Abstract: Provided herein are copolymers and copolymer compositions that are both hydrophilic and oleophobic. The copolymers include structural units derived from a fluoroalkyl monomer and a zwitterionic monomer. It further relates to membranes formed by coating a porous substrate with the copolymeric compositions. The copolymeric coating imparts hydrophilicity and oleophobicity/oil-tolerance to the membranes. The uses of such membranes as microfiltration membrane or ultrafiltration membrane are also provided.

Abstract: Provided herein are copolymers and copolymer compositions that are both hydrophilic and oleophobic. The copolymers include structural units derived from a fluoroalkyl monomer and a zwitterionic monomer. It further relates to membranes formed by coating a porous substrate with the copolymeric compositions. The copolymeric coating imparts hydrophilicity and oleophobicity/oil-tolerance to the membranes. The uses of such membranes as microfiltration membrane or ultrafiltration membrane are also provided.

Abstract: The invention relates to a device for coating a substrate using CVD, in particular for coating with diamond or silicon, wherein a neat conductor array composed of a plurality of elongated heat conductors (2) is provided in a housing (9), said heat conductors extending between a first (1) and a second electrode (6), wherein the heat conductors are held individually tensioned by a weight (4) attached to one end thereof. To increase the life of the neat conductors (2), the invention proposes that the weight (4) or the heat conductor (2) be guided at the second electrode (6), forming an electrical loop contact, in such a way that a vector of the weight force (G) produced by the weight (4) makes an angle (?) of no more than 45° with a direction of the longitudinal extension of the heat conductor (2).

Abstract: A flexible filter retainer and a holding frame assembly having a flexible retainer are provided. In one embodiment, the flexible filter retainer for the holding frame comprises a flat body extending from a first end to a second end. The body comprises a bowed shaped retaining portion disposed at the first end and comprises a first strip and a top face. The body also comprises a fixed portion disposed at the second end and comprises a second strip. The first and second strips are linearly aligned and laterally offset from the top face. In another embodiment, a filter holding frame assembly comprises a holding frame and flexible filter retainers coupled to the holding frame. Each retainer comprises a flat body extending from a first end to a second end. The body comprises a retaining portion disposed at the first end and a fixed portion disposed at the second end.

Abstract: A device for fixing a glazed element into an opening for the glazed element to be pivotable with respect to the opening. The device includes at least one projecting element including an axis for fixing the device to an upright of the opening, and at least one baseplate including interior and exterior faces facing a surface of the glazed element. The baseplate is at least partially integrated into a portion of elastic material adhering at least to the interior face. The projecting element rigidly fixes the projecting element to the upright of the opening so that the orientation of the axis with respect to the upright remains unchanged during opening or closing movement of the glazed element and so that during the opening movement, at least part of the portion of elastic material is squashed between the baseplate and the upright or between the baseplate and the glazed element.

Abstract: An arrangement of cooling tubes within a Fischer-Tropsch slurry reactor simplifies removal and reinstallation of cooling tubes for reactor maintenance.

Abstract: An apparatus and method for a slide/swing patio door including a frame having a first panel pivotally mounted on the frame and a second panel slidingly mounted in the frame in a plane adjacent to the first panel. The second panel slides toward the first panel until they are substantially congruent, at which time the first and second panels can be selectively moved out of the frame around a pivot of the first panel. Another embodiment includes a latch to couple the first panel and the second panel together before the panels can be moved around the pivot. An additional embodiment provides a lock pin mounted on the first panel configured to engage a box staple mounted on the frame. In addition, another embodiment further includes a guide mounted on the first panel aligned to engage the second panel, wherein the second panel is guided alongside of the first panel and supported by the guide on the first panel during movement around the pivot.

Abstract: A security door for use with a sliding glass door assembly that is installed in a casing, comprises a frame adapted for rotatable connection to the casing about a generally vertical axis, and first and second panels connected to the frame. The frame includes an upper guide track and a lower guide track that extend in a generally horizontal direction. The first panel is fixedly connected to the upper and lower guide tracks, while the second panel is slidably connected to the upper and lower guide tracks for sliding movement with respect to the first panel between a retracted position wherein the first and second panels are in opposing relationship, and an extended position wherein the trailing edge of the second panel is proximal the leading edge of the first panel. The upper guide track has a length that is approximately equal to a distance between the trailing edge of the first panel and the leading edge of the second panel with the second panel in the extended position.

Abstract: A air bag and lid arrangement for a vehicle passenger compartment is mounted in an opening in a vehicle instrument panel with an air bag module being mounted on a bracket associated with a steering member. A top edge of the opening has a facing portion corresponding to a flange formed on a top edge of a lid. When the lid is attached over the opening it is situated such that, when the air bag inflates, pressure is applied by the surface of the air bag to an inner surface of the lid proximate the flange causing the flange to act as a hinge for opening the lid with substantially no time lag between the inflation of the air bag and the opening of the lid. The lid is further positioned such that impact applied to an outer surface of thereof will not damage the air bag module.

Abstract: According to the invention, a window (11) having an aperture (40) therein also includes a moveable, secondary window assembly (10) mounted on one side of the window aperture (40), such that the secondary window assembly (10) is moveable from a position closing the window aperture (40) to a position wherein the window aperture (40) is at least partially open. The secondary window assembly (10) includes a frame member (20), a secondary window (26) mounted within the frame member (20), and mounting means (41, 42, 51) for mounting the frame member (20) upon the window 11. The mounting means (41, 42, 51) includes at least one flexible hinge pin (41) affixed to the frame member (20) and positioned through a hinge pin aperture (42) through the window (11).

Abstract: The present invention is a flexible hinge for mounting a first panel to a second panel with both the first and second panels having a complex contoured surface. In the disclosed embodiment, the panels are a door panel and the windshield of a boat. The hinge includes brackets mounted to the door panel and the windshield. A flexible pin is inserted into adjoining sockets on the brackets to interconnect them and permit them to pivot with respect to one another. The flexible pin bends as the brackets pivot permitting the brackets to deflect with respect to one another along the longitudinal centerline of the sockets. The preferred flexible pin includes a coil spring and a core pin with the core pin being inserted into the coil spring to increase the shear strength of the coil spring.

Abstract: In a door and door frame construction the door is hinged to the frame by one or more hinged structures, each hinged structure comprising a convex-surfaced support associated with the door and a convex-surfaced support associated with the door frame, at least two resilient strip-like S-shaped hinge members passing partially round each support and together with the other member forming a letter x or figure 8 configuration as seen in a direction along the supports, respective means being provided fastening together the ends of the members alongside each support so that the members are tensioned round the supports, wherein towards the lower end of the construction each support is provided with a surface raised from the general surface of the support and in contact with the raised surface on the other support.

Abstract: A double-hung window having a casing with side boards inwardly delimiting sash pockets is replaced by first stripping the casing of the sashes, then filling the sash pockets with fluent particulate insulation, and finally fitting a replacement window into the casing. These holes can be the ones left by removal of the sash-cord pulleys, or can be specially made. The insulation is cellulose and is filled into the pockets by being pumped thereinto. Furthermore on stripping of the sashes same are separated from the respective sash weights which are left in the respective sash pockets.

Abstract: A parking lot gate is provided with a flexible connector between the elongated gate arm and the arm drive mechanism to prevent breakage of the gate arm or the arm drive mechanism. The flexible connector includes a first connection plate connected to the arm drive mechanism, a second connection plate connected to the gate arm, and first and second coil springs connected between the first and second connection plates. The first and second coil springs are positioned essentially parallel to one another and in an essentially vertical plane.

Abstract: A wall system suitable for use in the ventilating of buildings which incls a vertically adjustable, drop vent, upper wall section subwall which is offset from and adapted to be raised or lowered relative to a stationary lower subwall by means of a winch and pulley arrangement.