BMIC LLC (Dallas, TX)
Shingles have self-seal strips, which have dots of sealant or dots that are separated by drainage gaps. The self-seal strips are associated with each shingle, so that the features are located at the same locations on every shingle. A method of creating such shingles includes synchronizing the rotation of the sealant applicator wheels and the shingle chop cutting tool so that cuts are cut at a variety of locations across the self-seal strips applied.
Traditional shingles have strip of adhesive sealant applied throughout their length in areas in which shingles of one course overlap with shingles of a next lower course. They are commonly called “self-seal strips.” In some instances, self-seal strip are placed on top of the surfaces of the shingles that are underneath. Self-seal strips may also be applied to the underneath of shingles. They can be placed in both places to ensure that the self-seal strip of two overlapping roofing shingles meet each other. The materials used to make self-seal strips, like asphalt or tar will decide how the shingles are laid on a roof. adhesive, asphalt, tar, etc.) The roofing shingles melt when exposed sunlight. This seals each course of shingles to stop wind lift and protects the shingles from further damage.
A self-seal strip typically consists of several adhesive dots that are separated by gaps. The dashes offer adhesion and sealing while the gaps permit to drain any water that may seep beneath or condense between the shingles that overlap. The adhesive dashes can be used during the manufacturing process of shingles by rotating applicator wheels having separated peripheral lands that are carrying adhesive. The lands engage shingle stock as they move along a process route to transfer the adhesive from the lands to the shingle stock creating a self-seal strip with a dash-and-gap pattern. After the shingle stock is been cut into shingles the self-seal strips can be put in the appropriate place at the top of each shingle.
Traditional self-seal strips have problems in that they do not provide constant adhesion and drainage across their lengths. However, shingles don’t require continuous levels of adhesion or drainage along their lengths. To avoid wind-lift, shingles require more adhesion at their ends and corners. However, shingles with middle-portions tend to have lower adhesion. The drainage of water is more crucial close to the edges of horizontally adjacent roofs than at their mid-portions. Self-seal strips can’t be customized to provide varying adhesive or drainage of water along the lengths of shingles. This means that they areinefficient and generally consume significantly more adhesive than actually required for optimal outcomes.
A demand exists for shingles with self-seal strips designed to provide more adhesion where it is required and less isn’t, and to offer optimized water drainage features. There is also a requirement for a method of manufacturing these shingles. It is towards the production of shingles and methods that meet these and other requirements that the present disclosure is primarily directed.
In brief, shingles are self-seal strips comprised of a pattern of dots or dots of sealant adhesive for securing them to the underlying the shingles. Drainage of water can be achieved by separating the dashes using gaps. This disclosure uses the term “dashes” to simplify the process. However, it will be obvious that “dashes”, also includes “dots,” and vice the reverse. The self-seal strips are registered with their shingles so that the pattern of gaps and dashes occurs at the same locations or at designatedlocations on each shingle. The size, width, thickness and/or the shape of the sealant’s dies can be altered depending on their position on the shingle for example, based on their position in relation to the teeth or the edge of the shingle to get the best results, without applying too much sealant. Methods for fabricating these shingles are also disclosed. Advantages are increased wind resistance, decreased costs through optimized use of sealants, reduced sealant compression, less product distortion, and full sealant for shingle, with the exception of locations where water drainage is required.
A roofing shingle, according to one particular embodiment, includes an upper portion with an elongated headlap that may be overlaid by another roofing shingle within the higher roofing course. It also includes an exposure portion that can be exposed to the elements. The roofing shingle further comprises a lower surface opposite the upper surface, and a self-seal strip that is applied to the lower portion. The self-seal strip is a length of the roofing shingle, and contains a range of features. The features of the self-seal strip comprise a sealant material applied along a forward edge of the roofing shingle, and that has at least one drainage gap. The self-seal strip is registered to the roofing shingle in order that at a minimum, a portion of the characteristics of the self-seal strip is located adjacent corners of the roofing shingle that are formed between the forward edge and every side edge of the roofing shingle.
An embodiment of the method involves moving a roofing material through a pathway and then applying a selfseal adhesive the layer of moving roofing material. The result is a self-seal strip that has a predetermined pattern or pattern along its length. The characteristics of the self-seal strips include drainage gaps that are defined at specific spots along the self-seal strips. Additionally, the method involves cutting the roofing material before applying the self-seal glue in synchronization to form roofing tiles. Each roofing shingle has at least one selfseal strip with features that are located at different locations along the roofing shingles. The positions are defined by corners between the forward edges and each side edge of the roofing shingle.
In an example, a roof consists of a roof deck, and a number of roofing shingles positioned on the roof deck. Each roofing shingle features an upper and lower surface that has an elongated headlap that may be overlaid by another roofingshingle that is derived from a roofing shingles course and an exposed portion that may be exposed to the elements. Each roofing shingle has an lower portion which is in opposition to the upper. Self-seal strips are applied to the lower surface. Self-seal strips run across the entire length of the roofing slate and includes various options. Self-seal strips have adhesives that are placed at specific locations along the roofing roof shingle, near the forward edge. Additionally, there is at the very least one drainage gap to allow water flow. The roofing shingles are laid out in interspersed courses on the roof deck. The headlap section of each roofing tile is in a lower course. A self-seal strip constructed from an overlapping roofing material is situated in a higher degree on its forward edge. This includes corners between the sides and forward edges of roofing tiles as well as the roofing tiles that overlap.
The foregoing and other advantages and aspects of the embodiments of the present disclosure will become apparent and more readily appreciated from the following detailed description and the claims, taken in conjunction with the accompanyingdrawings. Additionally, it should be understood that both the foregoing summary of the disclosure and the description below are exemplary and intended to provide more information without limit the scope of the disclosure.
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How to Search for Patents
A patent search is the initial step to getting your patent. You can do a google patent search or do a USPTO search. After the patent application has been filed, the item subject to the application may be called patent-pending, and you can find the patent application online on the public pair. Once the patent office has approved your application, you will be able to do a patent number look to find the patent issued. Your product will then be patentable. You can also use the USPTO search engine. Read on for details. For assistance, consult an attorney who specializes in patents. In the US, patents are issued by the US trademark and patent office, also known as the United States patent and trademark office, which also examines trademark applications.
Are you interested in finding other similar patents? Here are the steps to follow:
1. Think of terms that describe your invention in relation to its intended composition, use, or purpose.
Start by writing down a brief, precise description of your invention. Don’t use generic terms like “device”, “process,” or “system”. Instead, consider synonyms to the terms you chose initially. Then, take note of important technical terms and keywords.
To help you identify the key words and concepts, try the following questions.
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- What are the technical terms and phrases that define the characteristics of an invention? To find the right terms, refer to a technical dictionary.
2. Use these terms to search for relevant Cooperative Patent Classifications on the Classification Text Search Tool. To determine the most suitable classification to your invention, go through the classification’s class Schemes (class schedules). Consider substituting the words that you’re using to describe your invention if you fail to receive any results from the Classification Text Search with synonyms similar to the words you used in Step 1.
3. Review 3. Review the CPC Classification Definition to confirm the relevancy of the CPC classification that you have found. The link to a CPC classification definition is given when the classification you have selected is a blue square with a “D” on the left. CPC classification definitions can be used to identify the scope of the classification, so you are certain to pick the most relevant. Additionally the definitions may include search tips and other suggestions that could be helpful in further research.
4. The Patents Full-Text Database and the Image Database allow you to search for patent documents that have the CPC classification. You can look through and narrow down the relevant patent publications focussing first on abstract and drawings representative of.
5. This list of patent publication is the most appropriate to examine for connections with your invention. Pay attention to the claims and specification. Refer to the applicant and patent examiner for additional patents.
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7. Find other US patent publications using keywords in the PatFT or AppFT databases, searching for classification of non-U.S. patents as per below, and searching non-patent patent disclosures in the literature of inventions using internet search engines. Here are a few examples:
- Add keywords to your search. Keyword searches may turn up documents that are not well-categorized or have missed classifications during Step 2. For example, US patent examiners often supplement their classification searches with keyword searches. Think about the use of technical engineering terminology rather than everyday words.
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- European Patent Office (EPO) provides esp@cenet to access a network of Europe’s patent databases with access to machine translation of European patents.
- Japan Patent Office (JPO) – with access to machine translations of Japanese patents.
- World Intellectual Property Organization (WIPO) offers PATENTSCOPE with a full-text search of published international patent applications and machine translations for some documents, as well as a list of international patent databases.
- Korean Intellectual Property Rights Information Service (KIPRIS)
- State Intellectual Property Office (SIPO) with machine translation of Chinese patents.
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To review your search, you can hire a registered patent attorney to assist. A preliminary search will help one better prepare to talk about their invention and other related inventions with a professional patent attorney. In addition, the attorney will not spend too much time or money on patenting basics.