Thomas Edison obtained a patent for an electrographic vote recorder.
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| Number | Title | Issue Date |
| 8132303 | Zipper slider A zipper slider includes a top plate and a bottom plate. A connecting portion is provided between the top plate and the bottom plate. Two guiding slots are formed between the top plate and the bottom plate. One side of the top plate and the bottom plate extends to f... | 03/13/2012 |
| 8112848 | Slider for a fluid tight slide fastener A slider for a fluid tight slide fastener that has upper and lower plates joined together by a guide post. A guide plate is formed on the guide post to cooperate with the upper and lower plates, to guide the coupling elements and sealing lips of the slide fastener i... | 02/14/2012 |
| 8091186 | Slider for a fluid tight slide fastener A slider for a fluid tight slide fastener has upper and lower wings joined by a guide post and a guide plate provided between the upper and lower wings and spaced there from to cooperate with the upper and lower wings to guide coupling elements and sealing lips of t... | 01/10/2012 |
| 7946004 | Reclosable fastener with slider for high-pressure processing A fastener for a plastic bag includes first and second mutually engageable track portions and a slider for engaging and disengaging the track portions. In a preferred embodiment, the slider includes a core portion and an end portion. The core portion is made of a fi... | 05/24/2011 |
| 7464445 | Cap structure for zipper A cap structure for a zipper includes a cap and a resilient tab. The cap has a containing groove formed on the bottom surface thereof. At least one lug is disposed on the bottom surface of the containing groove. The bottom of the concave portion is lower than the to... | 12/16/2008 |
| 7416339 | Slider for single hand operation A slider for use with interlocking profiles in a reclosable plastic bag is disclosed. The slider includes a rotary device which allows the user to hold the reclosable plastic bag and operate the slider with a single hand. The rotary device can be a thumbwheel which ... | 08/26/2008 |
| 7404240 | Zipper pull with cover member A zipper pull with a cover member, which has a simple structure and can be manufactured at a low cost, can realize a good and stable receiving and holding ability of a pull-tab over a long period of time, and also can prevent swinging between respective component pa... | 07/29/2008 |
| 7356887 | Slider for slide fastener and slider having a spring body mounted thereon The invention provides a spring body for a slide fastener and a slider having the spring body mounted thereon, comprising: the spring body made of a platy material having an opening window portion at the opposite side of a pawl portion, and entirely formed in a late... | 04/15/2008 |
| 7313847 | CTF flip-N-zip slider The CTF Flip-N-Zip slider enables the purchasers of a zipper with the CTF Flip-N-Zip slider installed to disconnect at least one side of a zipped zipper and return it to the starting position. Current fixed sliders are very hard to fix if a foreign object jams the z... | 01/01/2008 |
| 7293335 | Slider for slide fastener A slider for a slide fastener having a cover member capable of rotating between a first position at which a pull tag is concealed in an immobile state and a second position at which the pull tag is exposed, wherein engaging/disengaging means for engaging with/diseng... | 11/13/2007 |
| 7293334 | Integral zipper slide and guard An integral zipper slide and guard. The integral slide and guard is formed as a single unit, thus alleviating previous problems of attachment of zipper guards to zipper slides. Moreover, the unitary structure of the zipper slide and guard permits a one-step molding ... | 11/13/2007 |
| 7269883 | Closure device A container (110) including a closure device (121) is disclosed. The closure device (121) includes a pair of interlocking fastening strips (130, 132) and a slider (134) for occluding and deoccluding the fastening strips (130, 13... | 09/18/2007 |
| 7263748 | Slider for reclosable fastener A foldable plastic slider for straddling relation with a plastic fastener includes first and second profiles. The straddling slider is adapted to close or open the fastener by movement therealong. The slider comprises a transverse support member, first and second le... | 09/04/2007 |
| 7257868 | Slider for concealed type slide fastener and concealed type slide fastener A slider of a concealed type slide fastener and the concealed type slide fastener, wherein the slider engages/disengages respective fastener element rows of the concealed type slide fastener, in which fastener elements are continuously attached to folded-back pieces... | 08/21/2007 |
| 7251864 | Two piece and assembleable slider for application to resealable portions associated with a plastic bag A slider for assembly over first and second extending and reclosable portions associated with a resealable bag, each of the reclosable portions includes an opposing and biasingly mating profile extending along upper edges of the bag. The slider includes a main body ... | 08/07/2007 |
| 7223222 | Slider zipper assembly and shroud with high pressure pasteurization protection system The present disclosure relates to methods for forming reclosable bags with slider zippers which can be used in high pressure pasteurization. In particular, these methods form reclosable bags with a shroud formed over the slider zipper, with a patch or cap for protec... | 05/29/2007 |
| 7188394 | Hollow ribbed slider for a reclosable pouch A slider is provided that may be oriented on a closure assembly of a reclosable pouch to open and/or close the pouch. The slider includes a top portion and at least two side walls. A channel is formed between the side walls for receiving the closure assembly of the ... | 03/13/2007 |
| 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 |
| 7150080 | Concealed type slide fastener A concealed type slide fastener comprises two fastener tapes having their opposed edges folded thereon; two rows of fastener elements mounted on the folded edges; a top end stop mounted a fastener element row; and a slider movable along the element rows. The slider ... | 12/19/2006 |
| 7114310 | 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... | 10/03/2006 |
| 7111367 | Slider for a concealed slide fastener This invention relates to a concealed-type slider. Side walls are erected on both sides of a bottom plate of a body and a top end of each side wall is bent to form a flange. A guide portion is provided by forming a down-grade slope inclined from a leading end of a s... | 09/26/2006 |
| 7100487 | Punch device for creating a guide notch in a polymeric fastener attached to a plastic package A method and apparatus for punching a guide notch in a polymeric zipper having a male and female track with respective fins. The method includes sliding the zipper into position in a punch housing and punching a guide notch into the zipper. The guide notch is define... | 09/05/2006 |
| 7093409 | Method and apparatus for making reclosable plastic bags using a pre-applied slider-operated fastener A method and apparatus for making reclosable plastic bags is provided. In the method and apparatus, a fastener is attached to a moving flat web of plastic film, preferably in the direction of web movement and near the center of the web. A plurality of sliders are mo... | 08/22/2006 |
| 7059024 | Slide fastener Fastener elements are attached to a side edge of a fastener tape composed of a knitting structure. An interval between the elements and a wale in the vicinity of the elements is formed into a thin knitted fabric. A flange on a side of a rear mouth of a slider is dis... | 06/13/2006 |
| 7004629 | Method and apparatus for hanging a resealable bag There is disclosed a variety of adapter hooks and methods for supporting individual resealable storage bags on a support rod, at any available location along the support rod without requiring the removal of other storage bags supported on the support rod, comprising... | 02/28/2006 |
| 7000293 | Concealable zipper slider structure A concealable zipper slider is described. The concealable zipper has a slider body with a bottom part, two lateral ribs and two top parts. A connecting portion protrudes from the bottom part, two sliding slits are formed between the bottom part and the two top parts... | 02/21/2006 |
| 6962440 | Molded sliders for actuating zippers in reclosable packages A slider-zipper assembly in which the slider has a design lending itself to economical manufacture using an injection molding process. The slider comprises a frame that straddles the zipper, a plow supported by the frame and separating respective sections of two int... | 11/08/2005 |
| 6960374 | Biodegradable bag The present invention provides a biodegradable bag which can be heat-sealed at low temperature, does not develop corrugation, has transparency, and has degradability in the natural environment. Laminates including a biaxially oriented film of which the major compone... | 11/01/2005 |
| 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 |
| 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 |
| 6811862 | Slide fastener The present invention provides a resin composition for a slide fastener. In one embodiment, upon setting, the resin composition does not melt even upon contact with a hot surface. In addition, the fastener provides low sliding resistance or friction, as well as dura... | 11/02/2004 |
| 6786641 | Assembly having slider mounted inside zipper for reclosable packaging A slider-zipper assembly for reclosable packaging in which the slider is mounted inside the zipper. Each zipper part comprises a base and a closure element connected to the base, the respective closure elements being mutually engageable. The slider comprises a body ... | 09/07/2004 |
| 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 |
| 6728997 | Closure device The closure device includes interlocking fastening strips and a slider slidably disposed on the fastening strips for facilitating the occlusion and deocclusion of the fastening strips. The external surface of the slider is designed to alter the way in which the slid... | 05/04/2004 |
| 6701584 | Zipper guard A zipper guard is formed as a one-piece homogeneous plastic molding. Resilient hooks or latches are formed on the zipper guard to provide a simple snap-fit interconnection between lugs on a zipper slide and two pairs of engagement legs on the zipper guard... | 03/09/2004 |
| 6686005 | End termination materials for reclosable polymeric bags An end termination for use with a reclosable polymeric bag comprises providing a mixture comprising from about 70 to about 95 wt. % of a polyolefin, from about 5 to about 25 wt. % hydrocarbon, from about 0.01 to about 2 wt. % mold release agent, from abou... | 02/03/2004 |
| 6622351 | Slider for airtight and watertight slide fastener A slider for an airtight and watertight slide fastener, which guides a seal member and said slide fastener stably and smoothly and which is capable of obtaining excellent airtightness and watertightness. A body of the slider has an upper wing and a lower ... | 09/23/2003 |
| 6611996 | Slider for reclosable fastener A slider for a reclosable fastener for plastic bags comprises a body. The body includes a top, a first side, a second side and a separation member on an underside of the top. The separation member is adapted to open and close the fastener. The first side ... | 09/02/2003 |
| 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 |
| 6554327 | Latch assembly for covered containers A latch assembly for securing a cover to a container comprises a base for mounting to the container cover adjacent to an edge thereof, a cover member secured to the base and a slider slidable between the base and cover member between a latched position wh... | 04/29/2003 |