US20060042051A1 - Strips of clips and clip - Google Patents
Strips of clips and clip Download PDFInfo
- Publication number
- US20060042051A1 US20060042051A1 US11/118,721 US11872105A US2006042051A1 US 20060042051 A1 US20060042051 A1 US 20060042051A1 US 11872105 A US11872105 A US 11872105A US 2006042051 A1 US2006042051 A1 US 2006042051A1
- Authority
- US
- United States
- Prior art keywords
- strip
- closure
- clips
- clip
- bag
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Abandoned
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
- B65D33/00—Details of, or accessories for, sacks or bags
- B65D33/16—End- or aperture-closing arrangements or devices
- B65D33/1616—Elements constricting the neck of the bag
- B65D33/1625—Small plates or the like made of one piece and presenting slits or a central aperture to jam the neck of the bag
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W90/00—Enabling technologies or technologies with a potential or indirect contribution to greenhouse gas [GHG] emissions mitigation
- Y02W90/10—Bio-packaging, e.g. packing containers made from renewable resources or bio-plastics
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T24/00—Buckles, buttons, clasps, etc.
- Y10T24/15—Bag fasteners
- Y10T24/155—Resilient slot bag tie
Abstract
A strip of bag clips are provided having individual clips each with a bag neck access opening joining a bag neck confining aperture within the clip. The bag neck access opening extends in a transverse direction relative to the length of the strip. Adjacent clips are joined together on adjacent sides via a central or medial and contiguously formed bridge portion defined by laterally formed slots. In one case, the clips are formed from a frangible material. In another case, the clips are formed from a flexible or resilient material. In a further case, the clips are formed from a biodegradable material.
Description
- This application claims priority from U.S. Provisional Patent Application Ser. No. 60/605,185, which was filed Aug. 27, 2004, and U.S. patent application Ser. No. 10/835,327, which was filed Apr. 28, 2004, and which are incorporated by reference herein.
- This invention pertains to clips and arrays of clips for closing the necks of flexible bags. More particularly, the present invention relates to clips and strips of clips capable of being formed from flat material which can be separated by severing a connection between adjacent clips in a strip, including substantially flat material that is not necessarily brittle or frangible and can also be constructed from biodegradable materials.
- It is previously known to form adjacent clips in a strip so that adjacent clips are attached together by way of narrow, frangible webs of relatively brittle material. Pursuant to U.S. Pat. Nos. 3,164,249; 3,164,250; 4,333,566; and 4,911,293, the clips are formed in strips that include such narrow, frangible webs of relatively brittle material. An individual clip is then either manually or machine manipulated so as to rotate and fracture a single clip from an adjacent clip in a strip, thereby breaking the webs of frangible material and separating an individual clip. However, such constructions are only suitable when clips are made from a relatively brittle, frangible material. Such clip construction is not suitable for use with relatively pliant and forgiving materials. Furthermore, the severing of individual clips in such manner can involve the production of stray chips of plastic or frangible material. These stray dips can be released by a random fracturing process which can contaminate food or other products within a bag, or can also cause malfunctioning of a clip-attaching mechanism. Furthermore, if the webs break in a relatively random manner and not in an intended manner, the webs can remain as sharp projections that protrude from the edge of a clip which can scratch or snag other products, or can scratch or snag the hands of a user or purchaser of the bag.
- U.S. Pat. No. 4,215,606 discloses an alternative construction that minimizes the length of breaking portions between individual clips in a strip. By making the breaking portions of a negligible longitudinal length, an effort is made to avoid the production of undesirable chips of frangible material or snagging projections which can produce the above undesirable results. However, such construction involves a relatively complicated technique using a punch and die anvil of shear tools in order to produce the appropriate clip configuration. Furthermore, the strip of clips is still constructed of a frangible material. Accordingly, such construction cannot appear to provide a construction suitable for use with non-frangible materials, such as biodegradable materials or flexible materials suitable for reuse.
- By way of example, U.S. Pat. No. 4,911,293 discloses a
prior art strip 10 of clips 12, such as clips 12 a-12 d, which are formed together and which are subsequently severed from one another by bending and fracturing a frangible web connection either by hand or by using a mechanical apparatus, such as one of the machines utilized in U.S. Pat. Nos. 3,163,969 and 3,163,972. As shown inFIG. 1 , each clip, such asclip 12 a, is provided with anaperture 14 that is accessed by abag receiving passage 16 to receive a bunched-up open mouth portion of a bag where it is retained therein so as to close the bag. A pair offront surfaces bag receiving passage 16. More particularly, a pair of tapered, convergingfingers bag receiving passage 16. - Clips, such as 12 a-12 d, in
strip 10 are held together with adjacent clips via pairs ofinternesting protrusions adjacent protrusions FIG. 1 . Physical manipulation of a single clip, such as clip 12, relative to a remaining portion ofstrip 10 causes severing of such segments betweenprotrusions projections aperture 14 to further ensure gripping of a bunched together mouth portion of a bag withinaperture 14 when a bag is held in such aperture. - The above-described techniques of bending and fracturing one or more frangible web connections will not work well on closure clips that are constructed of non-frangible materials, such as biodegradable materials and flexible or resilient materials. Accordingly, improvements are needed in light of the above-described deficiencies of the prior art presented herein.
- A strip of bag clips are provided having individual clips each with a bag neck access opening joining a bag neck confining aperture within the clip. The bag neck access opening extends in a transverse direction relative to the length of the strip. Adjacent clips are joined together on adjacent sides via a central or medial and contiguously formed bridge portion defined by laterally formed slots. In one case, the clips are formed from a frangible material. In another case, the clips are formed from a flexible or resilient material. In a further case, the clips are formed from a biodegradable material.
- According to one aspect, a closure clip unit is provided with a plurality of closure clips integrally formed in a strip of essentially flat material. Each closure clip has an aperture provided in the clip with an entrance to the aperture provided at a lateral edge of the strip, and a central tab integrally provided between each successive clip of the strip and a respective next adjacent one of the clips.
- According to another aspect, a strip of closure clips is provided having a plurality of closure clips integrally formed in a strip of biodegradable material.
- According to yet another aspect, a bag closure clip is provided with a closure body of thin, flexible biodegradable sheet material with a bag confining mouth and a narrow opening located in a longitudinal side edge and a contiguous web in a lateral side edge configured to be integrally formed with another closure clip in the form of a multi-closure strip.
- Preferred embodiments of the invention are described below with reference to the following accompanying drawings.
-
FIG. 1 is a side elevational view of a strip of clips according to a prior art construction; -
FIG. 2 is a perspective view of a roll of an elongated strip of dips according to one construction of the present invention; -
FIG. 3 is an enlarged, plan view of a strip of clips according to the present invention; -
FIG. 4 is a sectional view taken along lines 4-4 ofFIG. 3 . - This disclosure of the invention is submitted in furtherance of the constitutional purposes of the U.S. Patent Laws “to promote the progress of science and useful arts” (Article 1, Section 8).
- Reference will now be made to a preferred embodiment of Applicant's invention comprising a clip and a strip of clips for closing flexible bags. While the invention is described by way of a preferred embodiment, it is understood that the description is not intended to limit the invention to such embodiment, but is intended to cover alternatives, equivalents, and modifications which may be broader than the embodiment, but which are included within the scope of the appended claims.
- In an effort to prevent obscuring the invention at hand, only details germane to implementing the invention will be described in great detail, with presently understood peripheral details being incorporated by reference, as needed, as being presently understood in the art.
-
FIG. 2 illustrates astrip 110 ofindividual clips 112 according to one aspect of the present invention.Clips 112 are often referred to as closure clips. Eachclip 112 has acentral aperture 114 that communicates with a bag receiving passage, or aslit 116 that is provided in eachdip 112 so as to extend in a lateral direction relative tostrip 110. According to one construction,strip 110 is formed from a relatively flexible material such as polypropylene. An alternative resilient or flexible material comprises a high impact polyethylene. Further alternatively,strip 110 ofclips 112 can be formed from a biodegradable material such as paper, wax-impregnated paper, any of a number of wood fiber based products, biodegradable plastics, or other natural or biodegradable materials that break down when exposed to elements within the environment. Even further alternatively,strip 110 ofclips 112 can be formed from a relatively brittle, frangible material, as previously utilized within the prior art techniques presently known within the field. Further alternatively,strip 110 can be formed from wood or metal, such as steel, aluminum, or copper. - For the case where
strip 110 is formed from a ductile material such as copper, one benefit of the present invention can clearly be discerned because copper is not frangible under tactile manipulation. More particularly, prior art techniques for severing individual clips from a strip will not work with a ductile material such as copper. However, the use of the strips and clips described herein can be implemented even with ductile materials when the clips are cut or severed from a strip by way of an automatic clip-applying machine. Prior art techniques utilize an automatic clip-applying machine that used a pusher with a rounded tip to displace one clip relative to another and to cause fracture between interconnections on adjacent protrusions. Such technique will not work well with a ductile material, such as copper. - As shown in
FIG. 2 ,strip 110 can be stored as aroll 150 in order to facilitate dispensing ofindividual clips 112 fromstrip 110. For example, roll 150 can be incorporated into a rotary unwind apparatus of a clip dispensing machine that has opposed cutting edges that are driven together to co-act and severindividual clips 112 fromstrip 110 ofroll 150. -
FIG. 3 illustrates an enlarged detailed view of a selected portion ofstrip 110 showing a plurality of adjacently formed clips 112.FIG. 4 further illustrates such construction taken along section line 4-4 ofFIG. 3 . - As shown in
FIG. 3 ,strip 110 is formed from a single continuous piece of material, such as polypropylene or some other previously mentioned suitable material. One technique involves cuttingstrip 110 from a relatively thin sheet of material. Another technique involves stamping, machining, orlaser cutting strip 110 from a sheet of material. Other techniques involve cuttingstrip 110 between a pair of intermeshing rotary cutting dies. - In the forming process,
individual clips 112 are contiguously joined together by way of a narrowed strip, isthmus, orweb 152. Eachstrip 152 is provided along a central, or medial portion ofstrip 110, and a pair of laterally positionedslots strip 152, respectively. Accordingly,slots strip 152 as being a relatively narrow strip betweenadjacent clips 112, compared with a lateral width ofstrip 152. - Each clip has
aperture 114 cooperating with a respectivebag receiving passage 116 which is provided between a pair of opposedfront surfaces fingers passage 116 intoaperture 114 for receiving a bunched-up open neck portion of a flexible bag, such as a plastic bag. - As shown in
FIG. 4 ,individual clips 112 withinstrip 110 are shown with relatively narrowbag receiving passage 116 entering intoaperture 114. Likewise, the relative scale ofslots 156 are shown with respect to a selected one ofclips 112. - According to the construction depicted in
FIGS. 2-4 , it is understood that bag closure clips can be manufactured in a continuous strip and stored in a roll from non-frangible materials, such as biodegradable materials. Suitable biodegradable materials include paper, paper products, cardboard, and other traditional biodegradable materials. However, such a strip of closure clips can also be constructed from biodegradable plastics, such as biodegradable thermal plastics. Once such plastic is Polyactide (PLA), a biodegradable thermal plastic. Another material comprises Polyactic acid binder for joining together cellulose and other biodegradable materials. Even another material includes poly vinyl alcohol (PVOH). Even another material includes biodegradable polyester amide. An even further product includes a biodegradable polymer which is capable of being thermoformed. - According to the construction depicted in
FIGS. 2-4 , a plurality of closure clips are integrally formed in a strip with a central tab integrally provided between adjacent clips. According to one construction, the central tab has a width of at least about 10 percent of the width of the strip. In some cases, the central tab has a width from about 20 percent to about 30 percent of the width of the strip. In even further other cases, the strip has a width of greater than about seven percent of the width of the strip. Furthermore, some further desirable constructions provide a central tab with a width of about 25 percent of the width of the strip. - Construction of the central tab, or web, is configured to enable severing of clips from a strip using a pair of coacting cutting edges, such as cutting edges provided between a pair of complementary cutting dies. In contrast, prior art techniques utilize a finger that bends one clip relative to another in order to impart fracture of the frangible interconnecting webs provided between adjacent clips. The provision of such a central tab or web, which is configured to be cut between a pair of coacting cutting edges, enables the use of non-frangible materials, such as polypropylene, in constructing a strip of closure clips. Furthermore, such construction enables utilization of biodegradable material which tends to not be brittle or frangible, and which cannot be readily fractured using the prior art techniques discussed above. Accordingly, a strip of closure clips can be formed from a resilient plastic material, or from a contiguous sheet of biodegradable material.
- Furthermore, paper and paper products can be used to formulate such a strip of clips. For example, the provision of materials with a high content of wood fiber within paper or cardboard, along with an adhesive binder, enables the production of a fairly rigid strip of clips. Such strip of clips can be severed along the central connecting tab by a pair of coacting cutting edges by a clip cutting machine that is used to apply and sever clips from a strip during a bagging operation for products such as thermoformed articles, as well as food products.
- In compliance with the statute, the invention has been described in language more or less specific as to structural and methodical features. It is to be understood, however, that the invention is not limited to the specific features shown and described, since the means herein disclosed comprise preferred forms of putting the invention into effect. The invention is, therefore, claimed in any of its forms or modifications within the proper scope of the appended claims appropriately interpreted in accordance with the doctrine of equivalents.
Claims (28)
1. A closure clip unit, comprising:
a plurality of closure clips integrally formed in a strip of essentially flat material, an aperture provided in each clip with an entrance to the aperture provided at a lateral edge of the strip, and a central tab integrally provided between each successive clip of the strip and a respective next adjacent one of the clips.
2. The closure clip unit of claim 1 wherein the central tab comprises a contiguous medial web interposed between a pair of laterally positioned slots, one slot provided on each of a pair of opposed edges of the strip and positioned between adjacent closure clips.
3. The closure clip unit of claim 2 wherein the web has a width in the range of 20-30 percent of a width of the strip.
4. The closure clip unit of claim 3 wherein the plurality of closure clips are formed from a contiguous strip of resilient material.
5. The closure clip unit of claim 4 wherein the strip comprises a resilient plastic material.
6. The closure clip unit of claim 4 wherein the plurality of closure clips are formed from a contiguous sheet of biodegradable material.
7. The closure clip unit of claim 6 wherein the biodegradable material comprises a paper-based material.
8. The closure clip unit of claim 6 wherein the biodegradable material comprises a biodegradable polyethylene.
9. The closure clip unit of claim 8 wherein the biodegradable plastic comprises a biodegradable polyester amide.
10. A strip of closure clips, comprising:
a plurality of closure clips integrally formed in a strip of biodegradable material.
11. The strip of closure clips of claim 10 wherein each strip comprises an aperture with an entrance to the aperture provided at a lateral edge of the strip.
12. The strip of closure clips of claim 10 wherein at least one web is provided contiguously between adjacent ones of the clip.
13. The strip of closure clips of claim 12 further comprising a pair of slots provided laterally on opposed edges of the strip about the web.
14. The strip of closure clips of claim 10 wherein the strip of biodegradable material comprises paper.
15. The strip of closure clips of claim 10 wherein the strip of biodegradable material comprises a paper-based product.
16. The strip of closure clips of claim 10 wherein the strip of biodegradable material comprises a biodegradable plastic.
17. The strip of closure clips of claim 10 wherein the strip of biodegradable material is a strip of essentially flat material.
18. A bag closure clip, comprising:
a closure body of thin, flexible biodegradable sheet material with a bag confining mouth communicating with a longitudinal side edge and a contiguous web in a lateral side edge configured to be integrally formed with another closure clip in the form of a multiple-closure strip.
19. The bag closure clip of claim 18 wherein the closure body comprises a resilient material.
20. The bag closure clip of claim 19 wherein the closure body comprises a biodegradable plastic.
21. The bag closure clip of claim 18 wherein the closure body comprises paper.
22. The bag closure clip of claim 18 wherein the contiguous web comprises a non-frangible material.
23. The bag closure clip of claim 18 wherein the contiguous web is provided medially of the lateral side edge and an opposed lateral side edge of the closure body.
24. The bag closure clip of claim 18 wherein the contiguous web comprises a thin, wide strip having a lateral width less than a lateral width of the closure body.
25. The bag closure clip of claim 24 wherein the contiguous web has a lateral width of approximately 25 percent of a lateral width of the closure body.
26. The bag closure clip of claim 18 wherein the contiguous web comprises a bridge portion configured to be severed between a pair of coacting cutting edges.
27. The bag closure clip of claim 18 wherein the closure body further comprises a narrow opening formed by the bag confining mouth along the longitudinal side edge.
28. The bag closure clip of claim 18 wherein the closure comprises polypropylene.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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US11/118,721 US20060042051A1 (en) | 2004-08-27 | 2005-04-28 | Strips of clips and clip |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
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US60518504P | 2004-08-27 | 2004-08-27 | |
US11/118,721 US20060042051A1 (en) | 2004-08-27 | 2005-04-28 | Strips of clips and clip |
Publications (1)
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US20060042051A1 true US20060042051A1 (en) | 2006-03-02 |
Family
ID=35940935
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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US11/118,721 Abandoned US20060042051A1 (en) | 2004-08-27 | 2005-04-28 | Strips of clips and clip |
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Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070289252A1 (en) * | 2005-02-04 | 2007-12-20 | Poly-Clip System Corp. | Clip and clipper |
US20100018014A1 (en) * | 2008-07-23 | 2010-01-28 | Brian Boisclair | Messenger clamp |
US20100077570A1 (en) * | 2008-09-25 | 2010-04-01 | Poly-Clip System Gmbh & Co. Kg | Bioclip |
US20100122436A1 (en) * | 2007-05-28 | 2010-05-20 | Sakaru Takahashi | Closure and band of connected closures |
EP2476432A1 (en) | 2006-03-07 | 2012-07-18 | Vaxinnate Corporation | Compositions that include hemagglutinin, methods of making and methods of use thereof |
NL2019208B1 (en) * | 2017-07-10 | 2019-01-16 | Schutte Bagclosures B V | TAPE OF PLASTIC CLOSURES LINKED TO EACH OTHER |
USD871212S1 (en) | 2018-09-25 | 2019-12-31 | Klr Systems Inc. | Bag closure clip |
USD880296S1 (en) | 2018-09-25 | 2020-04-07 | Klr Systems Inc. | Bag closure clip |
US11198540B2 (en) * | 2018-09-25 | 2021-12-14 | Klr Systems Inc. | Bag closure clip |
EP4015841A1 (en) * | 2020-12-21 | 2022-06-22 | 3M Innovative Properties Company | Process for making a connecting element for the friction-increasing connection of components, and use of a connecting element |
WO2022269559A1 (en) * | 2021-06-24 | 2022-12-29 | Lander Wayne Anthony | Closure devices |
USD1005104S1 (en) * | 2019-09-27 | 2023-11-21 | Bedford Industries, Inc. | Closure roll |
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US20070289252A1 (en) * | 2005-02-04 | 2007-12-20 | Poly-Clip System Corp. | Clip and clipper |
US7565780B2 (en) * | 2005-02-04 | 2009-07-28 | Poly-Clip System Corp. | Clip and clipper |
EP2476432A1 (en) | 2006-03-07 | 2012-07-18 | Vaxinnate Corporation | Compositions that include hemagglutinin, methods of making and methods of use thereof |
EP3011969A1 (en) | 2006-03-07 | 2016-04-27 | Vaxinnate Corporation | Compositions that include hemagglutinin, methods of making and methods of use thereof |
US20100122436A1 (en) * | 2007-05-28 | 2010-05-20 | Sakaru Takahashi | Closure and band of connected closures |
US20100018014A1 (en) * | 2008-07-23 | 2010-01-28 | Brian Boisclair | Messenger clamp |
US20100077570A1 (en) * | 2008-09-25 | 2010-04-01 | Poly-Clip System Gmbh & Co. Kg | Bioclip |
DE102008048858A1 (en) * | 2008-09-25 | 2010-04-08 | Poly-Clip System Gmbh & Co Kg | Bioclip |
NL2019208B1 (en) * | 2017-07-10 | 2019-01-16 | Schutte Bagclosures B V | TAPE OF PLASTIC CLOSURES LINKED TO EACH OTHER |
WO2019013624A1 (en) * | 2017-07-10 | 2019-01-17 | Schutte Bagclosures B.V. | Strip of flat closures made of plastic foam that are coupled together |
AU2018301157B2 (en) * | 2017-07-10 | 2022-10-13 | Schutte Bagclosures B.V. | Strip of flat closures made of plastic foam that are coupled together |
USD871212S1 (en) | 2018-09-25 | 2019-12-31 | Klr Systems Inc. | Bag closure clip |
USD880296S1 (en) | 2018-09-25 | 2020-04-07 | Klr Systems Inc. | Bag closure clip |
US11198540B2 (en) * | 2018-09-25 | 2021-12-14 | Klr Systems Inc. | Bag closure clip |
USD1005104S1 (en) * | 2019-09-27 | 2023-11-21 | Bedford Industries, Inc. | Closure roll |
EP4015841A1 (en) * | 2020-12-21 | 2022-06-22 | 3M Innovative Properties Company | Process for making a connecting element for the friction-increasing connection of components, and use of a connecting element |
WO2022137095A1 (en) * | 2020-12-21 | 2022-06-30 | 3M Innovative Properties Company | Process for making a connecting element for the friction-increasing connection of components, and use of a connecting element |
WO2022269559A1 (en) * | 2021-06-24 | 2022-12-29 | Lander Wayne Anthony | Closure devices |
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