate details of construction.
  • Figure 2 is a side elevational view of a stud as shown in Figure 1.
  • Figure 3 is an end elevational view of the stud shown in Figure 2.
  • Figure 4 is a fragmentary enlarged cross-sectional view of the stud as installed in the bore of the barrel, the View being taken as indicated by the line 4--4 in Figure 1.
  • Figures 5 and 6 are elevational views of a modifled form of stud.
  • Figure 7 is a side elevational view of another modified stud.
  • stud driving tools of this character are adapted to be separated or broken into two halves including a rear half Ill which contains the various fire control parts, including, for example, a ring pin carrier II, and a front or barrel half I2 of the tool in which the barrel I3 is included.
  • the barrel I3 is provided with a threaded rear end Ita which has a threaded connection Within the end of the firing pin carrier II to connect the two halves of the tool.
  • the barrel I3 is also provided with an enlarged bore to receive a removable breech plug I4 in which the explosive cartridge I5 is mounted for impact by the ring pin of the iiring mechanism.
  • Firing is accomplished by placing the end of the barrel I3 against the surface into which the stud is to be driven and pressing or telescoping the barrel assembly I2 and the firing pin carrier Il back into the other portions of the tool until a ring position is reached, as disclosed in said application, and then effecting relative turning movement of the central housing and the end grip I8 to re the tool.
  • the deiiector pad structure I9 yieldably mounted about; the barrel I3, is engaged with the surface about the area of engagement of the end of the barrel so as to provide protection from flying particles of the wall surface upon exposive installation of the stud.
  • the stud VI is of special construction and includes a frictional portion or element which is used to frictionally hold or secure the stud in a selected adjusted position in the barrel against movement in either direction. Studs of this general type are disclosed and claimed in the copending application of Webber and Erickson, Serial No. 136,186 filed December 31, 1949, and granted as U. S. Letters Patent No. 2,637,241, on May 5, 1953, for Stud for Explosive Installation.
  • the improved stud shown herein includes the usual sharpened point Ila and the head Ib which is of a diameter to iit closely but freely within the bore of the barrel I3.
  • the stud I'l also includes a shank I Ic intermediate the point and the head which may include a straight, knurled portion I'id.
  • the stud carries the frictional element 2
  • rIhe frictional retainer 2I by virtue of the engagement of its fins 22, within the bore of the barrel, aids in maintaining the stud properly centered with respect thereto, and by virtue of this fact enables a reduced length, when desirable, of the head I'ib of the body of the stud.
  • the side Walls of a iin 22 are preferably parallel to facilitate flexing thereof.
  • the retainer portion of the stud also facilitates packing the studs in boxes and tends to maintain a stable position thereof during shipment and handling.
  • the frictional retainer portion of the stud may be constructed of any suitable iiexible, resilient material, such as paper, plastic, rubber, ,or the like, to be readily removable or destructible, but is preferably of a vinyl resin which is readily combustible or friable so that the ring will be destroyed or substantially destroyed by burning during the expelling of the stud from the tool.
  • a stud Il including a frictional retainer element 23 whose radially extending ns 24 have a generally triangular cross-section.
  • the stud I1 includes a frictional retainer 26 'whose parallel ns 21 which are generally similar to those shown in Figures 2 and 3 but which are twisted or of spiral configuration to provide a riing effect for the stud during its travel along the barrel. This effect increases the stability of the stud after it leaves the barrel of the tool while penetrating the Work surface,
  • the frictional retainer shown can be made as an extruded plastisol tubing which is cut to the desired length.
  • a stud for insertion into the surface of a work piece by its ejection through the bore of an explosively operated stud driving tool said stud comprising a body having a cylindrical head at its rearward end and having a surface penetrating shank at its forward end terminating in a sharpened point, the junction of said head 1 and said shank providing a shoulder, said stud also including a tubular frictional retainer carried on said body and having a circular array of radially extending longitudinal flexible ns extending outwardly beyond the largest diameter of the body.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Toys (AREA)
  • Portable Nailing Machines And Staplers (AREA)

Description

Aprll 27, 1954 v. R. 4ERICKSON sTun FQR ExPLosIvE INSTALLATION M26/,ww fg. :exc/(for Filed 001;. 18, .1952
, ma' "n "s -HTTWEX Patented Apr. 27,Y 1954 UNITED stars PATENT GFFICE STUD FOR EXPLOSIVE INSTALLATION Application October 18, 1952, Serial No. 315,598
6 Claims.
The present-l invention relates to stud driving tools of the type employed for installing studs by explosive action in Wall surfaces, such as concrete and steel, and is concerned more particularly with the provision of an improved stud embodying means for maintaining its position in the bore of the barrel of a tool.
In accordance with the instant invention, the stud is provided with a frictional portion or element or improved character to hold the stud in place in the tool, which enables easy entry of the stud into the breech end of the barrel, which is not lost easily from the stud in handling of the studs before use, which is not apt to be blown off during the explosion, and which does not require care in packaging and is adapted to packaging in a box.
The above and other objects of the invention are attained in certain preferred embodiments of the invention as described in connection with the accompanying drawings, in which:
Figure 1 is an elevational view of a stud driving tool employing the invention, with a portion of the tool adjacent the combustion chamber broken away and shown in section to illustrate details of construction.
Figure 2 is a side elevational view of a stud as shown in Figure 1.
Figure 3 is an end elevational view of the stud shown in Figure 2.
Figure 4 is a fragmentary enlarged cross-sectional view of the stud as installed in the bore of the barrel, the View being taken as indicated by the line 4--4 in Figure 1.
Figures 5 and 6 are elevational views of a modifled form of stud.
Figure 7 is a side elevational view of another modified stud.
Referring to Figure 1, there is shown a stud driving tool of the character described and claimed in the co-pending application of Daniel T. Phillips et al., Serial No. 274,172, filed February 29, 1952, for Stud Driving Tool. In general, stud driving tools of this character are adapted to be separated or broken into two halves including a rear half Ill which contains the various fire control parts, including, for example, a ring pin carrier II, and a front or barrel half I2 of the tool in which the barrel I3 is included. The barrel I3 is provided with a threaded rear end Ita which has a threaded connection Within the end of the firing pin carrier II to connect the two halves of the tool. The barrel I3 is also provided with an enlarged bore to receive a removable breech plug I4 in which the explosive cartridge I5 is mounted for impact by the ring pin of the iiring mechanism. With the parts disassembled, the breech plugr lli is removed and the selected stud I1 is installed in the barrel, the cartridge I5 is placed in the breech plug It, and the parts are reassembled as shown in Figure 1 for a ring operation. Firing is accomplished by placing the end of the barrel I3 against the surface into which the stud is to be driven and pressing or telescoping the barrel assembly I2 and the firing pin carrier Il back into the other portions of the tool until a ring position is reached, as disclosed in said application, and then effecting relative turning movement of the central housing and the end grip I8 to re the tool. At this time the deiiector pad structure I9, yieldably mounted about; the barrel I3, is engaged with the surface about the area of engagement of the end of the barrel so as to provide protection from flying particles of the wall surface upon exposive installation of the stud.
Referring in particular to Figures 1, 2, 3 and 4, the stud VI is of special construction and includes a frictional portion or element which is used to frictionally hold or secure the stud in a selected adjusted position in the barrel against movement in either direction. Studs of this general type are disclosed and claimed in the copending application of Webber and Erickson, Serial No. 136,186 filed December 31, 1949, and granted as U. S. Letters Patent No. 2,637,241, on May 5, 1953, for Stud for Explosive Installation. The improved stud shown herein includes the usual sharpened point Ila and the head Ib which is of a diameter to iit closely but freely within the bore of the barrel I3. The stud I'l also includes a shank I Ic intermediate the point and the head which may include a straight, knurled portion I'id. The stud carries the frictional element 2| which is in the form of a plastic sleeve or tube having a circular array of radially extending fins 22. rThe ns 22, as seen in Figures 3 and 4, are of slightly greater diameter than the head I'Ia of the stud and are deformed or flexed laterally when inserted in the bore of the barrel. rIhe frictional retainer 2I, by virtue of the engagement of its fins 22, within the bore of the barrel, aids in maintaining the stud properly centered with respect thereto, and by virtue of this fact enables a reduced length, when desirable, of the head I'ib of the body of the stud. The side Walls of a iin 22 are preferably parallel to facilitate flexing thereof. The retainer portion of the stud also facilitates packing the studs in boxes and tends to maintain a stable position thereof during shipment and handling. The frictional retainer portion of the stud may be constructed of any suitable iiexible, resilient material, such as paper, plastic, rubber, ,or the like, to be readily removable or destructible, but is preferably of a vinyl resin which is readily combustible or friable so that the ring will be destroyed or substantially destroyed by burning during the expelling of the stud from the tool.
In the modification shown in Figures 5 and 6, a stud Il is shown including a frictional retainer element 23 whose radially extending ns 24 have a generally triangular cross-section.
Referring to Figure 7, in this form of the nvention the stud I1 includes a frictional retainer 26 'whose parallel ns 21 which are generally similar to those shown in Figures 2 and 3 but which are twisted or of spiral configuration to provide a riing effect for the stud during its travel along the barrel. This effect increases the stability of the stud after it leaves the barrel of the tool while penetrating the Work surface,
The frictional retainer shown can be made as an extruded plastisol tubing which is cut to the desired length.
While I have shown and described certain preferred embodiments of the invention, it will be apparent that the invention is capable of both modification and variation from the form shown so that the scope thereof would be limited only by the scope of the claims appended hereto.
I claim:
1. A stud for insertion into the surface of a work piece by its ejection through the bore of an explosively operated stud driving tool, said stud comprising a body having a cylindrical head at its rearward end and having a surface penetrating shank at its forward end terminating in a sharpened point, the junction of said head 1 and said shank providing a shoulder, said stud also including a tubular frictional retainer carried on said body and having a circular array of radially extending longitudinal flexible ns extending outwardly beyond the largest diameter of the body.
2. A stud for insertion into the surface of a work piece by its ejection through the bore of an explosively operated stud driving tool as claimed in claim l, in which the side walls of a fin are parallel.
3. A stud for insertion into the surface of a work piece by its ejection through the bore of an explosively operated stud driving tool as claimed in claim 1, in which each 1in is of triangular cross-section.
4. A stud for insertion into the surface of a work piece by its ejection through the bore of an explosively operated stud driving tool as claimed in claim 1, in Which said frictional retainer comprises a tubular plastic structure of uniform cross-sectional shape throughout its length.
5. A stud for insertion into the surface of a work piece by its ejection through the bore of an explosively operated stu-:l driving tool as claimed in claim l, in which each iin is of spiral conguration,
6. A stud for insertion into the surface of a work piece by its ejection through the bore of an explosively operated stud driving tool as claimed in claim 1, in which the side Walls of a n are parallel; and each fin is of spiral configuration.
References Cited in the file of this patent UNTTED STATES PATENTS Number Name Date 1,656,333 Lund Jan. 17, 1928 2,380,204 Turecheck July l0, 1945 2,593,506 Wales Apr. 22, 1952
US315598A 1952-10-18 1952-10-18 Stud for explosive installation Expired - Lifetime US2676508A (en)

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US315598A US2676508A (en) 1952-10-18 1952-10-18 Stud for explosive installation
GB2602/53A GB726329A (en) 1952-10-18 1953-01-29 Stud for explosive installation

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Cited By (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2853914A (en) * 1950-03-30 1958-09-30 Behrend Herbert Explosive stud with grooved, flexible guiding and retaining element
US2855601A (en) * 1956-06-05 1958-10-14 Jerry F Hamlin Stud driving tool
US2875665A (en) * 1955-06-24 1959-03-03 Tornado Ramset G M B H & Co Bolts and the like for use in bolt and like guns
US2886089A (en) * 1954-10-01 1959-05-12 Schlage Lock Co Threaded member with plastic ring having flexible locking fins
DE1061705B (en) * 1954-07-08 1959-07-16 Walter Schulz Method and device for driving anchoring bolts into receiving workpieces by the pressure of high-tension gases
US2896209A (en) * 1953-05-08 1959-07-28 Hilti Martin Stud driving device
US2904787A (en) * 1955-01-12 1959-09-22 Olin Mathieson Fastener arresting device for a power actuated tool
US2968984A (en) * 1955-03-09 1961-01-24 Olin Mathieson Explosively actuated stud with a front guiding means with a tapered flange
DE1099960B (en) * 1955-06-28 1961-02-16 Walter Schulz Method for shooting bolts into receiving workpieces made of metal, especially steel
DE1111117B (en) * 1955-06-23 1961-07-13 Remington Arms Co Inc Device for shooting in bolts or the like in solid receiving bodies
US3060440A (en) * 1955-08-19 1962-10-30 Olin Mathieson Fastener driving tools
US3133287A (en) * 1954-08-17 1964-05-19 Olin Mathieson Explosively-actuated tools with captive fastening units therefor
US3137195A (en) * 1961-11-20 1964-06-16 American Internat Tool Corp Centering and guiding means for metal studs
US3212388A (en) * 1962-01-17 1965-10-19 Sarmi S A Soc D Applic De Rech Guide means for fasteners intended to be fired with explosively actuated power-tools
FR2335722A1 (en) * 1975-12-15 1977-07-15 Haytayan Harry BAND ASSEMBLING FASTENING ELEMENTS, IN PARTICULAR NAILS, AND FORMING A LOADER FOR PERCUSSION TOOL
US4286496A (en) * 1979-10-12 1981-09-01 Olin Corporation Fastener guidance and retention tip member
US4619430A (en) * 1981-05-29 1986-10-28 Anchor Wire Corporation Of Tennessee Picture frame hanger
US4979858A (en) * 1989-05-30 1990-12-25 Illinois Tool Works, Inc. Guidance device
US20040022600A1 (en) * 2002-08-01 2004-02-05 Newfrey Llc Device for holding a piece in a bore
US20040109742A1 (en) * 2002-08-01 2004-06-10 Newfrey Llc Device, assembly, and method for holding a piece in a bore
DE10337742A1 (en) * 2003-08-13 2005-03-10 Adolf Wuerth Gmbh & Co Kg Holding and guiding element for bolt dispensed from pneumatically operated device, comprising longitudinal ribs along outer surface
US7004704B1 (en) * 2004-09-30 2006-02-28 Illinois Tool Works Inc. Flute positioner
US7073997B2 (en) 2002-10-02 2006-07-11 Newfrey Llc Apparatus and method for holding a piece in a bore
US20070062628A1 (en) * 1999-06-18 2007-03-22 Woodwelding Ag Integral joining
WO2015197848A1 (en) * 2014-06-26 2015-12-30 Finsecur Support part for supporting a device, smoke detector and nailer extender for nailing such a support part
JP2019039535A (en) * 2017-08-28 2019-03-14 日本軽金属株式会社 Riveting method and rivet
CN110671407A (en) * 2019-09-24 2020-01-10 河北可耐信钉业有限公司 High-strength shooting nail and elastic strip

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1991000792A1 (en) * 1989-07-06 1991-01-24 Ramset Fasteners (Aust.) Pty. Limited Aligning members
DK181532B1 (en) * 2022-09-16 2024-04-08 Dissing As Mounting element for panels and method for fastening panels to a support structure

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1656333A (en) * 1921-12-27 1928-01-17 United Shoe Machinery Corp Nail
US2380204A (en) * 1943-11-24 1945-07-10 Lane Wells Co Gun perforator
US2593506A (en) * 1944-07-19 1952-04-22 George F Wales Method and apparatus for punching materials with screws and lodging same therein

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1656333A (en) * 1921-12-27 1928-01-17 United Shoe Machinery Corp Nail
US2380204A (en) * 1943-11-24 1945-07-10 Lane Wells Co Gun perforator
US2593506A (en) * 1944-07-19 1952-04-22 George F Wales Method and apparatus for punching materials with screws and lodging same therein

Cited By (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2853914A (en) * 1950-03-30 1958-09-30 Behrend Herbert Explosive stud with grooved, flexible guiding and retaining element
US2896209A (en) * 1953-05-08 1959-07-28 Hilti Martin Stud driving device
DE1061705B (en) * 1954-07-08 1959-07-16 Walter Schulz Method and device for driving anchoring bolts into receiving workpieces by the pressure of high-tension gases
US2944261A (en) * 1954-07-08 1960-07-12 Schulz Method of driving studs into bodies by high pressure gases
US3133287A (en) * 1954-08-17 1964-05-19 Olin Mathieson Explosively-actuated tools with captive fastening units therefor
US2886089A (en) * 1954-10-01 1959-05-12 Schlage Lock Co Threaded member with plastic ring having flexible locking fins
US2904787A (en) * 1955-01-12 1959-09-22 Olin Mathieson Fastener arresting device for a power actuated tool
US2968984A (en) * 1955-03-09 1961-01-24 Olin Mathieson Explosively actuated stud with a front guiding means with a tapered flange
DE1111117B (en) * 1955-06-23 1961-07-13 Remington Arms Co Inc Device for shooting in bolts or the like in solid receiving bodies
US2875665A (en) * 1955-06-24 1959-03-03 Tornado Ramset G M B H & Co Bolts and the like for use in bolt and like guns
DE1099960B (en) * 1955-06-28 1961-02-16 Walter Schulz Method for shooting bolts into receiving workpieces made of metal, especially steel
US3060440A (en) * 1955-08-19 1962-10-30 Olin Mathieson Fastener driving tools
US2855601A (en) * 1956-06-05 1958-10-14 Jerry F Hamlin Stud driving tool
US3137195A (en) * 1961-11-20 1964-06-16 American Internat Tool Corp Centering and guiding means for metal studs
US3212388A (en) * 1962-01-17 1965-10-19 Sarmi S A Soc D Applic De Rech Guide means for fasteners intended to be fired with explosively actuated power-tools
FR2335722A1 (en) * 1975-12-15 1977-07-15 Haytayan Harry BAND ASSEMBLING FASTENING ELEMENTS, IN PARTICULAR NAILS, AND FORMING A LOADER FOR PERCUSSION TOOL
US4286496A (en) * 1979-10-12 1981-09-01 Olin Corporation Fastener guidance and retention tip member
US4619430A (en) * 1981-05-29 1986-10-28 Anchor Wire Corporation Of Tennessee Picture frame hanger
US4979858A (en) * 1989-05-30 1990-12-25 Illinois Tool Works, Inc. Guidance device
US20070062628A1 (en) * 1999-06-18 2007-03-22 Woodwelding Ag Integral joining
US7815409B2 (en) * 1999-06-18 2010-10-19 Woodwelding Ag Integral joining
US20040022600A1 (en) * 2002-08-01 2004-02-05 Newfrey Llc Device for holding a piece in a bore
US20040109742A1 (en) * 2002-08-01 2004-06-10 Newfrey Llc Device, assembly, and method for holding a piece in a bore
US7029221B2 (en) 2002-08-01 2006-04-18 Newfrey Llc Sleeve device with internal fins for holding a piece such as a bolt in a bore
US7029219B2 (en) 2002-08-01 2006-04-18 Newfrey Llc Device, assembly, and method for holding a piece in a bore
US8020278B2 (en) 2002-10-02 2011-09-20 Newfrey Llc Method for holding a piece in a bore
US7073997B2 (en) 2002-10-02 2006-07-11 Newfrey Llc Apparatus and method for holding a piece in a bore
US20060216136A1 (en) * 2002-10-02 2006-09-28 Newfrey Llc Apparatus and method for holding a piece in a bore
DE10337742A1 (en) * 2003-08-13 2005-03-10 Adolf Wuerth Gmbh & Co Kg Holding and guiding element for bolt dispensed from pneumatically operated device, comprising longitudinal ribs along outer surface
US20060104743A1 (en) * 2004-09-30 2006-05-18 Illinois Tool Works, Inc. Flute positioner
US7004704B1 (en) * 2004-09-30 2006-02-28 Illinois Tool Works Inc. Flute positioner
WO2015197848A1 (en) * 2014-06-26 2015-12-30 Finsecur Support part for supporting a device, smoke detector and nailer extender for nailing such a support part
JP2019039535A (en) * 2017-08-28 2019-03-14 日本軽金属株式会社 Riveting method and rivet
CN110671407A (en) * 2019-09-24 2020-01-10 河北可耐信钉业有限公司 High-strength shooting nail and elastic strip

Also Published As

Publication number Publication date
GB726329A (en) 1955-03-16

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