This invention relates generally to the attachment of a plate or plaques to a substrate, and more specifically to the attachment of a memorial plate to a gravestone or other memorial.
When constructing a memorial, it is common to adhere memorial plates or plaques to larger memorials, such as gravestones and other monuments. These memorial plates typically contain an image, such as a portrait of a deceased person, and are meant to enhance the appearance of a larger memorial. Methods currently available for attaching a memorial plate to a memorial include porcelain portraits, granite tile inserts, and bronze portrait castings.
Porcelain portrait products are currently some of the more popular among available products. Porcelain portrait products are generally light and able to be transported to the site of an installation, adhered to a substrate with adhesive, and comprise a color solution. Porcelain portrait products, however, are not durable or long-lasting when exposed to the rigors of an outdoor environment. In this regard, they use a heat-applied adhesive vinyl or similar substance adhered to various materials, most popularly porcelain. This heat-applied substance lacks permanent characteristics and, therefore, the image appearing on the plaque tends to fade after an extended period of time. This leaves the memorial to which it is applied with a white oval (or other shape) plaque bearing a faded or completely obscured image in the place of the previously existing portrait. Inasmuch as the image cannot be restored, the plaque must be replaced. However, costs of the removal and re-installation of the faded plaque for a replacement plaque are often expensive and left to be incurred by the deceased's survivors. Further, during the time of disrepair and re-installation, the memorial stands defaced, while the bereaved waits for a replacement. Moreover, at least some porcelain portrait products do not use permanent adhesives and/or techniques, thus making the memorial plate or plaque susceptible to detachment from the substrate.
Bronze portrait castings are more permanent in construction, but have other shortcomings. First, because of an offset technique used to portray the image in three dimensions, the final image often does not look like the original picture when transferred to the plaque. Also, bronze is a naturally decaying substance that almost immediately becomes covered with a layer of patina. In order to prevent the buildup of patina, many bronze casting manufacturers use a protective covering or coating to help keep the bronze from oxygen exposure. Even the most powerful and long-lasting formula only lasts several years, and, after the coating fades, the patina starts to appear. Further, as with porcelain portrait products, the adhesives and/or adhesive methods used for bronze castings are also unreliable, resulting in the detachment of the plaque from the substrate.
Granite tile inserts may employ carving technologies in an effort to provide granite plaque inserts that can be permanent and provide a recognizable image on the insert. However, granite tile inserts are typically very expensive to manufacture and difficult to install. Granite tile inserts use granite tiles that are polished on only one side, typically the front side upon which an image or other carving appears. The edges of the plaque insert remain unpolished. At least because the unpolished edges of the plaque should be protected from the rigors of an outdoor environment, and because of the unattractiveness of unpolished edges, granite tile inserts rely upon a cavity in the shape of the outline of the plaque insert being carved out of the surface of the monument substrate, which cavity is then suitable for receiving the plaque insert. When inserted into the cavity, the unpolished edges of the plaque insert are protected from the outdoor environment and hidden from view.
With the granite tile insert products, the preparation process of carving out a cavity in the surface of the monument substrate is generally expensive, requires skilled labor, and sometimes costs more than the actual plaque insert product itself. The carving process is also inconvenient, expensive, and time consuming for installers because, in certain instances, the cavity carving process is carried out in the field after the monument substrate is installed. Moreover, the expense and time consuming installation are distinct product disadvantages which impede the sales process.
For at least the foregoing reasons, there is a present need for a memorial plate or plaque system and attachment method which provides an attractive memorial plate or plaque having a permanently engraved image, which resists fading under the rigors of an outdoor environment, and where the memorial plate or plaque can be easily, affordably, and permanently adhered to a memorial substrate.
The present invention provides a system and method for attaching a plate or plaque to a substrate. The system and method of the present invention may include the steps of attaching a first side of an adhesive to a plate and attaching a second side of the adhesive to a substrate. The plate or plaque may be a memorial plate or plaque, the substrate may be a memorial, and the adhesive may be a very high bond acrylic foam tape or other suitable high bond adhesive. The system may allow an attractive memorial plate to easily, affordably, and permanently adhere to a memorial.
In addition, the plate may bear an image which resists the rigors of an outdoor environment, weather, sunlight and the like. To produce such an image suitable carving technologies may be employed. Such carving technologies produce a substantially permanent and true image of the subject portrayed on the plate, and produce an image which is highly resistant to wear and outdoor environments. Typical laser engraving and etching processes are not sufficient.
The present invention may further provide a system which comprises a plate or plaque, an adhesive in contact with the plate, and a substrate in contact with the adhesive. The plate may take the form of a cameo portion, wherein the plate or cameo portion comprises an image which appears on the surface of the plate or cameo portion. The adhesive may comprise a very high bond acrylic foam tape or other adhesive suitable for permanent bonding of the plate to the substrate (which substrate may take the form of a memorial) and withstanding an outdoor environment.
The present invention further provides a method for attaching a first side of an adhesive to a plate and attaching a second side of the adhesive to a substrate where the plate is a cameo comprising an image, where the adhesive is a very high bond acrylic foam tape, and where the substrate is a memorial.
The plate attachment system of the present invention is not susceptible to the rigors of an outdoor environment, is weather resistant, and deters vandalism which is common to monuments of all types located in public outdoor settings.
Moreover, the plate attachment system and method of the present invention may be installed from a kit in the field without the necessity of engaging skilled labor. Such a kit may include a plate, with or without an image etched thereon, the adhesive used in the present invention. The kit may also include installation instructions, templates and other materials necessary or useful for installation of the plate on the substrate of the present invention. For example, an installation template may assist an unskilled installer to properly align the plate of the present invention on the substrate so that the plate is properly centered and otherwise positioned on the substrate before the plate is permanently adhered to the substrate.
Understanding of the present invention will be facilitated by consideration of the following detailed description of embodiments of the present invention taken in conjunction with particular embodiments as described in the accompanying written description and figures. It is to be understood that the figures and descriptions of the present invention have been simplified to illustrate elements that are relevant for a clear understanding of the present invention.
Referring generally now to
Substrate 130 may comprise any object with a substantially flat surface for receiving adhesive 120 and plate 110. In one embodiment, substrate 130 is a memorial. A memorial can be any object for preserving remembrance, such as a gravestone, monument, mausoleum wall, niche plate, niche cover, or crypt plate.
Plate 110 may be any object with a substantially flat surface for adhering to adhesive 120 and substrate 130. In one embodiment, the plate 110 may be a cameo comprising an image 112 such as image 112 shown in
In one embodiment, plate 110 is made from black granite and is polished on all sides except the side that is attached to substrate 130.
Since substrate 130 may be located outdoors, adhesive layer 120 may be chosen to be impervious and/or suitably resistant to any weather, freezing and thawing conditions, and/or vandalism. Many adhesives are not ideal for such situations. For example, some allow moisture to seep into cracks and other openings that, when frozen, can crack and shatter the finished product. Further, some adhesives may stiffen in cold and freezing temperatures, rendering them less effective and susceptible to vandalism. Further, some adhesives may soften in high temperatures, extreme heat, and/or extended exposure to the sun, therein weakening the bond between plate 110 and substrate 130. Thus, the permanency of the adhesive bond may be compromised.
In one embodiment, adhesive 120 may comprise a very high bond (“VHB”) adhesive. One such adhesive is 4905 VHB Acrylic Foam (clear) Tape available from the 3M Corporation. VHB is one of the most permanent of adhesives available. Other variations of VHB by 3M Corporation and 3M Corporation's competitors also may be used for the adhesive 120.
While in one embodiment adhesive 120 may comprise a single layer of adhesive 120 covering substantially the entire surface of rear side 116 of plate 110, adhesive 120 may also be applied in other manners. For example, a ring of adhesive 120 may be applied around the peripheral edge of surface 116. This peripheral configuration of adhesive 120 will tend to create a barrier which prevents moisture from forming or otherwise collecting between plate 110 and substrate 130.
In another embodiment, adhesive 120 may be formed from strips of adhesive 120, thus creating one large adhesive layer 120. This approach may work because VHB has a conjoining property, and, over time, all strips forming adhesive 120 will bond together to form one contiguous adhesive layer 120. However, it should be noted that, in some embodiments of the present invention, failure to sufficiently cover surface 116 of plate 110 with a suitable adhesive 120, may result in ultimate failure of the bond between plate 110 and substrate 130.
In one embodiment, plate 110 is approximately ⅜″ thick and is made of absolute black or similar quality granite. Plate 110 may comprise beveled or other formed edges around the sides of plate 110. Further, a high gloss polish may be applied to the top surface and around the edges of plate 110. Front side 114 of plate 110 may be flat and fully polished to a high gloss. In one embodiment, plate 110 may be oval in overall shape, but may be any shape, including a circle, square, rectangle, heart, or octagon, or other desired shape.
Image 112 may comprise a portrait of at least one person, but may comprise any image. In one embodiment, engraving of image 112 onto plate 110 may be accomplished by a high quality, photo-replicating carving or engraving technology. This carving technology carves away at the polished layer of surface 114 of plate 112, to create an image from contrasting pixels that may become exposed when carved, in relation to the black polish.
This carving technology works in a similar fashion to how an ink printer works on paper, except instead of adding a layer of ink to the paper as an printer does, the technology removes the layer of black surface polish on the surface to be etched. As a printer adds pixels and is reliant on resolution to create an image, so does this carving process. The natural color of granite is a light grey, because of the jagged reflective crystals that protrude in various directions. The polished surface is finished to a black shine and crystals are leveled to the flat surface. When small pixels of information are released from the polish, the exposed crystals of the natural granite reflect light differently, thus creating the perception of light grey color to create contrast in the image.
However, in other embodiments of the invention, the engraving of image 112 on plate 110 may be carried out by other methods that achieve a lesser quality image. Such techniques may include Laser Engraving/Etching, Acid Etching, hand carved artistic engravings, and any diamond tipped or similarly powered engraving machine capable of creating raster images on plate 110.
Further, image 112 may be altered in preparation for engraving. For example, certain features of an original image to be applied to plate 110 may be enhanced and backgrounds may be optimized to create an ideal image 112 for plate 110.
Modifications may be made to the embodiments described above without departing from the broad inventive concept thereof. Having described some embodiments of the invention, additional embodiments, adaptations, variations, modifications, and equivalent arrangements will be apparent to those skilled in the art. These and other embodiments will be understood to be within the scope of the appended claims and apparent to those skilled in the art.
This application claims the benefit of and priority to U.S. Provisional Patent Application Ser. No. 61/391857, filed Oct. 11, 2010, the entirety of which is incorporated herein by reference.
Number | Date | Country | |
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61391857 | Oct 2010 | US |