| Patents for F16B 13 - Dowels or other devices fastened in walls or the like by inserting them in holes made therein for that purpose (9,771) |
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| 10/06/1981 | US4293258 Self drilling blind rivet |
| 10/06/1981 | CA1110091A1 Mine roof or rock bolt expansion anchor of the bail type |
| 09/29/1981 | US4291799 A rupturable package containing separately polyester and hardener for securing bolts in construction materials |
| 09/29/1981 | US4291608 Expansion dowel |
| 09/29/1981 | CA1109704A1 Fastening element assembly |
| 09/29/1981 | CA1109703A1 Wall fastener structure |
| 09/22/1981 | US4290338 Straddle cartridge for a straddle cartridge anchor |
| 09/22/1981 | CA1109303A1 Method of anchoring a fastener to a base and anchoring bolt for use in same |
| 09/15/1981 | US4289062 Expansion dowel |
| 09/15/1981 | CA1108896A1 Self-drilling dowel with an inclined drilling head |
| 09/09/1981 | EP0035095A1 Straddling dowels to be anchored in bore holes conically expanding inward |
| 09/08/1981 | US4287807 Pull-to-set anchoring device |
| 09/01/1981 | US4286899 Process for positioning strengthening rods in mine levels and public works |
| 09/01/1981 | US4286642 Isolation connection |
| 09/01/1981 | US4286497 Ratchet-securable toggle retainer |
| 08/26/1981 | EP0034346A1 Fastening set for fastening panels, strips or like construction parts to a wall by means of a synthetic clamping-head dowel |
| 08/25/1981 | US4285264 General purpose hollow wall toggle fastener |
| 08/25/1981 | CA1107519A1 Sealing methods for mine or tunnel roof anchoring bolts |
| 08/20/1981 | WO1981002332A1 Device for detachably connecting two elements |
| 08/19/1981 | EP0033951A1 Spanning cartridge |
| 08/18/1981 | US4284378 Fastener for panels |
| 08/18/1981 | US4283986 Self-penetrating wallboard anchor |
| 08/18/1981 | CA1107095A1 Blind fastener |
| 08/05/1981 | EP0033246A1 Capsules containing cementitious compositions |
| 07/29/1981 | EP0032702A1 Masonry plug |
| 07/28/1981 | US4280943 Unsaturated polyester composition containing water for improved shelf life |
| 07/28/1981 | US4280391 Arrangement for anchoring a mounting element in a support structure and mounting an object on the same |
| 07/28/1981 | CA1105779A1 Safety disk assembly |
| 07/21/1981 | US4279340 Two-component adhesive cartridge |
| 07/21/1981 | CA1105246A1 Method of securing an expansion dowel including a metallic expansion sleeve |
| 07/14/1981 | US4278006 Expansion shell assembly |
| 07/09/1981 | WO1981001870A1 Expansion screw |
| 07/07/1981 | US4277196 Fixing device for securing any part to a holding member such as a panel by inserting said fixing device into a hole of standard shape formed in said panel |
| 06/30/1981 | US4275637 Fastening element assembly |
| 06/30/1981 | EP0020520A4 High strength anchor assembly for fastener. |
| 06/25/1981 | WO1981001730A1 Anti-noise plug |
| 06/25/1981 | WO1981001716A1 Method of manufacturing a thread insert and a thread insert manufactured according to the method |
| 06/23/1981 | US4274324 Hollow wall screw anchor |
| 06/23/1981 | US4274244 Method and apparatus for sealing polyester film in mine bolt capsule |
| 06/09/1981 | US4271715 Transmission equipped with auxiliary speed changing gear |
| 06/03/1981 | EP0029677A1 Organic grouting system for anchoring a bolt in a hole, and cartridge containing such composition |
| 06/02/1981 | US4270434 Straddling dowel |
| 06/02/1981 | US4270331 Method of securing an expansion dowel including a metallic expansion sleeve |
| 06/02/1981 | CA1102152A1 Expanding anchor fixture |
| 05/26/1981 | US4269106 Dowel for a hollow wall structure |
| 05/26/1981 | US4269014 Process for fastening a bonding and sealing device to construction components and/or buildings by forcing injection material into cracks, flaws, and the like |
| 05/26/1981 | CA1101703A1 Screw fastener for a round hole |
| 05/12/1981 | CA1100795A1 Threaded one side insert, particularly for thin sheets |
| 04/28/1981 | US4263833 Removable one-piece drive rivet |
| 04/28/1981 | US4263832 Adhesively secured anchor bolt |
| 04/22/1981 | EP0027267A1 Straddling dowel |
| 04/21/1981 | US4262577 Fastener |
| 04/21/1981 | CA1099545A1 Plastic screw grommet |
| 04/16/1981 | WO1981001036A1 A tensile force absorbing anchoring in concrete |
| 04/14/1981 | US4261538 Fixation device with collar for pipes or cables |
| 04/08/1981 | EP0026441A1 Nail presenting a screw-threaded shaft |
| 04/07/1981 | US4260122 Clamping wall plug for elongated bodies |
| 04/07/1981 | US4259890 Removable anchor assemblies |
| 03/31/1981 | CA1098500A1 Device for attachment to a wall or other partition |
| 03/31/1981 | CA1098291A1 Fixing device for face-to-face union of two panels |
| 03/24/1981 | US4257307 Hole-drilling self-tapping screw |
| 03/05/1981 | WO1981000602A1 A fastening device for fixing sanitary ware |
| 03/05/1981 | WO1981000549A1 Resin-containing cartridges and process for sealing solid structures or for anchoring bolts and rods therein |
| 03/03/1981 | US4253566 Resin-containing cartridges and process for sealing solid structures or for anchoring bolts and rods therein |
| 03/03/1981 | CA1096668A1 Expansion dowel assembly |
| 03/03/1981 | CA1096593A1 Method for joining fiberglass plastic rod to metal fitting of electrical device |
| 02/24/1981 | CA1096210A1 Method and means for aligning focusing mirrors in an optical spectrometer |
| 02/17/1981 | US4250681 Removable and reusable anchor and method |
| 02/03/1981 | US4248511 Motorized still camera |
| 01/27/1981 | US4246688 Method of anchoring in concrete |
| 01/20/1981 | US4245545 Blind-end connector for fastening sheet metal to fiber-board ducts |
| 01/20/1981 | CA1093869A1 Anchor bolt assembly |
| 01/13/1981 | CA1093353A1 Controlling hardness of anchor bolt expansion sleeves |
| 01/07/1981 | EP0022011A1 Expansible nut assembly device |
| 01/07/1981 | EP0020919A1 Fastening element with dowel and expanding wedge |
| 01/07/1981 | EP0020520A1 High strength anchor assembly for fastener. |
| 12/23/1980 | US4240323 Plastic screw socket |
| 12/23/1980 | CA1091964A1 Fastening element |
| 12/16/1980 | US4239105 Resin capsule for mining roof bolting systems |
| 12/11/1980 | WO1980002707A1 Bonding material of anchor bolt or the like and method of producing the same |
| 12/10/1980 | EP0019782A2 Metal-shell dowel |
| 12/10/1980 | EP0019667A1 Fixing means for a liquid crystal display device on a support plate |
| 12/02/1980 | US4236849 Calicium sulphate, acrylic acid polymer and salt of iron, copper or aluminum |
| 11/25/1980 | US4235151 Expansion dowel |
| 11/25/1980 | US4235150 Expansible anchor plug |
| 11/18/1980 | US4233881 Wall fastener structure |
| 11/18/1980 | CA1089683A1 Fastener |
| 11/11/1980 | US4232984 Method of anchoring elements and a device for carrying out said method |
| 11/11/1980 | CA1089546A1 Self-locking insulated pin carrier for use in circuit boards |
| 11/11/1980 | CA1089340A1 Fastener |
| 10/15/1980 | EP0016901A1 Fixing element with an anchor bolt and a spacing wedge |
| 10/14/1980 | US4227612 Two-ply resin capsule for mining roof bolting systems |
| 10/07/1980 | CA1087005A1 Fastener |
| 10/01/1980 | EP0016742A1 Method of rock bolting and tube-formed expansion bolt |
| 10/01/1980 | EP0016697A1 Device for fixing objects to a wall made of building material and method of manufacturing the device |
| 09/30/1980 | US4224971 Dowel or anchoring means |
| 09/23/1980 | US4223587 Self-drilling dowel assembly with an annular drill bit |
| 09/17/1980 | EP0015305A1 Dowel with parts gripping in the hole |
| 09/16/1980 | CA1085786A1 Cartridge for grouting an anchor element in a hole of a support structure |
| 09/09/1980 | US4221290 Dual compartmented container |