EP0628140A1 - Plug - Google Patents
PlugInfo
- Publication number
- EP0628140A1 EP0628140A1 EP93905702A EP93905702A EP0628140A1 EP 0628140 A1 EP0628140 A1 EP 0628140A1 EP 93905702 A EP93905702 A EP 93905702A EP 93905702 A EP93905702 A EP 93905702A EP 0628140 A1 EP0628140 A1 EP 0628140A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- plug
- adhesive
- core
- plug according
- recesses
- Prior art date
- 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.)
- Withdrawn
Links
- 239000000853 adhesive Substances 0.000 claims abstract description 30
- 230000001070 adhesive effect Effects 0.000 claims abstract description 30
- 239000007787 solid Substances 0.000 claims abstract description 5
- 239000000463 material Substances 0.000 claims description 15
- 239000003292 glue Substances 0.000 claims description 8
- 239000002904 solvent Substances 0.000 claims description 5
- 239000011347 resin Substances 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- 239000002023 wood Substances 0.000 claims description 4
- 239000002639 bone cement Substances 0.000 claims description 3
- 239000003960 organic solvent Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 229920003023 plastic Polymers 0.000 claims description 3
- 239000002344 surface layer Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 239000002184 metal Substances 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 abstract 1
- 238000000576 coating method Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000004873 anchoring Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000009969 flowable effect Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 239000004848 polyfunctional curative Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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
- F16B19/00—Bolts without screw-thread; Pins, including deformable elements; Rivets
- F16B19/002—Resiliently deformable pins
- F16B19/004—Resiliently deformable pins made in one piece
-
- 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
- F16B11/00—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding
- F16B11/006—Connecting constructional elements or machine parts by sticking or pressing them together, e.g. cold pressure welding by gluing
Definitions
- the present invention relates to a plug for joining different parts, for example wooden parts.
- Such plugs have an extended field of use but are especially much used in the furniture industry for joining different details in furniture made of wood.
- Plugs especially within the furniture industry, are usually made of wood. They generally have a circular section for filling up a circular bore hole in the details that are to be joined. The plugs have most often been made with a very narrow marginal so that they have to be punched in. A certain elasticity is then required of the plug and/or the surrounding material. It can for many purposes be sufficient to punch in a plug to get a sufficiently good joining of the details that are to be joined but most often the plug has to be dipped in a glue before the joining or the hole is provided with a glue. The reason for this is of course that the plug shall not as time goes on, loosen.
- a plug for joining of for example wooden details which is characterized in that it consists of a firm core having recesses and a around the core, meltable or in a solvent solvable adhesive in solid shape and with a high mechanical strength and which has been anchored in the core and has a good adhesion to the surrounding material of the plug, whereas the surface layer of the adhesive is intended to be melted or solved during the joining.
- the core can suitably consist of plastics, metal, for instance steel or wood. It is according to the invention suitable that the core in section has the shape of a cross and the recesses have been made in the wings of the cross.
- a suitable adhesive according to the invention is one which is soluble in water or organic solvents.
- the meltable adhesive can according to the invention consist of bone glue or a multiple component glue of resins or the like.
- Fig. 1 shows a plug in sideview and having one half provided with adhesive and where Fig. 2 shows the plug with adhesive seen from one end.
- the plug according to the present invention consists of a core 1. This has been provided with recesses 2. These recesses 2 can be made in different ways. The demand to these is only that they shall have a good mechanical anchoring for the adhesive that is to be filled in the recesses 2.
- the plug is in the present case made in the shape of a cross which is better shown in Fig. 2. It has plain end surfaces but the edges 3 on the wings of the cross have been made oblique to facilitate the insertion of the plug in a hole.
- the plug does neither have to be made in the shape of a cross, it can for example be round, having radial recesses on suitable locations. As a hole not necessarily have to be bored and round the plug can of course also have a quite other shape in section as the one shown so that it fits in the hole.
- Fig. 1 At the right side of Fig. 1 it is shown how the adhesive material 4 is put on the plug. The same appears from Fig. 2. As clearly appears all the recesses of the plug have been filled with adhesives.
- the adhesive that is used should be a such one that has a good adhesion to the surrounding material. This is more important than that it has a good adhesion to the plug as the adhesive is mechanically anchored in the plug.
- One condition to get a desired result is therefore that the adhesive 4 has a certain mechanical strength so that it is not mechanically destroyed at stresses.
- a great number of such adhesives is known before and one within the furniture industry much used adhesive namely bone glue can be mentioned as a suitable one.
- Other meltable or curable adhesives made on the basis of multiple components of resins can also be mentioned. The demand is only that it shall have a good adhesion to the surrounding material and have sufficient mechanical strength so that it is not destroyed on the core of the plug 1.
- the plug according to the invention is suitably manufactured by a so called double moulding technique. This means that one first moulds the core whereupon the adhesive in a second step is moulded on the core without removing this from its mould.
- This technique is known per se and is therefore not described in detail here.
- a presumption that the plug shall be able to be manufactured in this way is therefore that the adhesive is meltable or that it is flowable by containing some solvent or has been mixed with some agent which gives it a solid consistency during or after the moulding for example a hardener in a resin glue.
- a suitable solvent which can be water or an organic solvent so that the surface layer on the adhesive is solved whereupon the plug is punched into the cavity where it shall remain.
- a suitable solvent which can be water or an organic solvent
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Standing Axle, Rod, Or Tube Structures Coupled By Welding, Adhesion, Or Deposition (AREA)
- Dowels (AREA)
- Joining Of Building Structures In Genera (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| SE9200539 | 1992-02-24 | ||
| SE9200539A SE508009C2 (sv) | 1992-02-24 | 1992-02-24 | Plugg |
| PCT/SE1993/000121 WO1993017246A1 (en) | 1992-02-24 | 1993-02-17 | Plug |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| EP0628140A1 true EP0628140A1 (en) | 1994-12-14 |
Family
ID=20385408
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP93905702A Withdrawn EP0628140A1 (en) | 1992-02-24 | 1993-02-17 | Plug |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0628140A1 (sv) |
| AU (1) | AU3652493A (sv) |
| SE (1) | SE508009C2 (sv) |
| WO (1) | WO1993017246A1 (sv) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE125564C1 (sv) * | 1949-01-01 | |||
| SE7611251L (sv) * | 1975-10-15 | 1977-04-16 | Josef Buchholz | Anordning for fastsettning av en staldymling i ett konstruktionselement, serskilt av betong eller tre |
| DE8713028U1 (de) * | 1987-09-28 | 1988-01-28 | Tönnies-Schurr Handelsagentur, 7312 Kirchheim | Dübel |
-
1992
- 1992-02-24 SE SE9200539A patent/SE508009C2/sv not_active IP Right Cessation
-
1993
- 1993-02-17 WO PCT/SE1993/000121 patent/WO1993017246A1/en not_active Application Discontinuation
- 1993-02-17 EP EP93905702A patent/EP0628140A1/en not_active Withdrawn
- 1993-02-17 AU AU36524/93A patent/AU3652493A/en not_active Abandoned
Non-Patent Citations (1)
| Title |
|---|
| See references of WO9317246A1 * |
Also Published As
| Publication number | Publication date |
|---|---|
| SE9200539L (sv) | 1993-08-25 |
| WO1993017246A1 (en) | 1993-09-02 |
| SE508009C2 (sv) | 1998-08-10 |
| SE9200539D0 (sv) | 1992-02-24 |
| AU3652493A (en) | 1993-09-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| 17P | Request for examination filed |
Effective date: 19940719 |
|
| AK | Designated contracting states |
Kind code of ref document: A1 Designated state(s): AT BE CH DE DK ES FR GB IT LI NL |
|
| 17Q | First examination report despatched |
Effective date: 19951023 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
| 18D | Application deemed to be withdrawn |
Effective date: 19961126 |