Did You Know...
...that while attempting to develop a super strong glue, 3M employee Spencer Silver accidentally developed a glue that was so weak it would barely hold two pieces of paper together? However, his colleague Art Fry needed the glue. Fry sang with his church choir and marked the pages of his hymnal with small scraps of paper that often fell out. He used Silver's glue to hold the papers in place. Today we call this invention Post-it Notes.
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| Number | Title | Issue Date |
| 7591051 | Waterproof top end stop of slide fastener The invention provides a waterproof top end stop for a slide fastener for enhancing its waterproof and airproof properties, wherein fastener elements are attached to opposing side edges of a pair of waterproof fastener tapes, an elastic top end stop is attached adja... | 09/22/2009 |
| 7320662 | Method for manufacturing a flexible recloseable container Apparatus and methods for forming, filling, and sealing a flexible recloseable container. Both vertical and horizontal methods for placing product within the container are disclosed. The invention includes guiding a web of film which has interlocking fastener strips... | 01/22/2008 |
| 7311443 | Resealable bag having a slider device to an open closure mechanism This invention discloses a resealable bag. The resealable bag includes a first and second panel joined together to define an enclosed region, a closure mechanism having first and second closure profiles, a slider for selectively opening and closing the closure mecha... | 12/25/2007 |
| 7213303 | Closure device A closure device (100) is provided for use with storage containers (50), such as plastic bags. The closure device (100) includes interlocking fastening strips (120, 130) having first and second ends and a slider member (200) movabl... | 05/08/2007 |
| 7204006 | End-stop for zippered resealable closure A method for providing an end-stop for a slider on a resealable thermoplastic bag is provided. The resealable thermoplastic bag includes a profile track having a first side panel and a second side panel. A clip having first and second legs is made to straddle the pr... | 04/17/2007 |
| 7200901 | Zipper securing devices Zipper securing devices for keeping zippers in a securely closed but unlocked condition that provide for easy un-fastening and re-fastening of the zipper securing device. In one embodiment, the zipper securing device comprises an elastic loop assembly and post. In a... | 04/10/2007 |
| 7188395 | Slide fastener A stopper portion has a minute protrusion on part of an outer peripheral face except a side face in the length direction of a fastener tape. This protrusion is a rib-like protrusion extended linearly in the length direction of the fastener tape formed on a vertex of... | 03/13/2007 |
| 7185400 | Top end stop of slide fastener A top end stop of a slide fastener is attached to fastener stringers on a box pin side, and has a first side face opposing a guide column of a slider and a second side face on an opposite side. The first side face has first and second opposing side faces intersectin... | 03/06/2007 |
| 7178309 | Machine for processing web of material The present invention relates to a process used for packaging a product in a web of material that has a zipper attached thereto. The process includes providing a web of material having first and second edges and a zipper including first and second interlocking membe... | 02/20/2007 |
| 7141013 | Method for making slider end stops on zippers for reclosable packaging A method of manufacture comprising the steps of extruding a zipper part comprising a plastic closure member that has an interlockable profile and that has a side opposite to the profile; and joining a piece of plastic material to the side of the closure member. The ... | 11/28/2006 |
| 7117567 | Two-part connecting zipper pull A two-part connecting zipper pull includes a pull tab with receiving apertures therein and a connecting aperture, a loop member having ends to be fitted into the receiving apertures, and a securing pin for removably securing the ends of the loop member into the rece... | 10/10/2006 |
| 7111714 | Slide fastener pull handle A slide fastener and related pull are disclosed. The pull is formed of an elongate strip of material defining a handle portion between a first end and an opposite second end. The first end of the pull is attached to the article bearing an elongate set of engaging st... | 09/26/2006 |
| 7047992 | Lawn chair screen and cover The lawn chair screen and cover is an enclosure system for lawn or folding chairs to protect the occupant from flying insects. The lawn chair screen and cover is made of fabric mesh and supported by a frame structure that may connect to the chair by rope, hook and l... | 05/23/2006 |
| 7025503 | Reclosable packaging having zipper with recessed slider end stops A slider-operated zipper having recessed slider end stops. The recesses can be formed in top portions of the profiled closure members or in outwardly facing side portions of one or both profiled closure members. Alternatively, the openings of throughholes that pass ... | 04/11/2006 |
| 7017240 | Closure device A container (120) includes a closure device (121). The closure device includes interlocking fastening strips (130, 131) and a slider (132) slidably disposed on the fastening strips for facilitating the occlusion and deocclusion of the fas... | 03/28/2006 |
| 6979289 | Insertion apparatus for attaching sliders onto zipper bags and film A slider (10), a slider insertion apparatus (50) and a method for inserting the slider (10) on an interlocked fastener or zipper (25) of a reclosable bag (44). A loading rack (58, 72) feeds individual sliders (10) to ... | 12/27/2005 |
| 6968604 | Method for forming slider end stops on zipper A method and a system for forming slider end stops on a zipper tape that comprises first and second interlockable zipper parts. The method comprises the following steps: (a) transmitting sufficient ultrasonic wave energy into first and second areas of the zipper tap... | 11/29/2005 |
| 6954970 | Insertion apparatus for attaching sliders onto zipper bags and film A slider (10), a slider insertion apparatus (50) and a method for inserting the slider (10) on an interlocked fastener or zipper (25) of a reclosable bag (44). A loading rack (58, 72) feeds individual sliders (10) to ... | 10/18/2005 |
| 6951421 | Reclosable packaging having slider-operated string zipper A reclosable package or bag having a slider-operated string zipper. The respective parts of the string zipper comprise a respective base strip and a respective set of profiled closure elements projecting from a front side of the base strip. The upper margins of the ... | 10/04/2005 |
| 6928702 | Closure device The closure device (121)includes a first fastening strip (130), a second fastening strip (131), and a slider (132) adapted to be slidably disposed on the fastening strips. The slider (132) facilitates the occlusion of the fastening... | 08/16/2005 |
| 6918234 | Process for attaching slider-operated closure on form-fill-seal packaging machinery The present invention relates to a process used for packaging a product in a web of material that has a zipper attached thereto. The process includes providing a web of material having first and second edges and a zipper including first and second interlocking membe... | 07/19/2005 |
| 6895641 | Closure device The closure device (121) includes a first fastening strip (130), a second fastening strip (131), a slider (132) adapted to be slidably disposed on the fastening strips. The slider (132) facilitates the occlusion of the fastening st... | 05/24/2005 |
| 6775885 | Two way open-end zipper A two way open-end zipper formed of two zipper tapes, left and right top stops, a plug pin and a fixed pin and two slides is disclosed in which the fixed pin has a first upright sidewall, a second upright sidewall, a longitudinal sliding way defined between the firs... | 08/17/2004 |
| 6722520 | Container including a slider and a reclosable fastener A container has a rigid, elongate reclosable fastener, a slider and a track for the slider. The track defines a travel path lying in more than one plane. The travel path has vector components extending in each of mutually orthogonal X, Y and Z directions. The slider... | 04/20/2004 |
| 6662410 | Injection-molded end stop for a slider-operated fastener A fastener arrangement includes a fastener, a slider, and an injection-molded end stop. The fastener includes first and second tracks. The first track includes a first profile, and the second track includes a second profile for interlocking with the first... | 12/16/2003 |
| 6568046 | Closure device The closure device includes interlocking fastening strips and a slider. The ends of the fastening strips are heat sealed, melted or otherwise secured together. The fastening strips include a slit near the end of the fastening strips. The slit prevents the... | 05/27/2003 |
| 6533335 | Security device A security device for a slide fastener, including a housing adapted to be fitted to an object to which the slide fastener is attached, the housing substantially surrounding the slider of the slide fastener in its fully closed position, a closure member ad... | 03/18/2003 |
| 6519826 | Method for the production of a waterproof and gasproof zip fastener A water-tight and gas-tight zip fastener with a sealing port and a method for forming the same provides a zip fastener made of plastic in which preferably spirals in a spiral zip fastener are injection molded with a thermoplastic elastomer which forms a c... | 02/18/2003 |
| 6497014 | Fluidtight zip fastener A fluidtight zip fastener includes a pair of fluidtight zip fastener carrying tapes each having a base tape with a soft covering layer. Sewn to each carrying tape is in an offset position a continuous coupling member row. A zip fastener slider is provided... | 12/24/2002 |
| 6490769 | Slider for a closing band, advantageously of plastic A slider for a closing band includes a core piece (8), two parallel inner surfaces (31, 32), and two support flanks (14, 15). In order improved sliders of this kind, an additional core piece (7) is provided (FIG. 2) in the region of the inner surfaces (31... | 12/10/2002 |
| 6467135 | Security zipper pull A security for a compartmented structure including at least one zippered compartment includes a two-slide zipper. The pulls are configured to interlock one another and to expose a security slot when engaged. Affixing a security product to the security whe... | 10/22/2002 |
| 6431754 | End stop for reclosable fastener and method of installation thereon The present invention is directed to an end stop for a thermoplastic bag having a reclosable fastener at the open top end of the bag. The end stop is configured to facilitate snap fit insertion onto the fastener strips. The end stop further include inward... | 08/13/2002 |
| 6419391 | Reclosable bags having a tamper evident stepped member A plastic bag comprises opposing body panels fixedly connected to each other along a pair of sides and a bottom bridging the pair of sides. A reclosable zipper extending along a mouth portion formed opposite the sealed bottom of the plastic bag. The zippe... | 07/16/2002 |
| 6385818 | End stop and slider for reclosable fastener A closure device for a slider bag with a slider and an end stop operable to releasably latch the slider in the closed position and release the slider with minimal user applied force. The closure device includes first and second interlocking fastening stri... | 05/14/2002 |
| 6189249 | Security tag device A tamper-proof seal assembly for discouraging and detecting tampering of containers onto which the tamper-proof seal assembly is installed. The container includes a closure assembly. The closure assembly defines an opening. The tamper-proof seal assembly ... | 02/20/2001 |
| 6161959 | Storage bag with lockable zipper A storage unit or bag with a lockable closure mechanism is provided. The storage unit includes a container formed with an opening to provide access thereinto, and a cover sized for selective placement and covering over the opening of the container in orde... | 12/19/2000 |
| 5924173 | End posts for plastic zipper A plastic bag comprises first and second opposing panels, a reclosable zipper, and a slider. The first and second opposing panels are fixedly connected to each other along a pair of sides and a bottom bridging the pair of sides. The reclosable zipper exte... | 07/20/1999 |
| 5697130 | Side-entry fastener A side-entry fastener having first and second side strips with teeth, which can be connected to one another to close an opening, and each side strip defining two ends, a connecting block member at one location on one strip, the connecting block member bei... | 12/16/1997 |
| 5621954 | Slider for slide fastener In a slider for a slide fastener, front and rear attachment lugs are arranged on the upper surface of an upper wing of a slider body, each having a horizontal insertion hole and an arcuate guide surface contiguous to the insertion hole. A pull tab retaini... | 04/22/1997 |
| 5586368 | Locking attachment The invention comprises an additional zipper lock attachment. The zipper lock attachment is form of a spring steel rod with its ends overlapping one another in parallel flush engaged position. An intermediate portion of the steel rod has lateral bend. The... | 12/24/1996 |
