GB2246407A - A worktop joint - Google Patents
A worktop joint Download PDFInfo
- Publication number
- GB2246407A GB2246407A GB9016129A GB9016129A GB2246407A GB 2246407 A GB2246407 A GB 2246407A GB 9016129 A GB9016129 A GB 9016129A GB 9016129 A GB9016129 A GB 9016129A GB 2246407 A GB2246407 A GB 2246407A
- Authority
- GB
- United Kingdom
- Prior art keywords
- worktop
- mechanical
- worktops
- underside
- tie
- 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- Withdrawn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
- 239000010432 diamond Substances 0.000 claims abstract description 14
- 229910003460 diamond Inorganic materials 0.000 claims abstract description 14
- 238000005520 cutting process Methods 0.000 claims abstract description 12
- 238000009434 installation Methods 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 10
- 239000004575 stone Substances 0.000 claims abstract description 8
- 239000011230 binding agent Substances 0.000 claims abstract description 4
- 238000005553 drilling Methods 0.000 claims abstract description 4
- 239000010438 granite Substances 0.000 claims abstract description 4
- 239000008187 granular material Substances 0.000 claims abstract description 4
- 239000004579 marble Substances 0.000 claims abstract description 4
- 239000010454 slate Substances 0.000 claims abstract description 4
- 239000007787 solid Substances 0.000 claims abstract description 4
- 238000003860 storage Methods 0.000 claims abstract description 4
- 239000002131 composite material Substances 0.000 claims abstract description 3
- 239000011044 quartzite Substances 0.000 claims abstract description 3
- 239000000758 substrate Substances 0.000 claims abstract description 3
- 239000002023 wood Substances 0.000 claims abstract description 3
- 239000000853 adhesive Substances 0.000 claims description 11
- 230000001070 adhesive effect Effects 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 2
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims 1
- 238000007789 sealing Methods 0.000 claims 1
- 229910000831 Steel Inorganic materials 0.000 abstract description 2
- 239000010959 steel Substances 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 7
- 239000002904 solvent Substances 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000004593 Epoxy Substances 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000003749 cleanliness Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 239000013521 mastic Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 238000010186 staining Methods 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47B—TABLES; DESKS; OFFICE FURNITURE; CABINETS; DRAWERS; GENERAL DETAILS OF FURNITURE
- A47B96/00—Details of cabinets, racks or shelf units not covered by a single one of groups A47B43/00 - A47B95/00; General details of furniture
- A47B96/18—Tops specially designed for working on
-
- 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
- F16B5/00—Joining sheets or plates, e.g. panels, to one another or to strips or bars parallel to them
- F16B5/0004—Joining sheets, plates or panels in abutting relationship
- F16B5/0084—Joining sheets, plates or panels in abutting relationship characterised by particular locking means
- F16B5/0092—Joining sheets, plates or panels in abutting relationship characterised by particular locking means with locking means rotating about an axis parallel to the main plane and perpendicular to the abutting edge, e.g. screw, bayonet
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Processing Of Stones Or Stones Resemblance Materials (AREA)
Abstract
A worktop, table top or bar top (1) from either wholly naturally quarried hardstone, such as granite, marble, slate or quartzite etc or agglomerated stone which contains a cementacious or resinoid based binder with a certain percentage of hard stone chips or crushed granules impregnated throughout which is used as a work surface or storage surface in a kitchen, bathroom, bar, hotel or other interior location which comprises of either solid or composite structure with a supporting substrate of laminated wood or similar material and varying in overall thickness from 1cm to 10cm and of an unspecified length by 3ocm to 2 metres in width, and which contains one or more mechanical ties (2) or bolts of steel or other similar well engineered material which are inserted into slots, curved recesses or holes which have been promachined into the underside of the worktops by applying a sequence of drilling and cutting operations using specially shaped diamond cutting tools to provide precise locations for the components of a mechanical tie to hold one or more worktops together to form a much larger worktop by way of either lateral or longitudinal joins (3) which are made at the time of installation. <IMAGE>
Description
A WORKTOP JOINT DESIGN AND METHOD OF MANUFACTURE
Description
This invention relates to a worktop, table top or bar top () from either wholly naturally quarried hardstone, such as granite, marble, slate or quartzite etc, or agglomerated stone which contains a cementacious or resinoid based binder with a certain percentage of hard stone chips or crushed granules impregnated throughout which is used as a worksurface or storage surface in a kitchen, bathroom, bar, hotel or other interior location which comprises of either solid (1A) or composite (1B) structure with a supporting substrate of laminated wood or similar material and varying in overall thickness from lcm to 10cm and of an unspecified length by 30cm to 2 metres in width, and which contains one or more mechanical ties (2) or bolts of steel or other similar well engineered material which are inserted into slots, curved recesses or holes which have been pre-machined into the underside of the worktops applying a sequence of drilling and cutting operations using specially shaped diamond cutting tools to provide precise locations for the components of a mechanical tie to hold one or more worktops together to form a much larger worktop by way of either lateral or longitundinal joints (3), which are made at the t-me of installation.
Known worktops of a similar type are generally joined together at the time of installation by applying a mastic type adhesive, either by applying (i) soft non-hardenable type such as the silicon based adhesives, or (ii) a hardsettable type such as the epoxy or resin based adhesives, and simply a-butting the two worktops together and allowing for curing eventually to form a bonded joint. Worktops joined in this manner and having no positive fixation with each other have the disadvantage of taking up to 48 hours to form a permanent joint, which after installation (normally less than 8 hours), leaves at risk the final performance of the joint which can move as the stresses balance out throughout the post-installation period.
Worktops joined using the soft non-hardenable adhesive method generally have a gap between the opposing worktops of 14mm thickness which break worksurface continuity and is visually unattractive. Also, the soft non-hardenable adhesive method can give problems during installation due to the sticky characteristics of the materials which tend to ooze and flow from the joint causing difficulties in maintaining cleanliness, which leads to solvents being used to reduce the mess. Solvents, whilst effective in cleaning off the adhesive, also chemically attack the adhesive in the joint area, leaving a non-smooth appearance and also areas of poor bonding where the solvent has run down into the joint.
In addition, soft non-hardenable adhesives - if not cleaned off immediately - can cause staining of the hardstone worksurface, being somewhat porous in structure.
Worktops joined using the hard-settable adhesive method allows the joint to become rigid. A disadvantage of this method is that any subsequent movement of the supporting units or worktop eventually stresses the joint line to such an extent that hairline cracks begin to appear which eventually leads to disintegration of the bond and break out of the joint, leaving behind an unfilled gap.
According to the present invention there is provided a worktop or worktops in which the joint or joints are mechanically tied by bolts/clamps or other simple mechanical tensionable devices which are inserted into slots/holes/ grooves on the underside of a worktop made of hardstone or similar agglomerated material having first been machined (cut, sawn, drilled) using specially shaped diamond cutting tools to form a precise location into which the device is later fitted and subsequently tightened on installation using a flexible key to form a rigid and permanent joint in a direction parallel to the direction of tensioning.
According to the present invention, there is provided a worktop or worktops in which the surfaces to be joined are first coated with a non-curing semi-flexible adhesive, prior to tightening of the joint with the mechanical ties, forming a seal but allowing minor degrees of movement to occur perpendicular to the direction of tensioning.
According to the present invention, the method of preparing the circular recesses is achieved using a rotating circular diamond impregnated drill either of full hole construction or of annulus construction and whose axis is perpendicular to the surface to be drilled and which is plunged vertically downwards into the underside of the worktop a specified distance, removing material and eventually either forming a blind hole (hollow) or a blind cored hole (curved recess) into which part of the mechanical device is located.
According to the present invention, the method of preparing the slots or straight recesses is achieved using a rotating circular diamond impregnated disc whose axis is parallel with the surface to be sawn and which is plunged vertically downwards into the underside of the worktop a specified distance and through a simultaneous rectolinear motion effectively removes material forming a slot parallel with the top surface and of a specified depth and length into which part of a mechanical device is located.
Embodiments of the invention will now be described with reference to the accompanying drawings in which:
Figs la - lo shows 3 perspective illustrations of two worktops with varying slot/hole profiles used for the production of a larger jointed worktop according to the invention.
Figs 2a - 2c show 3 sectional examples sideviews through the worktop joint line of an embodiment of an assembled worktop with the mechanical tie in situ.
Fig 3 shows the cross-sectional profile of a diamond core drill used to form the curved recesses in Fig la.
Fig 4 shows the cross-sectional profile of a diamond fullhole drill used to form the hollow recesses in Fig lc.
Fig 5 shows the cross-sectional profile of a diamond cutting disc used to form the slot or straight recesses in figs la,lb & ic.
Claims (6)
1. A worktop, table top or bar top (1) from either wholly naturally quarried hardstone, such as granite, marble slate or quartzite etc or agglomerated stone which contains a cementacious or resinoid based binder with a certain percentage of hard stone chips or crushed granules impregnated throughout which is used as a work surface or storage surface in a kitchen, bathroom, bar, hotel or other interior location which comprises of either solid (1A) or composite (1B) structure with a supporting substrate of laminated wood or similar material and varying in overall thickness from lcm to 10 cm and of an unspecified length by 30cm to 2 metres in width, and which contains one or more mechanical ties or tensioning devices which are inserted into the underside of the worktops in slots/curved recesses or holes which have been pre-machined into the underside of the worktops applying a sequence of drilling and cutting operations using specially shaped diamond cutting tools to provide precise locations for the components of a mechanical tie in eh a manner as to improve the rigidity and precision of the jointed worktops and to reduce the overall time and hence cost in making the joint during installation.
2. A worktop as claimed in 1. wherein the two opposing edges of a worktop prior to being butted together and joined mechanically are first coated with a non-curing semi-flexible adhesive to form a thin, water-resistant seal along the length of the joint, and allowing small degrees of movement prependicular to the direction of mechanical clamping.
3. A worktop as claimed in 1 and 2 wherein a mechanical tie comprising of a threaded bolt with two semi-circular or round or straight tie plates, plus an internally threaded nut is located into the recesses on the underside of the worktops to be joined and located in such a manner as to be flush with or slightly inside the underside of the joined worktop, thereby allowing the worktop to sit directly upon a supporting frame without interference from any protruding parts at the frame-worktop interface.
4. A worktop as claimed in 1, 2 and 3 wherein blind holes, either full (hollow) or cored (annular) have been first machined using specially shaped diamond impregnated tools into the underside of the worktop a set distance apart and a set distance in depth to precisely locate the tie plates of a mechanical tie device to ensure the two worktops come together evenly and receive an equal degree of pressure across the jointed area as the mechanical ties are tightened.
5. A worktop as claimed in 1 - 4 wherein slots or straight recesses have been first machined using specially shaped diamond impregnated cutting tools into the underside of the worktop in an exact position relative to the drilled holes aforementioned and a set distance in depth and length to precisely locate a mechanical tie and nut of a mechanical tie device.
6. A worktop, table top or bar top used in a kitchen bathroom, bar or hotel or other interior location substantially as herein described and with reference t figs la - ic, 2a - 2c, . 4 and 5.
6. A worktop, table top or bar top used in a kitchen, bathroom, bar or hotel or other interior location substantially as herein described and with reference to figs la - lc, 2a - 2c, 3, 4 and 5.
AMENDMENTS TO THE CLAIMS HAVE BEEN FILED AS FOLLOWS.
1. A worktop, table top or bar top (1) from either wholly naturally quarried hardstone, such as granite, marble slate or quay trite etc or agglomerated stone which contain cementacious or resinoid based binder with a certain percentage of hard stone chips or crushed granules impregnated throughout which is used as a work surface or storage surface in a kitchen, bathroom, bar, hotel or other interior location and which comprise of a solid and homogeneous structure, varying in overall thickness from 1cm to 10 cm and of an unspecified length by cm to 2 metres in width, and which contains one or more mechanical ties or tensioning devices which are inserted into the underside of the worktops in slots/curved recesses or holes which have been pre-machined into the underside of the work tops applying a sequence of drilling and cutting operations using specially shaped diamond cutting tools to provide precise locations for the components of a mechanical tie in such amanner that when tightened improve the rigidity, precision and form a sealed joint of the adjoining worktops during installation.
2. A worktop, as claimed in 1, wherein a sealing strip of
acrylic or other precured, flexible but durable material placed in the gap between the two opposing edges ol the adjoining worktops to form a thin, water-resistant seal along the length of the joint after tightening o ti mechanical tiea during worktop installation.
3. A worktop as claimed in 1 and 2 wherein a mechanical tie comprising of a threaded bolt with two semi-circular or round or straight tie plates, plus an internally threaded nut is located into the recesses on the underside of the worktops to be joined and located in such a manner as to be flush with or slightly inside the underside of the joined worThtor.
thereby allowing the worktop to sit directly upon a supporting frame without interference from any protruding parts at the frame-worktop interface.
4. A worktop as claimed in 1, 2 and 3 wherein n R either full (hollow) or cored (annular) have been first machined using specially shaped diamond impregnated tools into the underside of the worktop a set distance apart ancl a set distance in depth to precisely locate the tie plates of a mechanical tie device to ensure the two worktops once together evenly and receive an equal degree of pressure across the jointed area as the mechanical tiea are tightened 5. A worktop as claimed in 1 - 4 wherein slots or straight recesses have been first machined using specially shaped diamond impregnated cutting tools into the underside of the worktop in an exact position relative to the drilled holes aforementioned and a set distance in depth and length to precisely locate a mechanical tie and nut of a mechanical tie device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9016129A GB2246407A (en) | 1990-07-23 | 1990-07-23 | A worktop joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB9016129A GB2246407A (en) | 1990-07-23 | 1990-07-23 | A worktop joint |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| GB9016129D0 GB9016129D0 (en) | 1990-09-05 |
| GB2246407A true GB2246407A (en) | 1992-01-29 |
Family
ID=10679506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB9016129A Withdrawn GB2246407A (en) | 1990-07-23 | 1990-07-23 | A worktop joint |
Country Status (1)
| Country | Link |
|---|---|
| GB (1) | GB2246407A (en) |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2280841A (en) * | 1993-07-21 | 1995-02-15 | Roelof Lambertus Versteeg | Modular furniture systems |
| GB2281368A (en) * | 1993-08-21 | 1995-03-01 | Mark Anthony Dennis | Concealed fixing device |
| AU687951B2 (en) * | 1995-02-03 | 1998-03-05 | Martyn Anthony Cotterill | Concealed fixing device |
| GB2412690A (en) * | 2004-03-29 | 2005-10-05 | D P Bakewell Ltd | Clamping device for joining worktops |
| GB2418226A (en) * | 2004-09-18 | 2006-03-22 | Victor Piciorus | Worktop joint comprising bolt held in place by clips |
| GB2442959A (en) * | 2006-10-20 | 2008-04-23 | Mehdi Robert Teers | Modular building construction |
| EP1995025A1 (en) * | 2007-05-14 | 2008-11-26 | Lee-Cheng Chang | Woodworking bench |
| WO2008141531A1 (en) * | 2007-05-22 | 2008-11-27 | Kohler (China) Investment Company Ltd. | Stone panel structure |
| GB2477530A (en) * | 2010-02-05 | 2011-08-10 | Diyan Rahnev | A seemless worktop with plywood strips extending in a transverse direction over a support panel |
| US20220232976A1 (en) * | 2019-09-23 | 2022-07-28 | V-T Industries Inc. | Laminated countertop assembly |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107869503B (en) * | 2017-11-30 | 2024-06-11 | 江阴市汇通印刷包装机械有限公司 | Frame connection structure |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB417750A (en) * | 1934-01-03 | 1934-10-11 | Stanley Fredrick Smith | Improvements in or relating to bolted butt joints |
| GB490417A (en) * | 1937-02-10 | 1938-08-10 | Harry Lewis Duxbury | Bolt attachments for securing the ends of beams, rails and the like used in the production of shop fittings and other structures |
| DE2440727A1 (en) * | 1974-08-24 | 1976-03-04 | Hans Ciesiolka | illuminated table with translucent tabletop of marble, onyx etc. - . HAS FLUORESCENT LIGHT SOURCE AND REFLECTOR MOUNTED UNDERNEATH TOP |
| JPS62230659A (en) * | 1986-03-31 | 1987-10-09 | フクビ化学工業株式会社 | Artificial rock formed article |
-
1990
- 1990-07-23 GB GB9016129A patent/GB2246407A/en not_active Withdrawn
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB417750A (en) * | 1934-01-03 | 1934-10-11 | Stanley Fredrick Smith | Improvements in or relating to bolted butt joints |
| GB490417A (en) * | 1937-02-10 | 1938-08-10 | Harry Lewis Duxbury | Bolt attachments for securing the ends of beams, rails and the like used in the production of shop fittings and other structures |
| DE2440727A1 (en) * | 1974-08-24 | 1976-03-04 | Hans Ciesiolka | illuminated table with translucent tabletop of marble, onyx etc. - . HAS FLUORESCENT LIGHT SOURCE AND REFLECTOR MOUNTED UNDERNEATH TOP |
| JPS62230659A (en) * | 1986-03-31 | 1987-10-09 | フクビ化学工業株式会社 | Artificial rock formed article |
Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2280841A (en) * | 1993-07-21 | 1995-02-15 | Roelof Lambertus Versteeg | Modular furniture systems |
| GB2281368A (en) * | 1993-08-21 | 1995-03-01 | Mark Anthony Dennis | Concealed fixing device |
| GB2281368B (en) * | 1993-08-21 | 1996-06-12 | Mark Anthony Dennis | Concealed fixing device |
| US5613793A (en) * | 1993-08-21 | 1997-03-25 | Dennis; Mark A. | Concealed fixing device |
| AU687951B2 (en) * | 1995-02-03 | 1998-03-05 | Martyn Anthony Cotterill | Concealed fixing device |
| GB2412690B (en) * | 2004-03-29 | 2007-01-10 | D P Bakewell Ltd | Arrangements for joining members together |
| GB2412690A (en) * | 2004-03-29 | 2005-10-05 | D P Bakewell Ltd | Clamping device for joining worktops |
| GB2412690A9 (en) * | 2004-03-29 | 2006-07-18 | D P Bakewell Ltd | Clamping device for joining worktops |
| GB2418226A (en) * | 2004-09-18 | 2006-03-22 | Victor Piciorus | Worktop joint comprising bolt held in place by clips |
| GB2442959A (en) * | 2006-10-20 | 2008-04-23 | Mehdi Robert Teers | Modular building construction |
| EP1995025A1 (en) * | 2007-05-14 | 2008-11-26 | Lee-Cheng Chang | Woodworking bench |
| WO2008141531A1 (en) * | 2007-05-22 | 2008-11-27 | Kohler (China) Investment Company Ltd. | Stone panel structure |
| GB2477530A (en) * | 2010-02-05 | 2011-08-10 | Diyan Rahnev | A seemless worktop with plywood strips extending in a transverse direction over a support panel |
| US20220232976A1 (en) * | 2019-09-23 | 2022-07-28 | V-T Industries Inc. | Laminated countertop assembly |
Also Published As
| Publication number | Publication date |
|---|---|
| GB9016129D0 (en) | 1990-09-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| WAP | Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1) |