WO1999017908A1 - Outil et vis de fraisurage - Google Patents

Outil et vis de fraisurage Download PDF

Info

Publication number
WO1999017908A1
WO1999017908A1 PCT/AU1998/000834 AU9800834W WO9917908A1 WO 1999017908 A1 WO1999017908 A1 WO 1999017908A1 AU 9800834 W AU9800834 W AU 9800834W WO 9917908 A1 WO9917908 A1 WO 9917908A1
Authority
WO
WIPO (PCT)
Prior art keywords
screw
tool
countersinking
cutting
head
Prior art date
Application number
PCT/AU1998/000834
Other languages
English (en)
Other versions
WO1999017908A8 (fr
Inventor
John Edgley Newton
Patricia Evelyn Page
Jason Luther Page
Original Assignee
Fcd (Holdings) Pty. Limited
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from AUPO9638A external-priority patent/AUPO963897A0/en
Priority claimed from AUPP2235A external-priority patent/AUPP223598A0/en
Priority claimed from AUPP2236A external-priority patent/AUPP223698A0/en
Priority claimed from AUPP3543A external-priority patent/AUPP354398A0/en
Application filed by Fcd (Holdings) Pty. Limited filed Critical Fcd (Holdings) Pty. Limited
Priority to JP2000514761A priority Critical patent/JP2001519245A/ja
Priority to EP98947235A priority patent/EP1091834A1/fr
Priority to CA002321003A priority patent/CA2321003A1/fr
Priority to AU94242/98A priority patent/AU9424298A/en
Priority to BR9814505-3A priority patent/BR9814505A/pt
Publication of WO1999017908A1 publication Critical patent/WO1999017908A1/fr
Publication of WO1999017908A8 publication Critical patent/WO1999017908A8/fr

Links

Classifications

    • 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
    • F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
    • F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
    • F16B35/06—Specially-shaped heads
    • F16B35/065—Specially-shaped heads with self-countersink-cutting means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23B—TURNING; BORING
    • B23B51/00—Tools for drilling machines
    • B23B51/10—Bits for countersinking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B15/00—Screwdrivers
    • B25B15/001—Screwdrivers characterised by material or shape of the tool bit
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B15/00—Screwdrivers
    • B25B15/001—Screwdrivers characterised by material or shape of the tool bit
    • B25B15/004—Screwdrivers characterised by material or shape of the tool bit characterised by cross-section
    • B25B15/005—Screwdrivers characterised by material or shape of the tool bit characterised by cross-section with cross- or star-shaped cross-section
    • 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
    • F16B23/00—Specially shaped nuts or heads of bolts or screws for rotations by a tool
    • F16B23/0007—Specially shaped nuts or heads of bolts or screws for rotations by a tool characterised by the shape of the recess or the protrusion engaging the tool

Definitions

  • MDF Medium Density Fibreboard
  • CRAFTWOOD Medium Density Fibreboard
  • a dense outer layer of MDF causes difficulties for trades people when assembling such MDF into a structure such as tor example architraving, skirting board or frame or boarder material
  • Such operations are typically carried out using sophisticated self tapping screws which were developed for fibre board use
  • Such screws do not have self drilling capability as the self drilling capability adds greatly to the cost of such screws
  • the fibre board screws tend to have only a sharp point which is designed for softer material whereby application of pressure to the point embeds the point into the material so that the start of the thread is actually in the material
  • the sharp screw point does not penetrate the dense outer layer This can have disastrous results for the tradesperson, as they are normally applying great force and may result in the screw slewing off in one direction This will can cause injury to the tradesperson or damage to the MDF workpiece as well as be generally inconvenient
  • a time consuming, and fiddly fabrication function is the need to countersink a screw into a surface into which a screw is to be assembled Countersinking represents another difficulty for a tradesperson which is exacerbated when MDF is involved
  • Some countersinking screw heads are manufactured so as to include a series of elongated triangular prism formations along the slant height ot a countersunk head These prism formations have a great deal of difficulty counter sinking a screw in an MDF-board due to the density of the surface of the board One difficult is that MDF's density leads to the head of the screw fracturing from the shank
  • the screwd ⁇ ving tool can be of a flat blade variety or a four blade variety such as cross shape or Phillips head type
  • the cutting tip can be formed by a concave cut out intersecting with the screw driving end with the cutting tip converging to either a point or a surface
  • the invention provides a screwdnving and countersinking tool having a narrow end and a broad end said narrow end having a screw engaging means so as to be able to drive a screw when said screw engaging means has engaged a screw, said tool having formed thereon, between said narrow end and said broad end a countersinking means, said narrow end including as part of said screw engaging means a shearing means to allow said narrow end to engage a surface to be countersunk and to remove material from said surface when said tool is rotated
  • said tool has a generally pyramidal shape
  • said tool has a generally conical shape
  • said tool has one or more screwdnving members as its screw engaging means
  • said tool has a Phillips head configuration as its screw engaging means
  • screw engaging means has at, at least one terminus, said shearing means
  • said tool includes at least one continuous shearing formation which is located between said narrow end and said broad end
  • said tool includes more than one discontinuous shearing formation which are located between said narrow end and said broad end
  • said more than one discontinuous shearing formations are overlapping
  • shearing formations and other parts of the tool which are not insertable into a screw head, are able to perform the countersinking function, and at the same time are sate to contact when the tool is rotating
  • the invention also provides a screwdnving tool to drive a screw into a surface, said tool including a converging screw engagement end which has a formation to engage a screw, said formation also forming part of a countersinking means formed on the remainder said tool, wherein said countersinking means is also formed on said engagement end with said countersinking means at least in part being insertable into a recess in said screw, said recess being used to drive said screw into a surface
  • the invention also provides a countersinking screw having slot located in a head for driving said screw and a threaded shank extending away from said head, said screw having a longitudinal axis of rotation around which said screw is constructed, said head being of a generally conical formation which is converging in the direction from said head to said threaded shank, said head having at least one discontinuous circumferential surface therearound, said head including at least one blade portion thereon, said blade potion being characterised by a cutting surface which lies in a plane which is at an angle relative to a plane which includes said axis of rotation, said head being further characterised by the said at least one circumferential surface starting at a first slant line location and ending at a second slant line location, said first slant line location being at a first end of said cutting surface and said second slant line location being at a second end of said cutting surface, said first end of said cutting surface being radially displaced away from said axis of rotation by a distance which is greater than the radial
  • said screw includes at least one blade portions on said countersinking head and the same number ot broken circumferential surfaces around said countersinking head
  • said cutting surface converges in the direction from said head to said threaded shank
  • said cutting surface lies in a plane which contains said axis of rotation and a radius from said axis ot rotation
  • said cutting surface includes at least one surface which has its direction defined by a direction line normal to said surface or by a direction line normal to a tangent to said surface, whereby said direction line is skewed relative to said axis of rotation
  • said cutting surface is a helical or part helical surface
  • said cutting surface has a slope on it wherein at any point on said surface, said surface inclines in a direction away from said point, when said direction away from said point is opposite to the direction required to secure said screw into a material
  • Figure 1 is a side elevation of a combination screwdnving and countersinking bit prior to engagement with a countersinking screw
  • Figure 2 illustrates a perspective view of the bit of Figure 1
  • Figure 3 illustrates a plan view of a second embodiment of a combination screwdnving and countersinking bit
  • Figure 4 illustrates a side elevation of the bit of figure 3, prior to engagement ot a countersinking screw
  • Figure 1 1 illustrates a hexagonal blade screw driving bit having a gouging or cutting tip
  • Figure 12 illustrates a side elevation of a first embodiment of a countersinking screw
  • Figure 13 illustrates a side elevation of the screw of figure 12
  • Figure 14 illustrates a side elevation of a second embodiment of a countersinking screw
  • Figure 15 illustrates a side elevation of the screw of figure 14
  • Figure 16 illustrates a screw of figure 12 or figure 14 in use
  • FIG. 1 Detailed description of the embodiments Illustrated in Figure 1 and 2 is a straight fluted generally conical shaped tool 2
  • the tool 2 has a generally triangular shaped profile
  • the tool 2 has a base 4 from which extends a rotation shaft 6 of the hexagonal type
  • the tool 2 is illustrated as a rotary bit for inserting into an electric screwdriver or other powered screwdnving rotation driving means such as a drill, pneumatic drill etc
  • an electric screwdriver or other powered screwdnving rotation driving means such as a drill, pneumatic drill etc
  • the present invention can be applied to manually or hand operated tools such as hand powered screwdrivers or drills for that matter
  • the tool 2 has a relatively broad base 4 by comparison to a relatively narrow screwdnving end 10
  • the screwdnving end 10 has a screw driving tip 8
  • the screw driving end 10 occupies approximately half the height of the tool 2 , with the rest of the height of the surface engagement portion of the tool 2 being made up of the countersinking section 12
  • the screwdnving end 10 is made up of four radiating wing/members 14, 16, 18 and 20
  • the wing members 14, 16, 18 & 20 have straight and parallel forward and rearward sides 1 1 and 13 which are parallel to the longitudinal axis 5 of the shaft 6, and are radially oriented to the longitudinal axis 5
  • the outer surfaces 15 of the members 14, 16, 18 and 20 are at an angle 17 to the longitudinal axis and at an angle 17 A to the straight sides 1 1 and 13 on each member 14, 16, 18 and 20
  • the members 14, 16, 18 and 20 form a cross in underneath plan view The cross is insertable into a cross shape cavity 22 which is generally located in Phillips head screws 23
  • a blade portion or cutting tip 24 On the member 14 the cutting tip 24 is an inclined plane which angles in one direction, whereas on the member 20 the cutting tip 24 is an inclined plane in the opposite direction when viewed as in fig 1 All the cutting tips 24, when the tool 2 is rotated about an axis 5 present the forward edge 24A to engage the surface which will have a counter sunk recess formed therein
  • the surfaces 15 A behind the cutting edges 24A are also at an angle to the longitudinal axis 5 That is the end of the surfaces 15A furthermost from the longitudinal axis 5 are further away from the base 4 by comparison to the opposite end of the surfaces 15A (which opposite end is nearest to the longitudinal axis 5) This places each of the surfaces 15A at an angle which forms a concave end
  • the cutting tips 24 and forward edges 24A of members 14, 16, 18 and 20 will not attempt countersink the screw head 23 because there is no relative rotation between the screw and cutting tips 24
  • the absence of relative rotation is a result of the surfaces of the recess of the screw resting parallel to the side surfaces of the members 14, 16, 18 and 20 Whilst it is advantageous for those portions of the tool 2 which are engaged into the recesses 22 of the screw to be relatively sharp, it is preferred that the countersinking segment have cutting edges which are not particularly sharp This will help to prevent injury to the user as the user may have their hand near to the tool, to hold the screw onto the screw driving end 10 These cutting edges need not be sharp but by virtue of the speed of rotation of the drill will execute an effective countersinking operation
  • the cutting tips 24, the cutting edges 24A and 24B (and the cutting edge 53 if it is present) do not necessarily need to be sharp, or tempered and sharp, if the tool 2 is to be used with timber or timber type products such
  • a concave end in the screw driving tip 8 When used to countersink, this concave end will form at the base of the countersunk recess, a relatively small and shallow mound or conical projection This mound or projection will not impair the effectiveness or operation of the tool 2
  • the concave end can be replaced by a flat planar end, that is the cutting edges 24A are all included in a single plane, which plane is perpendicular to the longitudinal axis 5
  • the cutting edges could be made to form a convex end
  • the depth of the convex end will also be dependent upon the size of the recess 22 in the screw 23, to ensure a proper screw driving ability
  • the tool 2 can be made of magnetic material, so that screws 23 might be attracted to the tool 2 and thereby stay in position, as the user threads the screw into the wall This obviates the need for the operator to use their tree hand to support the screw Illustrated in figure 3 is a combination bit 2B to countersink and drive a screw 23 (see figure 4)
  • the bit 2B has many features in common with the features bit 2 of figures 1 and 2 These similar features are like numbered with the features of figs 1 &2 Because of this commonality the purpose and structure of all features will not be discussed
  • the cutting edges 24B and 53 of the countersinking portion 12 when viewed in the plan view of figure 3 includes a cutting face 1 1 and rear face 13 on each of eight wing members 14, 14A, 16, 16A, 18, 18A 20, 20A, which converge toward the axis of rotation 5
  • the cutting edges 24B and 53 of the bit 2B are formed from the intersection of the cutting face 1 1 together with a tapered outei surface 15
  • the wings members 14A, 16A, 18A, and 20A extend from the end proximate to the shaft 6 or base 4 towards the screw driving end 10, but do not extend into the screw driving end 10, otherwise the wing members 14A, 16A, 18A, and 20A will interfere with the engagement of the screw driving end in the slot 22 of screw 23
  • the operator To operate the bit of figures 5 and 6, the operator simply mounts the bit 2C into a reversible drill or other rotary tool To form a countersunk recess in a material to receive the screw 23, the operator rotates the bit 2C in an anti clockwise direction To cut or shave countersunk recess, the cutting edges 24B and 53 engage and are moved or rotated relative to the surface receiving the countersunk recess Once the desired depth of countersinking is reached, the operator reverses the direction of rotation of the drill or rotary tool Upon doing this or before, the operator attaches a screw such as screw 23 onto the screw driving end 10 of the bit 2C of figures 5 and 6 By then activating the drill or rotary tool, as the tip of the threaded end of the screw 23 is in the base of the countersunk recess, the screw 23 will be inserted into the material and the recess so that the top surface of the screw 23 is at or below the surface of the material While the above described bits are illustrated including four or eight cutting surfaces or edges, it
  • the screwdnving end 504 is of the Phillips head variety having four orthogonal blades 510
  • the blades 510 are formed in a conventional way on the end of the shank 506
  • the screw driving end 504 varies from a conventional Phillips head screw driving end by each blade 510 terminating in a cutting, gouging oi carving tip 512, which is formed (in this instance) by a cavity or concave recess 516 intersecting with the blades 510 This intersection forms cuneiform cutters which project away form a base surface 518 located at the terminus of the screw driving end 504 at the central axis of rotation
  • the location of an extremity of tip 512 relative to any point on the shank 506 is a greater distance away from that point on the shank than the location of the base surface 518
  • the tips 512 terminating in an edge 520 is the preferred arrangement, however, if desired they could be made to terminate with a point, or even a rounded edge or surface Any appropriate terminus can be used which
  • the screwdnving tips 500, 530 or 540 are used in the following manner
  • the bit 500, 530 or 540 is inserted into a drill, screwdriver or handle
  • the tip is then placed against a surface into which a screw is to be inserted so as to cut, gouge or carve the surface to expose a softer under surface which is usually present under a dense layer such as exists in MDF
  • the tradesperson removes the tip from the surface, to expose an annular groove in the surface of the material
  • This groove will have an outside diameter equal to the maximum distance that the extremity of the tip 512, 536 or 542 is away from the central axis of rotation
  • the point of a self tapping fibre board screw can be positioned As it is a less dense material or layer, the screw thread will engage that material or layer, will the screw head covering up the rest of the annular groove and hiding it from view
  • the screw 100 includes four cutting surfaces 1 13 which extend away from the central axis of rotation 105 in a direction parallel to a plane containing the axis 5
  • the head 102 has an equal number ot circumferential surfaces 106, such that one circumferential surface 106 starts at the outward end of the cutting surface 1 13 and extends in a curved path around the head 102 to terminate at the beginning of the inward end of an adjacent and rearwardly located (with reference to the direction ot rotation to countersink) cutting surface 1 13
  • the cutting surfaces taper or converge in the direction of the head 102 to the threaded shank 103 of the screw 100
  • the cutting surfaces 1 13 will engage the surface of a material, only as the a drill or screw drives and rotates the cutting surfaces 1 13
  • the rotation of the screw 100 will force the cutting surfaces 113 to cut as they simultaneously engage the material and rotate around the axi
  • the cutting surfaces 1 13A are effectively inclined planes which slope upwardly from their lower most starting point (closest to the shank of the screw) towards a location which is in an anti clockwise direction from the starting point
  • Illustrated in figure 16 is a screw of figure 12 or 14 in use, showing how the cutting surfaces 1 13 or 1 13A shave and eject a shaving from the material into which the screw 100 or 100A is being inserted
  • a cavity in a forward direction clockwise direction in the casse of a normal right handed screw thread
  • This ensures an efficient operation of the cutting surfaces 1 13 or 1 13A by preventing them from getting clogged up by the swarf or shavings

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Drilling Tools (AREA)
  • Dowels (AREA)

Abstract

L'invention concerne un outil de vissage servant à entraîner une vis pour la faire pénétrer dans une surface. Cet outil comprend une extrémité convergente (10) de contact avec la vis, présentant une partie profilée (24) qui permet le contact avec la vis. Cette partie profilée (24) fait également partie d'un organe de fraisurage (12) formé sur la partie restante de l'outil. Cet organe de fraisurage (12) est également formé sur ladite extrémité de contact avec la vis, ledit organe de fraisurage pouvant être inséré au moins en partie dans un évidement pratiqué dans ladite vis. Cet évidement est utilisé pour entraîner la vis afin de la faire pénétrer dans une surface.
PCT/AU1998/000834 1997-10-07 1998-10-06 Outil et vis de fraisurage WO1999017908A1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2000514761A JP2001519245A (ja) 1998-03-06 1998-10-06 工具及びカウンタシンクネジ
EP98947235A EP1091834A1 (fr) 1998-03-06 1998-10-06 Outil et vis de fraisurage
CA002321003A CA2321003A1 (fr) 1998-03-06 1998-10-06 Outil et vis de fraisurage
AU94242/98A AU9424298A (en) 1997-10-07 1998-10-06 A tool and countersinking screw
BR9814505-3A BR9814505A (pt) 1998-03-06 1998-10-06 Ferramenta e parafuso escareador

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
AUPO9638A AUPO963897A0 (en) 1997-10-07 1997-10-07 A tool
AUPO9638 1997-10-07
AUPP2236 1998-03-06
AUPP2235A AUPP223598A0 (en) 1998-03-06 1998-03-06 A tool
AUPP2235 1998-03-06
AUPP2236A AUPP223698A0 (en) 1998-03-06 1998-03-06 A countersinking screw
AUPP3543A AUPP354398A0 (en) 1998-05-15 1998-05-15 A tool
AUPP3543 1998-05-15

Publications (2)

Publication Number Publication Date
WO1999017908A1 true WO1999017908A1 (fr) 1999-04-15
WO1999017908A8 WO1999017908A8 (fr) 1999-07-01

Family

ID=27424448

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/AU1998/000834 WO1999017908A1 (fr) 1997-10-07 1998-10-06 Outil et vis de fraisurage

Country Status (1)

Country Link
WO (1) WO1999017908A1 (fr)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001039915A1 (fr) * 1999-11-29 2001-06-07 Fcd Holdings Pty Limited Embout pour tournevis et fraise angulaire
GB2418879A (en) * 2004-10-07 2006-04-12 Julia Jones Improvements in or relating to combination tool heads
WO2007134679A1 (fr) * 2006-05-19 2007-11-29 Ludwig Hettich & Co. Boulon à tête fraisée
US9482258B2 (en) 2012-05-10 2016-11-01 Simpson Strong-Tie Company, Inc. Fastener with multiple threaded regions
WO2018074972A1 (fr) * 2016-10-19 2018-04-26 Essve Produkter Ab Vis conçue pour venir en prise avec du bois ou un matériau composite similaire
USD990301S1 (en) 2020-08-07 2023-06-27 Peri Se Multi-head bolt
US11788571B2 (en) 2020-08-07 2023-10-17 Peri Se Multi-head bolt and fastener system

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3207196A (en) * 1963-06-24 1965-09-21 Gardner Denver Co Countersinking tool
DE4402619A1 (de) * 1994-01-30 1995-08-03 Wolfram Gaerlich Schrauberbit zum Eindrehen von Schrauben mit integriertem Senker für den Schraubenkopf
GB2304849A (en) * 1995-08-24 1997-03-26 Hsu Kuo Tai A screw structure
WO1998001252A1 (fr) * 1996-07-09 1998-01-15 Keith Martyn Jones Outil combine tournevis en croix et fraise

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3207196A (en) * 1963-06-24 1965-09-21 Gardner Denver Co Countersinking tool
DE4402619A1 (de) * 1994-01-30 1995-08-03 Wolfram Gaerlich Schrauberbit zum Eindrehen von Schrauben mit integriertem Senker für den Schraubenkopf
GB2304849A (en) * 1995-08-24 1997-03-26 Hsu Kuo Tai A screw structure
WO1998001252A1 (fr) * 1996-07-09 1998-01-15 Keith Martyn Jones Outil combine tournevis en croix et fraise

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN, & JP 10148209 A (KOKUVU:KK) 2 June 1998. *

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001039915A1 (fr) * 1999-11-29 2001-06-07 Fcd Holdings Pty Limited Embout pour tournevis et fraise angulaire
US6868572B1 (en) 1999-11-29 2005-03-22 Savetime Products Pty. Ltd. Screwdriving and countersinking bit
GB2418879A (en) * 2004-10-07 2006-04-12 Julia Jones Improvements in or relating to combination tool heads
WO2007134679A1 (fr) * 2006-05-19 2007-11-29 Ludwig Hettich & Co. Boulon à tête fraisée
US8231320B2 (en) 2006-05-19 2012-07-31 Ludwig Hettich & Company Countersunk head screw
US9482258B2 (en) 2012-05-10 2016-11-01 Simpson Strong-Tie Company, Inc. Fastener with multiple threaded regions
US10480559B2 (en) 2012-05-10 2019-11-19 Simpson Strong-Tie Company, Inc. Fastener with head cutting structure
WO2018074972A1 (fr) * 2016-10-19 2018-04-26 Essve Produkter Ab Vis conçue pour venir en prise avec du bois ou un matériau composite similaire
EP3529505A4 (fr) * 2016-10-19 2020-07-15 ESSVE Produkter AB Vis conçue pour venir en prise avec du bois ou un matériau composite similaire
USD990301S1 (en) 2020-08-07 2023-06-27 Peri Se Multi-head bolt
US11788571B2 (en) 2020-08-07 2023-10-17 Peri Se Multi-head bolt and fastener system

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