Abstract: Shown is a firearm stock having a self-supporting structural shell made substantially of composite material. The shell includes an exterior wall and an interior wall, at least some portion of which is spaced from the exterior wall. A cavity in the shell is sized and shaped to accept and secure the barreled action of a firearm and has an interior volume defined at least in part by at least a portion of the interior wall. The stock also includes a means for attaching a butt stock with a standardized complementary attachment means.

Abstract: End plate sling adapter securable to a rifle for a sling, includes a fastener element, sling adapter clamp and locking insert. Sling adapter clamp has a collar defining a central opening extending therethrough, and a pair of fastener housings arranged at respective ends of the collar defining a gap therebetween. Each housing receives a fastener therein such that the fastener extends across the gap and is adjustable to reduce its width. Locking insert has an upper portion with a threaded cradle accommodated within central opening and meshing with a threaded portion of a rifle buttstock receiver extension, and a lower portion extending into the gap.

Abstract: A sighting device is mountable to the side plate of a gun. The sighting device includes a light source (preferably a laser), a power source connectable to the light source. The sighting device is mounted to a gun, usually by being mounted to a side plate, which is then mounted to a gun. In one embodiment, the sighting device is mounted to the side plate by being screwed or bolted to it. In another embodiment, the sighting device includes a recess or channel that receives a rail, such as a dove-tail projection (or protrusion), formed on the side or vice versa. A side plate to which the sighting device can be attached and a gun including the sighting device are also disclosed.

Abstract: A gun sight base which is designed to allow the user to quickly adjust the elevation of the attached gun sight as a means to affect the trajectory of a projectile discharged from the host firearm. Provided is a removable, pre-calibrated adjustment cam which is in operational contact with the attached gun sight. A distance indicator is visible to the user to allow for rapid elevation adjustments without the need for tools.

Abstract: The fishing lure is formed in a variety of configurations mimicking various prey animals to which game fish might be attracted. Each lure is formed of relatively soft plastic or rubber for flexibility, although the head or forward end of the lure may optionally be formed of harder material. The lure includes a pair of laterally opposed notches or grooves between the head and body, and a series of longitudinally staggered notches or grooves across the upper and lower body or tail portion. These notches or grooves provide even greater flexibility for the lure, allowing the lure to undulate due to hydrodynamic force when drawn through the water. The hook is installed in the forwardmost portion of the lure with the tip oriented above and/or forwardly of the remainder of the lure, to avoid reduction of body flexibility due to being penetrated by the relatively stiff shank of the hook.

Abstract: A tube shaped skirted lure comprising a flexible cylindrical silicon tube having a closed end and an open end. A circular channel surrounding the open end and a plurality of flat silicon blanks, each blank having a tab end and a plurality of flexible strands. The circular channel having a “U” shaped cross section. Each tab inserted into the channel and adhesively attached in the channel such that the open end has a plurality of flexible strands radiating out from the open end.

Abstract: A rodent management system includes a housing having a base and a lid together at least in part defining an interior space of the housing. The lid is positionable relative to the base between a closed configuration of the station in which the interior space in substantially enclosed, and an opened configuration of the station in which the interior space is accessible for servicing. The housing has at least one entry opening through which rodents enter the interior space of the housing. The base has an inner surface at least in part defining an interior floor of the housing. A bait support is positionable within the interior space of the housing and configured for supporting bait above the floor of the housing. The bait support is further configured for releasable connection with at least one of the base and the lid.

Abstract: An apparatus according to the present invention for hitting a flying insect, includes the combination of at least one electrically conducting net for hitting the flying insect, a source of electric power connected to the at least one electrically conducting net a counter, a transducer coupled to the at least one electrically conducting net and to the counter, for indicating to the counter when the at least one electrically conducting net hits the flying insect, and a display coupled to the counter for indicating the number of hits. The at least one electrically conducting net is provided sufficient electrical power to kill the flying insect upon contact. A preferred form of the apparatus further includes a frame for holding the at least one electrically conducting net and a handle for manually holding the apparatus, wherein the frame extends from one end of the handle.

Abstract: A composition is disclosed that comprises the reaction product of an acidic organic compound and a boron compound. The composition is useful as a detergent additive for lubricants and hydrocarbon fuels.

Abstract: A method for stabilizing pyrolysis gasoline in storage involves adding an effective amount of a quinone methide compound to the pyrolysis gasoline. The quinone methide does not require oxygen for activity. Embodiments of the quinone methide do not contain nitrogen and will have a reduced tendency for ammonia production.

Abstract: A biocoke producing apparatus that realizes efficient mass production of biocoke; and a process therefor. There is disclosed a biocoke producing apparatus capable of pressure molding of a moisture-regulated pulverized biomass while heating the same in a reaction vessel (1) to thereby obtain biocoke. In the reaction vessel (1), there are preset the temperature range and pressure range for, without carbonizing of the pulverized biomass, inducing a pyrolytic or thermal curing reaction of lignin and hemicellulose thereof. The reaction vessel (1) has pressurization means for pressurizing to the pressure range, heating means for heating to the temperature range in the state of the pressurization and cooling means for cooling after maintaining of the above state. Multiple reaction vessels (1) are provided. A pulverization delivery conveyor (20) is provided superior to these reaction vessels, and each of the multiple reaction vessels is connected via a connection tube (4) to the conveyor.

Abstract: The invention relates to a material and/or fuel which is produced from biomass. The material and/or fuel can be produced according to a method, wherein the biomass is treated at a temperature of over 100 degrees centigrade and a pressure of over 5 bar for a treatment duration of at least 1 hour.

Abstract: In algae, the conditions for optimal production of biomass are different than the optimal conditions for oil/lipid production. Conventional processes require that both steps be optimized simultaneously which is necessarily sub optimal. The invention provides systems and processes for optimizing each type of production separately and independently, thereby improving overall production of oil, lipids and other useful products. This process is advantageous because it allows the optimization of the individual steps and growth phases in the production of oil from biomass. This allows the use of different feedstocks for various process steps.

Abstract: The invention disclosed herein relates to an ultra high intensity micro algal bioreactor designed to minimize the area foot print while completely controlling and optimizing the conditions for growing one or more specific strains of micro algae at maximum efficiency and minimum cost. The innovative bioreactor is in the form of an algae growing assembly that comprises a plurality of growing trays vertically stacked together and retained within a transparent housing. Each growing tray is configured to flowingly transport nutrient enriched water to the growing tray positioned immediately beneath it. Each growing tray is composed of a stiff transparent plastic sheet having a pliable transparent gas permeable membrane affixed thereon. A carbon dioxide gas infusion system is fluidicly connected to each of the plurality of growing trays such that carbon dioxide gas is able to (1) inflate respective carbon dioxide gas chambers, and (2) diffuse into the nutrient enriched water.

Abstract: The present invention is in the field of plant biochemistry. More specifically the invention relates to nucleic acid sequences from plant cells, in particular, nucleic acid sequences from maize and soybean associated with the phosphogluconate pathway enzymes. The invention encompasses nucleic acid molecules that encode proteins and fragments of proteins. In addition, the invention also encompasses proteins and fragments of proteins so encoded and antibodies capable of binding these proteins or fragments. The invention also relates to methods of using the nucleic acid molecules, proteins and fragments of proteins and antibodies, for example for genome mapping, gene identification and analysis, plant breeding, preparation of constructs for use in plant gene expression and transgenic plants.

Abstract: A device having a tray defining at least one reservoir designed to contain a liquid, a platform, designed to be placed on the tray and to support a growing substrate, the platform including a flat main portion provided with wells having, at the bottom, an orifice communicating with the liquid contained in the tray, and means for carrying liquid in the reservoir, where a plurality of reinforcing walls protrude perpendicularly upwards from the main portion of the platform, where these walls have sufficient height so that, when the platform is placed on the tray, their top edge forms the highest portion of the device, and where the reinforcing walls are distributed on the surface of the platform so as to allow a distribution of the loads applied to this device.

Abstract: A capillary hydration system and method for facilitating the growth of plants are provided. An exemplary system comprises a base having a reservoir for holding nutrient solution, and an insert portion. The insert portion comprises at least one downwardly extending plant receiving depression that is capable of holding a growth substrate. The plant receiving depression has at least one capillary opening such that when the capillary opening is in liquid communication with the nutrient solution in the reservoir, nutrient solution is wicked from the reservoir to the growth substrate by capillary action. In accordance with various exemplary embodiments, the capillary hydration system may further comprise cover, including a cover with a supply component for refilling the nutrient solution without removing the insert portion or the cover, and a nutrient supply level indicator.

Abstract: A biomass fast pyrolysis system for conversion of biomass vegetation to synthetic gas and liquid fuels includes: a) a non-circulating riser reactor for pyrolysis of biomass vegetation feedstock utilizing a heat carrier, the non-circulating riser reactor being physically structured and adapted to have a rate of reaction of at least 8,000 biomass vegetation feedstock lbs/hr/ft2, utilizing a ratio of heat carrier to biomass vegetation feedstock of about 7:1 to about 11.

Abstract: An adiabatic reactor comprising a first inlet and a first outlet defining a first flowpath between the first inlet and the first outlet and a second inlet and a second outlet defining a second flowpath between the second inlet and the second outlet, wherein the first flowpath and the second flowpath are directed in opposite directions; wherein both the first flowpath and the second flowpath comprise a catalyst; and wherein at least part of the first flowpath and at least part of the second flowpath are thermally connected via a wall separating the first flowpath from the second flowpath. In addition a methanation process and system using the adiabatic reactor is provided.

Abstract: A process for producing a methane-rich gas comprising the steps of: a) mixing a feed gas, comprising carbon monoxide and hydrogen, and a recycled methane-rich gas, comprising methane, to produce a gas mixture, comprising carbon monoxide, hydrogen and methane; b) reacting at least part of the carbon monoxide and hydrogen in the gas mixture in the presence of a methanation catalyst to produce a methane-rich product gas comprising methane, carbon dioxide and water; c) treating at least part of the methane-rich product gas to remove carbon dioxide to produce a methane-rich carbon dioxide-lean gas; and d) recycling at least part of the methane-rich carbon dioxide-lean gas to mixing step a) as recycled methane-rich gas.

Abstract: The invention relates to an access lock (50, 60) for the cyclical opening up of a passageway, with a movable support element (14), the movement of which is transmitted to an arrangement of locking elements (52, 62) which are movable by means of movement of the support element (14) within guide elements (54, 64), which delimit the passageway, wherein the support element (14) in each case has one or more first and active surfaces (18, 20) which face in opposite directions, and with a locking device for blocking the movement of the support element (14), the locking device having two bolts (22, 24) which are movable between a locking position and a release position, wherein a first of the bolts (22) in the locking position thereof, bears against the first active surface (18) or against one of the first active surfaces (18), and the second bolt (24), in the locking position thereof, bears against the second active surface (20) or against one of the second active surfaces (20).

Abstract: A thermally insulated lift gate for selectively closing an opening of a cold-store, including roller guides extending vertically along sides of the opening of the cold-store, a door leaf slidably disposed within the roller guides and a lifting mechanism for vertically moving the door leaf within the roller guides to open and close the opening of the cold-store. The door leaf includes a rigid region defining an uppermost portion thereof and a flexible region defining at least a lower portion thereof.

Abstract: The present invention generally relates to door safety systems incorporated into a gap formed between a rear end of a door and a matching frame and covering the gap while the door is open such that an user may protect his or her fingers or toes from being caught in the gap when the door may be shut unexpectedly. More particularly, the present invention relates to various covers of such systems which may extend across and cover at least a portion of the gap, may fill such a portion of the gap or otherwise isolate such a portion of the gap when the door is open. As will be described below, such door safety systems of this invention may be practiced by numerous embodiments each including one or more movable covers which may cover the portion of the gap in relation to movements of the doors and/or presence of an object in such a gap. The present invention also relates to various methods of covering the gap using such covers and various processes for providing the covers.

Abstract: A method for manufacturing a polishing pad that has a high level of optical detection accuracy and is prevented from causing slurry leak from between the polishing region and the light-transmitting region includes preparing a cell-dispersed urethane composition by a mechanical foaming method; placing a light-transmitting region at a predetermined position on a face material or a belt conveyor, continuously discharging the cell-dispersed urethane composition onto a part of the face material or the belt conveyor where the light-transmitting region is not placed; placing another face material or belt conveyor on the discharged cell-dispersed urethane composition; curing the cell-dispersed urethane composition to form a polishing region including a polyurethane foam, so that a polishing sheet is prepared; applying a coating composition containing an aliphatic and/or alicyclic polyisocyanate to one side of the polishing sheet and curing the coating composition to form a water-impermeable film; and cutting the poli

Abstract: A bonded abrasive tool includes a bonded abrasive body having a bond matrix material comprising an organic bond material, abrasive grains contained within the bond matrix material, and chopped fiber bundles within the bond matrix material. The tool further has a porosity within the bonded abrasive body, wherein a majority of the porosity comprises pores surrounding the chopped fiber bundles.

Abstract: A structure for outdoor marquees, pergolas and the like, of the type that comprises at least one supporting post with a substantially vertical arrangement, which is associated with at least one beam which can have an even slightly inclined arrangement. The beam comprises two mutually opposite profiles having a substantially U-shaped cross-section, the first profile, which is superimposed on the second profile and faces it, accommodating elements for moving a marquee associated with the structure, the second profile constituting a path for collecting rainwater that drains off the marquee in order to convey it to a drainage path.

Abstract: A universal flashing is provided for windows and doors. A head flashing assembly is fabricated at a construction site to fit specific door or window widths. A center section which may be extruded with a sloped base, a rear flange, and a front lip. End caps may be provided to snap or glue on the center section. The end caps have a perpendicular fin which serves as an end dam to block the lateral movement of water. The assembly may be inverted for use as a sill pan. The center section may be cut to a desired length and installed over arched windows or doors by bending to shape as it is installed. For arched applications, a combination of rigid and flexible PVC may be coextruded to provide a desired cross sectional profile that is flexible enough to be bent around the arch, but stiff enough to retain its cross section for drainage.

Abstract: The present invention includes a system or kit of injection molded and extruded panels and other components having integrated connectors which combine together to form an enclosure, preferably in the form of a gazebo. Optional kits are available to provide the gazebo with screen and/or solid enclosures. The support posts, roof rafters, roof supports, roof panels and walls are formed of injection molded plastic to interlock with one another without the need for separate I-beam connectors. The system incorporates a minimum number of components to construct a gazebo type enclosure by integrally forming connectors in to the injection molded components and panels. This minimizes the need for separate extruded or molded connectors to assemble the enclosure. The symmetry of the support posts, roof rafters, roof supports, roof panels and other components also minimizes the shapes of the components and simplifies construction of the gazebo.

Abstract: The invention encompasses a mobile, expandable shelter intended to provide medium term housing to disaster victims. The invention minimizes moving parts so as to make the shelter more structurally sound and allows full deployment by two people in less than ten minutes without the use of a motor to supply hydraulic, pneumatic or electric assistance. This shelter will maximize space by offering the unique feature of side shells that slide over the base structure not out of the base structure.

Abstract: Supporting structure (8) for curved envelope geometries in buildings consisting of support elements (4) which are each combined to form N-sided polygons (N=3,4, . . . ) which span the envelope geometry and which each enclose a planar surface element (5), and the support elements (4) of adjacent N-sided polygons each form a common node region (3) in which the support elements (4) abut, and the plane of a surface element (5) and the respective planes of the surface elements (5) of two N-sided polygons which adjoin in non-parallel spatial directions lie in different planes in at least one portion of the envelope geometry.

Abstract: A seat and anchor assembly for mounting and securing a wood joist or roof truss to a tie beam of a building including a central web portion and an upwardly extending wall portion disposed along a longitudinal edge thereof wherein a lower portion of the roof truss or joist fits within what may be considered a seat defined by the web and the upstanding wall portion. An elongated anchor strap is adjustably attached to the wall portion and is adapted to be secured by nails or like connectors to the top portion of the roof truss and further wherein the anchor strap includes a lower length disposed and adapted to be embedded in wet concrete initially defining the tie beam of the building on which the seat and truss rests.

Abstract: A cenotaph memorial facility comprising a plurality of walls containing crypts is dedicated to an honoree who is not interred within the facility. The facility may comprise a large external memorial structure to protect the walls and individual crypts. The cenotaph memorial facility includes a plurality of video cameras to permit remote viewing of various portions of the facility. The video cameras are controlled by a computer system that allows remote access via a network, such as the internet. An individual enters authorization data and, upon authorization, can remotely view one or more portions of the facility. An on-line auction processor can automatically conduct auctions of selected articles using a timed auction over a prolonged bidding period or a real-time auction. In another aspect, a virtual reality (VR) image capture system captures images that may be remotely viewed using VR technology. This may include 3-D imaging, holographic imaging, or the like.

Abstract: An elastomeric seismic isolator bearing comprising a plurality of elastomeric layers reinforced with a plurality of fiber layers is disclosed, wherein said bearing is capable of exhibiting stable rollover when subjected to a lateral load in an unbonded application.

Abstract: The invention relates to a bearing frame for a panel, of the type comprising a peripheral structure (1, 1?) for receiving a panel (20), including at least three mounts (2, 3, 4, 5, 2?, 3?, 4?, 5?) defining a frame in which the lower face defines a reference plane (P, P?), in which at least one mount (2, 5; 5) includes a wing (90,100; 90?) extending on the entire length thereof towards the outside of the frame in parallel with the upper face of the frame, the frame comprising at least one precut metal strip (30) stamped, folded and assembled by welding, in particular laser welding, characterised in that the peripheral structure (1, 1?) is hollow and in that it further comprises inner and outer connection means (14, 16, 17) and an electric linking means (18) between the inner and outer connection means, provided inside the hollow peripheral structure.

Abstract: A modular flooring assembly for heavy-duty applications is presented. It is made of a plurality of interlockable mat units, each mat having a plurality of edges with at least one edge having a connector in the plane of the mat unit. Each connector is made of a plurality of alternating teeth and grooves respectively adapted to engage the grooves and the teeth of another mat unit. Each groove has a first bevel with respect to the plane extending along its back wall and a rear portion of its corresponding side walls. Each tooth has a second bevel with respect to the plane extending along its front wall and a front portion of its corresponding side walls. The first and the second bevels are complementary and each side wall form a twist transition between the first and second bevels.

Abstract: The invention provides a system for installing a roof penetrating structure to a metal roof, the system comprising: a) a rail and closure structure adapted to be supported by adjacent rib elevations of said roof; b) a skylight adapted to be supported on the rail and closure structure; and c) a support member for sealing a cut away portion of the rib structure to divert water away from the rail and closure structure.

Abstract: A sill corner key for use in a sill assembly configured to be supported on a base surface, the sill assembly including a lineal base member and a vertical jamb. The sill corner key includes a vertical component having a top surface, a bottom surface, and an inner wall extending between the top surface and the bottom surface, the inner wall defining a sealant pathway formed therein. The inner wall is configured to slidably receive a portion of the lineal base member and the sealant pathway is configured to direct a fluid sealant to flow along the portion of the lineal base member within the inner wall.

Abstract: A walkway system comprising a plurality of support assemblies, each having a pair of spaced apart beam support plates on an upper side thereof, and a plurality of pairs of beams. Each pair of beams is supported by pairs of spaced apart beam support plates of at least two support assemblies. A plurality of cross members extend between lower portions of the pairs of beams. The cross members are configured to support one or more cables resting thereupon. A plurality of decking members extend between the pairs of beams. The decking members are secured to upper sides of the beams. The cross members, beams and decking members cooperate to form a partial enclosure for the cables, thereby eliminating the need for a separate cable tray.

Abstract: A tamper-proof conduit concealing system typically of a type typically defines an elongate solid rectangular structure, also known as a soffit. The bottommost surface of said structures is particularly prone to sagging, bowing, buckling and the like. In conduits of sufficient length, vertical surfaces are also subject to stresses and strains induced by the force of gravity. The conduit concealing system includes the provision within one or more surfaces of the soffit to be reinforced of a series of transverse ribs or gussets, that is, ribs or gussets which are perpendicular to the length of the soffit and, typically, also perpendicular to the surface to which the soffit is to be attached. Such ribs or gussets are pressure formed on the soffit and may exhibit depths in a range of 0.1 to 1.0 inches, and lengths in a range of 0.25 to 2.

Abstract: A system for hanging items from a modular building panel is disclosed. One embodiment of the system includes a modular building panel with a hole in the panel, a hanging member, with a load distribution plate, and an attachment shaft, and an attachment means at the end of the attachment shaft. Several embodiments of the present invention are described.

Abstract: A block suitable for use in an arrangement of blocks that are interlocked. The block may comprise: a first side surface extending between a first edge and a second edge, the first side surface being irregular and having a first half and a second half that are congruent; a second side surface extending between the second edge and a third edge, the second side surface having a first half and a second half that are congruent; a third side surface extending between the first edge and a fourth edge, the third side surface being congruent with a first portion of the first side surface; a fourth side surface extending between the third edge and a fifth edge, the fourth side surface being congruent with a second portion of the first side surface such that the first portion and the second portion of the first side surface constitute the first side surface; and a fifth side surface extending between the fourth edge and the fifth edge, the fifth side surface having a first half and a second half that are congruent.

Abstract: An interlocking concrete block for forming horizontal wall-channels for reinforcement of block walls of dry-stack, vertically-offset, double-wythe construction. The block has an outer block wall on one side and a head portion extending to the opposed side. The head portion has a connecting portion which interfits with a receptacle of a similar block. The block has a channel extending generally parallel to the outer block wall. In a block wall, two vertically-adjacent series of the blocks form a horizontal wall channel which can hold a reinforcing bar and in-filled concrete, for horizontal reinforcement of the wall.

Abstract: Means for and a method of erecting block drywall wherein the blocks, or bricks, are, for the most part, rectangular in appearance and each provided, on their undersides, with a longitudinal and centrally oriented cavity extending the full length of each block and leaving longitudinal, horizontal, contact areas on each side of the cavity for seating on an underlying block in a wall construction, the upper sides of each block being provided with a horizontal and centrally located protuberance extending the full length of the block, there being longitudinal seating areas along the top side of each block situated to cooperate with the underside seating areas on each side of a similar block seated thereon, the cavities and protuberances of the blocks constituting symmetrically opposed mating surfaces facilitating the staking of blocks, one upon another and slideable longitudinally with respect to each other in a vertical drywall construction, the blocks of each row may be provided with centrally located and horizo

Abstract: A concrete roof panel for constructing a peaked concrete roof on a building has a first planar member coupled to a second planar member at an angle other than 180 degrees. The roof panel includes at least one rib member coupled to the inside surface of the roof panel. The roof panel includes a flattened attachment portion at either end thereof for connecting the roof panel to a side wall of a building.

Abstract: A segment for a tower containing a number of longitudinal corner elements (2), with protruding flanges (3a, 3b) at the bottom and top end, by which the flanges protrude in opposite directions, and the corner elements being interconnected by cross bars (4), the bottom flanges being located in a bottom plane (BOT), and the top flanges in a top plane (TOP), the flanges (3b) at the bottom side being directed outward, and the flanges at the top (3a) being directed inward.

Abstract: Protectors for user interfaces having a perimeter and having a substantially-planar display board disposed about their perimeter, the protector comprising a framework dimensioned sufficiently to protect the user interface from sustaining damage from moving objects, the protector having a plurality of attachment fixtures, and wherein the framework comprises vertical beams having end portions that are permanently affixed to the attachment fixtures. The instant protectors are useful, inter alia, for user interfaces disposed at locations at which they are susceptible to sustaining damage from moving objects, including motorized vehicles, which includes trucks and automobiles.

Abstract: The invention relates to a device which is coupled to a standard conventional disk or lateral type spacer and which can be used to fix it to a relatively soft material into which the device is stick in, by pushing the device against a reference surface, which may be an adjoining wall or any form, thereby ensuring: the correct positioning of the structural elements to which the spacer is fixed, and therefore, the thickness of the concrete layer between said structural elements and the reference surface, which can provide insulation or serve as a construction joint; and hence the correct position and operation of the panel or wall of soft material serving as a construction joint or as a thermal or sound insulation material.

Abstract: Methods and apparatus for coupling adjacent concrete panels increase the tolerance for setting. Connections members are placed in at least one of the adjacent concrete panels. In one embodiment a first connection member is placed in a first panel and a second connection member is placed in a second panel. A plate is placed over the first and second connection member. Fasteners are inserted through the plate and into each connection member to secure the adjacent panels together. In a second embodiment a rotatable connection member is placed in a first panel. The rotatable connection member includes a first rod rotatably coupled to a second rod. The second panel is placed on the first panel. The connection member is rotated from its first position to its second position and is secured to the second panel. The connection members may be cast in the panels during production.

Abstract: A connection between an anchor bolt and an anchor bolt holder that is economically efficient to produce and simple to use. This object is achieve by forming the anchor bolt holder from sheet metal and shaping the anchor bolt holder so that it can be formed on an automated die with a minimum of unused material.

Abstract: A roofing membrane includes first and second layers. The first layer includes a low surface energy polymer. A method of installing the roofing membrane includes, along an edge of a first membrane, mechanically removing a portion of the first membrane extending vertically to include the first layer and a portion of the second layer to leave a flap of the first membrane, placing an edge of a second membrane to overlap the first membrane, and bonding the first membrane to the second membrane. The underside of the edge of the second membrane overlies the flap of the first membrane.