US3688964A - Fastener drive tool for caseless loads - Google Patents

Fastener drive tool for caseless loads Download PDF

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Publication number
US3688964A
US3688964A US68623A US3688964DA US3688964A US 3688964 A US3688964 A US 3688964A US 68623 A US68623 A US 68623A US 3688964D A US3688964D A US 3688964DA US 3688964 A US3688964 A US 3688964A
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Prior art keywords
barrel
fastener drive
housing
fastener
muzzle end
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Expired - Lifetime
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US68623A
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English (en)
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Charles J De Caro
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SPEED FASTENER Inc
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SPEED FASTENER Inc
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    • 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
    • B25C1/082—Hand-held nailing tools; Nail feeding devices operated by combustion pressure generated by detonation of a pellet
    • B25C1/087—Hand-held nailing tools; Nail feeding devices operated by combustion pressure generated by detonation of a pellet operated by a hammer blow

Definitions

  • the invention relates generally to fastener driving tools, and more particularly to an anvil-type or hammer actuated tool utilizing caseless powder loads.
  • the present invention comprises a powder actuated tool of the type for driving fasteners and the like as utilized in construction and other trades, and adapted particularly for the use of caseless powder loads that are now or may become commercially available.
  • the principal object of the present invention is to provide a novel fastener drive tool of simple construction eliminating the need for complex closure, trigger, sear, firing pin, cartridge holding, cartridge ejection and like mechanisms of present day tool design.
  • Another object is to provide a powder actuated tool that is efficient in operation, provides exceptional safety standards against drop-fire and like incidents, has quick opening and quick disconnect features for rapid reloadiri'g of the tool and interchange of different assemblies for accommodating different types of powder loads and various types of fasteners or to provide a configuration compatible to the requirements of certain applications.
  • Another object is to provide a powder actuated tool of simple one-piece configuration that may be dismantled and re-assembled manually without the use of tools.
  • FIG. 1 is a top plan view of a fastener drive tool embodying the present invention
  • FIG. 2 is a longitudinal cross-sectional view taken along line 2-2 of FIG. 1;
  • FIG. 3 is a cross-sectional view taken along line 3-3 of FIG. 2;
  • FIG. 4 is a cross-sectional view taken along line 4-4 of FIG. 2;
  • FIG. 6 is a fragmentary view taken along line 6-6 of FIG. 5;
  • FIG. 7 is a longitudinal cross-sectional view, similar to FIG. 2, showing a modified embodiment of the tool
  • FIG. 8 is a fragmentary elevational view of the modified tool as seen from line 8-8 of FIG. 7;
  • FIG. 9 is a cross-sectional view taken substantially along line 9-9 of FIG. 7;
  • FIG. 10 is a perspective view of the barrel member of the modified tool shown in FIG. 7;
  • FIG. 11 is a greatly enlarged sectional perspective view illustrating a typical caseless powder load adapted for use with a fastener drive tool of the present invention.
  • FIG. 11 illustrates a typical caseless powder load 12 adapted for use with fastener drive tools embodying the invention
  • a powder load 12 may also be referred to in the trade as a powder charge, a capsule or a pellet.
  • the caseless powder load 12 shown in FIG. 11 does not have a primer, and comprises an annular main body portion 13 having a peripheral outer wall 13' and outwardly facing annular lands or shoulders 13" and a central web 14 having spherical or convex outer surfaces 14' inset from the annular lands 13" by recesses 15.
  • the barrel section 24 of the housing member 21 has a longitudinal axial bore wall 28 in which a sleeve-type ram guide member 29 is slidably mounted, the guide member 29 having an axial guide bore 30 and may have a counterbore 31 at its muzzle end for positioning the fastener 16.
  • a ram member 32 has an axially-extending cylindrical ram or piston rod 33 slidably positioned in the ram guide bore 30 and an enlarged head 34 slidable in said housing bore 28, the ram and guide members 32 and 29 comprising fastener drive means for positioning and driving the fastener 16 into a workpiece (not shown) in a conventional manner readily apparent to those skilled in the art.
  • the housing member 21 is also provided with an outer covering or handle grip member 35.
  • the cylindrical barrel section 24 may be formed integral with the breech section 23, and a breech chamber or cavity'36 is formed at the breech or first end of the barrel member bore 28 at which ignition takes place for operation of the tool 20.
  • the breech chamber 36 extends axially into the breech block 23 and is defined by an end wall 36' and side wall 36" in which the head 34 of the ram member 32 has a close tolerance sliding fit.
  • Ignition means are provided at or adjacent to the breech chamber 36 and, in the embodiment of the invention illustrated, the ram head 34 is provided with an axial bore forming an ignition cavity 37 with a stepped end wall having an annular shoulder 37' and axial central protrusion 37", FIGS. 2 and 5, substantially complementary to the configuration of the annular land 13" and recess of the powder load 12, and the cavity side wall 38 having a predetermined diameter or circumferential size to snugly receive and may frictionally hold the outer periphery 13 of the powder load 12.
  • the ignition cavity 37 has a substantial axial length, which represents the high pressure ignition stroke that may be varied to accommodate different or multiple powder loads 12, as will be described.
  • the tool is provided with a quick opening or swing away feature adapted to facilitate loading the tool and with a quick disconnect feature for substitution of ram guide and ram members 29 and 32, i.e., fastener drive means, with different powder loads of different energy magnitude or with fasteners for different types of powder actuated work.
  • the barrel housing section 24 extends axially from the breech section 23 to its muzzle or second end 39.
  • the upper wall portion of the barrel section 24 is relieved by an elongated first or upper slot or major channel 40 extending from the muzzle end 39 a predetermined distance and delimited by side walls 40 formed tangentially from the diameter of the barrel bore 28 and by squared-off end wall 40".
  • a pair of guide and hinge pins 44 are press fit into the spaced wall segments 43 adjacent to the muzzle end 39 and project in opposed relation fromthe side wall surfaces 43' into the barrel bore 28.
  • the sleeve-type ram guide member 29 comprises the cylindrical outer wall 42 slidable in the barrel section bore 28, and having elongated slots 45 formed intermediate its ends and on opposite sides in the outer wall surface 42 and being slidably received on the guide pins 44 in a last-motion connection therewith for movement between a first or inner breech end 45' and a second or outer muzzle end 45" or positions intermediate thereto.
  • the muzzle end of the ram guide member 29 has an enlarged head or flange 46 for abutment against the barrel muzzle 39 in the fully telescoped position and for abutment against a workpiece (not shown) in any ready-to-fire position of the tool 20, with the guide pins 44 being adjacent to the muzzle end 45" of the slots 45, FIG. 2.
  • the axial extent of the slots 45 is predetermined to permit the ram guide and ram members 29 and 32 to be withdrawn axially of the barrel section 24 to an extended position in which the guide pins 44 are positioned at the breech end 45 of the slots 45.
  • the head section 22 extends axially from the breech block section 23 of the barrel member 21 and may be formed integral therewith.
  • the head section 22 has a cylindrical outer wall 50 and an end wall 51, and an axial bore in the head section 22 forms a firing pin chamber 52 having a side wall 52 and end wall 52", FIG. 5.
  • An axial bore having. a cylindrical wall 53 is formed through the breech block section 23 between the end wall 52" of the firing pin chamber 52 and the end wall 36 of the breech cavity 36.
  • the firing pin assembly 25 comprises a firing pin 54 with a head portion 55 in sliding engagement with the side wall 52' of the chamber 52 and a shank portion 56 of reduced diameter forming an annular shoulder 55 with the head portion 55.
  • the shank portion 56 has a close tolerance sliding fit with the cylindrical wall 53 of the breech block section 23 and with the side wall 38 of the ignition cavity 37 formed in the ram head 34.
  • the working end of the firing pin 54 has an annular shoulder 56' and a central protrusion 56" substantially complementary to the configuration of the annular land 13" and recess of the powder load 12. It will be noted that the firing pin shank 56 extends axially into the ignition cavity bore 38 a substantial depth in the ready-to-fire position shown in FIG. 2,
  • the firing pin assembly 25 also includes a firing pin spring 57 positioned in the chamber 52 between the end wall 52" and firing pin shoulder 55' and biasing the firing pin 54 toward the remote or non-fire position.
  • the head section 22 is also provided with means for assembly of the anvil member 26 thereon, comprising a pair of key-stone shaped quadrant mounting lugs 58 formed on opposite sides at the outer end 51 of the cylindrical outer wall 50 and extending radially outwardly therefrom.
  • the lugs 58 have arcuate outer surfaces 58' concentric with the cylindrical wall 50 and radial side walls 58" defining the key-stone configuration, FIG. 3.
  • Abutment surfaces 59 are formed on the side of the lugs 58 away from the end wall 51, and one of the lugs 58 is tapped, at 60, to secure a radially extending mounting pin 61.
  • the anvil member 26 comprises a cylindrical body 63 forming an impact head 63 of substantial mass with an outer end anvil surface 64 to receive a hammer blow to actuate the tool 20.
  • the anvil member body 63 has a central socket or cavity 65 extending from its other end 66 and defined by inner end wall 65' and cylindrical side wall 65".
  • a pair of opposed quadrant mounting lugs 67 project radially inwardly from the cylindrical wall 65" and are of key-stone configuration similar to the lugs 58 on the head section 22.
  • the lugs 67 have arcuate inner wall surfaces 67 and radial side margins 67", and abutment surfaces 68 are formed on the socket side of the lugs 67.
  • the diameter of the central cavity side wall 65" accommodates the diametral dimension between the arcuate outer margins 58' of the lugs 58 on the housing head section 22, FIG. 3, and the diametral dimension between the arcuate inner surfaces 67 of the lugs 67 on the anvil member 26 accommodates the diameter of the cylindrical outer wall 50 on the head section 22, FIG. 4.
  • the central socket 65 is accessible through the peripheral opening formed at the end wall 66 and defined by the opposed quadrants of the cylindrical wall 65" and by the margins 67' and 67 of the opposed quadrant lugs 67, which opening is complementary to the end configuration of the head section 22.
  • the anvil member 26 is assembled on the head section 22 by aligning the head section with the complementary opening to the anvil socket 65 and axially interfitting the two parts by compressing the firing pin spring 57 by pressure exerted through the anvil 26 and firing pin 54.
  • the anvil member 26 is then rotated 90 to align the slot 69 with the tapped opening 60 in the head section lug 58 and threading the mounting pin 61 into the opening 60.
  • the rotation of the anvil 26 relative to the head section 22 aligns the quadrant lugs 58 and 67 for firm abutment between the opposed arcuate segment abutment surfaces 59 and 68 thereof in the normal retracted non-firing position under pressure of the firing pin spring 57.
  • the breech block section 23 of the housing member 21 is formed with a cylindrical wall or collar 72 extending radially outwardly from the outer surfaces of the head and barrel sections 22 and 24 and forming annular shoulders 72' and 72" therewith.
  • the safety lever assembly 27 is mounted on the collar 72 of the housing member 21 and comprises an elongated bell crank lever 73 having a safety latch portion 74 formed with an anvil engaging lug or pawl 75 and a housing abutting lug or pawl 76.
  • the lever 73 also has an elongated handle portion 77 extending from the double latch or pawl means 75 and 76, and a fulcrum mounting lug 78 is provided intermediate to the latch and handle portions 74 and 77.
  • the outer casing member 35 is formed of suitable plastic material and comprises a sleeve-type body portion 83 having a cylindrical bore 83.
  • a larger first annular conical end portion 84 is formed on one end of the body portion 83 for positioning at the breech section 23, and an enlarged counterbore 84 offset from the bore 83' abuts the collar 72 and shoulder 72".
  • a smaller second annular conical end portion 85 is formed on the other end for positioning adjacent to the muzzle end of the barrel housing section 24 and has a bore 85' conterrninous with the cylindrical bore 83'.
  • the outer surface 86 of the body portion 83 tapers inwardly from the larger conical portion 84 to the small conical portion 85.
  • grooves 149 and 149' form a bayonet-type channel means adapted to facilitate dismantling the fastener drive means (129 and 132) from the barrel housing 124 in a non-axial movement, but without first swinging or pivoting the fastener drive means to a perpendicular or angular position relative to the axis of the barrel bore.
  • the main housing 121 of the tool is formed with a through bore extending from the breech block section 123 to the muzzle end and principally forming the barrel bore 128, and the head section 122 is counterbored to from a larger chamber 152 for the firing pin assembly 125.
  • the breech section 123 includes a breech plug 191 having acircular base por tion 192 which is press fit into the through bore (128) and its end wall 136 defines the end of breech chamber 136.
  • the head section 122 also includes quadrant mounting lugs 158 positioned in the central socket of the anvil member 126 in assembled relation and having abutment surfaces 159 engaged against abutment surfaces 168 formed on quadrant lugs 167 of the anvil 126 in the non-fire position.
  • the head 155 of the firing pin 154 is seated in an axial cavity 196 and a threaded radial porthole 196' is formed through the anvil wall for receiving a bolt 196" having an inner end surface complementary to and aligned with the circumferential groove 155" of the firing pin head 155.
  • a mounting or assembly channel 197 is formed in the anvil to provide communication between the slot 169 and the open end of the anvil socket 165 intermediate to the quadrant lugs 167, the channel 197 including an arcuate slot 197' extending from intermediate the ends of the elongated slot 169 circumferentially around the anvil 126 substantially 90 to communicate with an axial slot 197" extending to the open end.
  • anvil member 126 is assembled on the head section 122 by aligning the pin 161 with the axial slot 197" and the quadrant lugs 158 with the complementary access opening to the anvil socket 165, as previously described, and moving the members 122 and 126 axially together to compress the firing pin spring 157 and then rotating one of the members 122, 126 90 relative to the other to move the pin 161 along the arcuate slot 197' to the elongated slot 169.
  • the abutment surfaces 159 and 168 will thus be aligned, and the spring 157 will bring the lugs 158 and 167 together and move the pin 161 to one end of the slot 169 in the normally retracted non-fire position as shown in FIGS. 7 and 8.
  • the anvil member 126 is also provided with a mallet or hammer cushion 198 to substantially reduce the high noise level incident to metal to metal striking contact normally produced in hammer actuation of anvil-type tools heretofore.
  • the cushion 198 is seated in a recess 198' on the anvil and secured by a suitable epoxy-type adhesive, a pinhole port 198" being formed between the recess 198' and axial cavity 196 to prevent air entrapment during assembly.
  • the cushion 198 is preferably formed from a plastic material selected to provide an impact face 164 and yieldable mass having a predetermined co-efficient of restitution to most effectively impart energy from the hammer blow through the anvil mass 163' to the firing pin 154.
  • a plurality of spaced radially extending abutment tabs 201 are provided on the band spring 199 for surface abutment with the casing member 135.
  • the friction means comprises a radial stepped bore 202 having a larger outer portion communicating with the annular groove 190, and a stepped detent 203 is positioned in the bore 202 and biased inwardly by the band spring 199 for frictional engagement with the ram guide member 129.
  • FIGS. 2 and 7 illustrate the respective positions of the components preparatory to actuation.
  • the anvil member 26, 126 and firing pin 54, 154 are biased by the firing pin spring 57, 157 away from the main housing member 21, 121 to the remote non-fire position and are maintained in this spaced away position by the safety latch member 73, 173.
  • the anvil pawl 75 engages the anvil rim 70 and the housing pawl 76 abuts the housing shoulder 80, the angularity of the face of pawl 75 and position of the latch member 73, 173 being such that relative axial movement of the anvil 26, 126 toward the housing 21, 121 would wedge the bifurcated latch portion 74, 174 more firmly between the members to prevent axial movement of the firing pin 54, 154 into its actuated firing or ignition position.
  • a powder load 12 is positioned in the ignition chamber 37, 137 between the working end (56', 56") of the firing pin 54, 154 and the ram head 34, 134.
  • Telescoping of the firing pin shank 56, 156 in the ignition chamber bore comprises one method of confining the gases evolved during ignition for effective displacement of the ram member 32, 132, but other ignition chamber means for obturation and effective actuation may be provided.
  • the breech end of the ram head is shown abutting the end wall 36', 136' of the breech chamber 36, 136 in condition for a single powder load 12 as usually employed, thereby defining a fully telescoped first position of the ram member 32, 132 in ready-to-fire condition and preventing further relative axial movement of the ram member toward the firing pin 54, 154 which might inadvertently ignite the powder load 12 as when the tool 20, might be dropped accidentally ,on its muzzle end.
  • the axial depth of the ignition chamber 37, 137 accommodates two loads and the end of the ram head 34, 134 may be spaced from the breech chamber end wall 36', 136.
  • the ram portion 33, 133 is slidable in the ram guide bore 30, and, likewise, the ram guide member 29, 129 slides in the barrel housing bore 28, 128for rectilinear axial movement provided by the longitudinal guide slots 45, on the hinge pins 44, 144.
  • the ram and ram guide members are dismantled from the pins 44, 144 through the notches 47 or channel means 149, 149 as previously described.
  • a fastener drive tool adapted to use caseless powder loads for implanting fastener devices, comprising a main housing member having head, breech and barrel sections, said barrel section having a barrel bore with an open muzzle end and a breech end accessible through said muzzle end, fastener drive means in said barrel bore in a first ready-to-fire position and including relatively axially slidable ram guide and ram members with means for receiving a powder load at the breech and of one member and means for receiving a fastener device at the muzzle end of the other member, said ram guide and ram members being movable from said first position to an axially extended and non-axial position relative to said barrel section for access at said muzzle end to said powder load receiving means, and other means operative in the non-axial position of said fastener drive means permitting it to be disengaged from said housing member, an anvil member mounted on said head section for axial movement relative thereto-between a remote non-firing position and an actuated ignition position, firing pin means house
  • a fastener drive tool comprising a barrel housing having a barrel bore with an open muzzle end and an inner breech chamber end accessible through said muzzle end, fastener drive means axially slidable in said barrel bore from a first ready-to-fire position to a second position extending from said open muzzle end, and means for providing relative non-axial movement between said fastener drive means and said barrel housing for loading a powder charge at said open muzzle end of said barrel housing.
  • fastener drive tool in which said fastener drive means includes a breech chamber end having an ignition cavity therein and a muzzle end for accommodating a fastener, and said last mentioned means including means for pivoting said fastener drive means to an angular position relative to said housing member for access to said ignition cavity.
  • said fastener drive means comprises a ram guide member slidable in said barrel bore and having a bore with a muzzle end to hold a fastener, said longitudinal grooves being formed on opposite sides of said ram guide member in diametral alignment and having first and second ends delimiting axial movement of said ram guide member on said pin means, a ram member having a breech end with an ignition cavity therein and a working end slidable in said ram guide bore and adapted for driving a fastener from the muzzle end.
  • said other groove means comprises lateral notches formed tangentially from said longitudinal grooves intermediate to the first and second ends thereof for accommodating separation of said ram guide member from said barrel housing in the non-axial angular position of the former.
  • said fastener drive means in which said other groove means comprises lateral grooves extending circumferentially from said longitudinal grooves and in diametral alignment, and axial grooves extending from said lateral grooves to one end of said ram guide member for accommodating separation of said ram guide member from said barrel housing in an axial direction and in which said non-axial movement comprises a relative rotation component provided by said lateral grooves.
  • a fastener drive tool comprising a barrel housing having a barrel bore with an open muzzle end and an inner breech end accessible through said muzzle end, fastener drive means including first and second members axially slidable relative to each other and to said barrel bore, first means for normally maintaining said members in said slidable relationship with said barrel housing and preventing separation thereof, and second means for providing relative non-axial movement between said fastener drive means and said barrel housing for separating the former from the latter.
  • said first means comprises a lost-motion connection between at least one of said first and second members and said barrel housing
  • said other means includes non-axial groove means in one of said barrel housing and said one member in communication with said lost-motion connection.
  • said first means comprises guide pins secured to said barrel housing and projecting radially into said barrel bore and longitudinal grooves formed on opposite sides of one of said first and second members delimiting relative axial movement of said one member on said guide pins
  • said second means comprises lateral grooves extending circumferentially from said longitudinal grooves and axial grooves extending from said lateral grooves to one end of said one member from said barrel housing in an axial direction and in which said non-axial movement comprises a relative rotation component provided by said lateral grooves.
  • a fastener drive tool comprising a housing having barrel and head sections, a barrel bore formed in said barrel section having an open muzzle end and an inner breech chamber end adjacent to said head section and being accessible through said muzzle end, fastener drive means in said barrel bore including ignition chamber means for a powder load positioned in said breech chamber end in ready-to-fire position, means carried by said head section for firing a powder load in said ignition chamber, said fastener drive means being relatively axially slidable in said barrel bore from said ready-to-fire position to a position extending from said open muzzle end, and means for providing relative nonaxial movement between said fastener drive means and said barrel section for accessibility to said ignition chamber means.
  • a fastener drive tool comprising a barrel housing member having a muzzle end, an outer wall surface extending longitudinally from said muzzle end, and an abutment extending outwardly from said outer wall surface in spaced relation with said muzzle end; and an integral handle grip casing member for said housing member including a body portion with an internal wall complementary to said outer wall surface and positioned between said abutment and said muzzle end, a first end portion having an internal opening offset from said internal wall of said body portion and engaged against said housing member abutment, and a'second end portion positioned adjacent to said muzzle end and having an internal opening conterminous with said internal wall of said body portion; retainer means engaging said outer wall surface of said housing member and said second end portion of said casing member, safety lever means pivotally mounted on said barrel housing member and having an elongated handle, and said casing member having a tunnel opening formed in said first end portion and an elongated groove formed in said body portion to accommodate said safety lever means.
  • said retainer means comprises an annular band spring circumferentially disposed in said annular groove and having an end portion biasing said stepped detent radially inwardly for frictional engagement with said fastener drive means.
  • a fastener drive tool having relatively axially movable housing and anvil members and powder ignition means actuated by said axial movement in one direction, said housing and anvil members have opposed abutment surfaces movable toward each other upon said axial movement in one direction, and rigid safety latch means mounted on one of said members and including spaced abutment engaging means normally engaged against said abutment surfaces for preventing said axial movement and ignition means actuation, and manually operable means for releasing said rigid safety latch means.
  • said safety latch means includes a fulcrum portion pivotally mounted on the exterior of said housing member and said bifurcated latch portion extends radially inwardly between said housing and anvil members from one end of said fulcrum portion, and said manually operable means being provided on the other end of said fulcrum portion and being movable radially inwardly toward said housing member to displace at least one of said abutment margins radially outwardly and out of axial alignment between said members.
  • a fastener drive tool comprising a barrel housing member having a barrel bore with an open muzzle end and an inner breech end accessible through the muzzle end, fastener drive means including first and second telescoped members movably positioned in said barrel bore, ignition means for a powder load adjacent to the inner end of one of said first and second members, fastener holding means for a fastener defined by the other ends of said first and second members, and said first and second telescoped members being relatively axially movable in said barrel bore to adjust their relative axial positions to accommodate fastener means of different lengths.

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Portable Nailing Machines And Staplers (AREA)
US68623A 1970-09-01 1970-09-01 Fastener drive tool for caseless loads Expired - Lifetime US3688964A (en)

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US6862370A 1970-09-01 1970-09-01
FR7231466A FR2198401A5 (enrdf_load_stackoverflow) 1970-09-01 1972-09-05

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CA (1) CA940652A (enrdf_load_stackoverflow)
FR (1) FR2198401A5 (enrdf_load_stackoverflow)

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US4138788A (en) * 1977-03-14 1979-02-13 Hilti Aktiengesellschaft Explosive powder operated setting device
US4651912A (en) * 1985-05-28 1987-03-24 Uniset Corporation Hammer-activated fastener tool
US4687126A (en) * 1985-11-21 1987-08-18 Research Plus, Inc. Power actuated tool for driving fastener
US4830252A (en) * 1986-07-23 1989-05-16 Continental/Midland, Inc. Hammer-activated, powder-actuated drive tool
US5996875A (en) * 1994-11-17 1999-12-07 Ramset Fasteners (Aust.) Pty, Limited Power actuated fastening tool
US20080241781A1 (en) * 2005-10-28 2008-10-02 Sefmat Rue De Betnoms Hot Air Internal Ignition Burner/Generator
US20090145018A1 (en) * 2007-12-05 2009-06-11 Reitenbaugh Sr Vernon J Percussive rodent trap
US20110198382A1 (en) * 2010-02-12 2011-08-18 Fernando Masas Apparatus for installing explosively driven fasteners and fasteners for use therewith
WO2011100092A1 (en) * 2010-02-12 2011-08-18 Nitroset, Llc Apparatus for installing fasteners and explosive loads for use therewith
US20210260740A1 (en) * 2020-02-21 2021-08-26 Joe Lin Apparatus for installing explosively driven fasteners
US11117249B2 (en) * 2018-05-23 2021-09-14 Illinois Tool Works Inc. Powered fastener driving tool
US20220184789A1 (en) * 2020-12-10 2022-06-16 Chun Po Huang Removal Apparatus of Threaded Post
US20230131301A1 (en) * 2021-10-22 2023-04-27 Dan Esslinger Golf balls with kinetic projectiles
US20240100400A1 (en) * 2021-10-22 2024-03-28 Dan Esslinger Golf balls with kinetic projectiles

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US3563439A (en) * 1968-06-18 1971-02-16 Omark Industries Inc Powder actuated tool

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US2839754A (en) * 1957-03-22 1958-06-24 Elmer F Pfaff Fastener driving tool
US2968811A (en) * 1955-01-21 1961-01-24 Olin Mathieson Fastener device
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US3559272A (en) * 1968-09-16 1971-02-02 Omark Industries Inc Driving cap for drivepin, and tool and method therefor
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US2166041A (en) * 1936-04-01 1939-07-11 Cox Percy Explosively actuated under water riveting and punching or like apparatus
US2968811A (en) * 1955-01-21 1961-01-24 Olin Mathieson Fastener device
US2839754A (en) * 1957-03-22 1958-06-24 Elmer F Pfaff Fastener driving tool
US3022513A (en) * 1960-09-20 1962-02-27 Mine Safety Appliances Co Explosive actuated stud driving tool
US3105238A (en) * 1960-12-05 1963-10-01 Fur Montage Technik Anstalt Stud-driving apparatus
US3115637A (en) * 1961-08-11 1963-12-31 Olin Mathieson Explosive actuated fastener driving tools
US3343741A (en) * 1964-08-04 1967-09-26 Massacrier Jean Marie Frederic Dowel driving device
US3563439A (en) * 1968-06-18 1971-02-16 Omark Industries Inc Powder actuated tool
US3559272A (en) * 1968-09-16 1971-02-02 Omark Industries Inc Driving cap for drivepin, and tool and method therefor

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CA940652A (en) 1974-01-29
FR2198401A5 (enrdf_load_stackoverflow) 1974-03-29

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