US3198228A - Integral reclosable bag - Google Patents

Integral reclosable bag Download PDF

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Publication number
US3198228A
US3198228A US233959A US23395962A US3198228A US 3198228 A US3198228 A US 3198228A US 233959 A US233959 A US 233959A US 23395962 A US23395962 A US 23395962A US 3198228 A US3198228 A US 3198228A
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US
United States
Prior art keywords
rib
bag
elements
female
walls
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Expired - Lifetime
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US233959A
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English (en)
Inventor
Naito Kakuji
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SEISAN NIHON SHA KK
Seisan Nipponsha KK
Original Assignee
Seisan Nipponsha KK
Priority date (The priority date 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 date listed.)
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US case filed in International Trade Commission litigation Critical https://portal.unifiedpatents.com/litigation/International%20Trade%20Commission/case/337-TA-022 Source: International Trade Commission Jurisdiction: International Trade Commission "Unified Patents Litigation Data" by Unified Patents is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Seisan Nipponsha KK filed Critical Seisan Nipponsha KK
Application granted granted Critical
Publication of US3198228A publication Critical patent/US3198228A/en
Priority to US05/618,165 priority Critical patent/USRE28969E/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • B65D33/25—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners
    • B65D33/2508—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners using slide fasteners with interlocking members having a substantially uniform section throughout the length of the fastener; Sliders therefor
    • B65D33/2541—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners using slide fasteners with interlocking members having a substantially uniform section throughout the length of the fastener; Sliders therefor characterised by the slide fastener, e.g. adapted to interlock with a sheet between the interlocking members having sections of particular shape
    • 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
    • B65D33/24—End- or aperture-closing arrangements or devices using self-locking integral or attached closure elements, e.g. flaps
    • 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
    • B65D33/25—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners
    • B65D33/2508—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners using slide fasteners with interlocking members having a substantially uniform section throughout the length of the fastener; Sliders therefor
    • B65D33/2516—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners using slide fasteners with interlocking members having a substantially uniform section throughout the length of the fastener; Sliders therefor comprising tamper-indicating means, e.g. located within the fastener
    • B65D33/2533—Riveting; Dovetailing; Screwing; using press buttons or slide fasteners using slide fasteners with interlocking members having a substantially uniform section throughout the length of the fastener; Sliders therefor comprising tamper-indicating means, e.g. located within the fastener the slide fastener being located between the product compartment and the tamper indicating means
    • A—HUMAN NECESSITIES
    • A44—HABERDASHERY; JEWELLERY
    • A44B—BUTTONS, PINS, BUCKLES, SLIDE FASTENERS, OR THE LIKE
    • A44B19/00—Slide fasteners
    • A44B19/10—Slide fasteners with a one-piece interlocking member on each stringer tape
    • A44B19/16—Interlocking member having uniform section throughout the length of the stringer
    • 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
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S24/00—Buckles, buttons, clasps
    • Y10S24/30—Separable-fastener or required component thereof
    • Y10S24/50—Separable-fastener or required component thereof including member having elongated, resilient, interlocking face with identical, parallel cross-sections throughout its length

Definitions

  • This invention relates to a synthetic resin film-made bag material compositely comprising occludent means. Farticularly this invention relates to an improvement in such occludent means.
  • this invention is concerned with an improvement in a synthetic resinous film-made bag a compositely comprising occludent means consisting of a male rib and a female rib placed integrally inside the bag material, the means being such that it is ready for engagement between the male and female ribs by pressing them with fingers, has a sufficient strength to retain the contents safely Within the limits of the strength of the bag film, and is also ready for disengagement by pulling with fingers.
  • the female rib which is provided compositely with a bag material is made of the same synthetic resin as said material, and has a cross section of circular, elliptic or polygonal shape.
  • the male rib has an axial body, the top of which is arrowhead-shaped in cross section and the width is a little greater than the opening of the female rib.
  • the top of the male rib as well as that of the female rib is made moderately round, and the individual parts of both of the male and female ribs are arranged to have such thickness that they provide a fastening strength, when the male and female ribs are engaged, consistent with the strength of the bag film.
  • the bag material is provided with a strength which is less than the force required to open the bag occludent means from internally of the bag due to the pulling force applied to the bag Walls resulting from falling, tumbling or shock.
  • the force required to internally open the occludent means of the bag is about five times greater than the force required to externally open the occludent means. Accordingly, the bag is readily opened to have contents loaded therein, and after closing the bag, it will always remain closed with resistance against said internal force at least until the bag film is broken.
  • FIGURE 1 is a perspective view showing a cylindrical film provided with occludent means of the present invention
  • FIGURE 2 is a plan showing a bag material in which the occludent means of FIGURE 1 is interlocked;
  • FIGURE 3 is a perspective view showing a planar film provided with occludent means
  • FIGURE 4 is a side elevation showing the occludent means of FIGURE 3 where they are interlocked;
  • FIGURE 5 is a perspective view showing a planar film provided with occludent means at both ends;
  • FIGURE 6 is a perspective view showing the interlocking state of the occludent means of FIGURE 5;
  • FIGURE 7 is a perspective view showing a film with occludent means where the film is processed by cutting;
  • FIGURE 8 is an explanatory sectional view showing the opening and closing of a bag of this invention and also showing forces applied to the occludent means;
  • FIGURE 9 is an enlarged sectional view showing the male and female parts of the occludent means of the present invention.
  • FIGURE 10 is a sectional view showing one modification in the male part of FIGURE 9.
  • FIGURE 11 is a sectional view showing another modification in the femalepart of FIGURE 9.
  • FIGURE 1 which concerns a synthetic resinous film-made bag material of cylindrical shape
  • a female rib A and a male rib B (which also may be termed a groove element A and a rib element B respectively) for the occludent means are provided compositely inside the cylindrical bag material Sill.
  • FIGURE 3 FIGURE 5 and FIG- URE 7, these female and male ribs are provided compositely on one surface of this film.
  • FIGURE 2 FIG: URE 4 and FIGURE 6 show the folded state of the bag material of FIGURE 1, FIGURE 3 and FIGURE 5 respectively.
  • the engagement of the female and male ribs in the occludent means is shown in FIGURE 8.
  • the female rib A and the male rib B usually are pressed with fingers at the positions 315 and 314 respectively from both exterior sides of the bag whereupon both edges 3%, 395 of the male rib B come into contact with the hooks 3%, 307 of the female rib A.
  • the extremities of the hooks 3%, 307 are flexed slightly, while the female rib body is forced open in the outward direction.
  • the edges 3%, 3&5 of the male rib B (FIGURE 9) are flexed and they advance until the edges are caught by the hooks or extremities 3G6 and 397 of the female rib A.
  • the axial part 3&8 of the male rib is inserted into the space 3% between the hooks Fail-6, 307 of the female rib and thereafter these hooks are returned to their original positions to insure tightening closely.
  • this means is pressed at its one end 382 of the bag material between fingers, and then while effecting pressing, it is squeezed between fingers along the longitudinal direction, whereby overall parts of the male and female ribs of the occludent means are engaged by insertion in one another.
  • Such engagement is effected for holding a material within the synthetic resinous film-made bag or sealing the bag containing the material therein. Because of a variety of materials to be held, however, a film which has a suitable strength to keep the material safe should be selected. In order for accomplishing the intended purpose, such an engagement strength which is necessary and sufficient for the occludent means of the invention is required in the correlation to the strength of the bag film.
  • the strength of such synthetic resinous film may concern with tensile strength, elongation, tear strength, pressure resistance, impact strength, etc, and as a resul of experiment relating to the strength of polyethylene film customarily used as wrapping, the data are set forth in the following table.
  • the data of this table indicate that the strength of a bag film, if processing conditions for the film are proper, will be in proportion to the thickness of the said film.
  • interlocking strength of the occludent means will be explained in relation to the strength of the film.
  • interlocking strength may be considered as being concernable with the following components:
  • Engagement strength of the occludent means which is to be greater than an ultimate strength at which a bag film is broken when the contents of a bag are subjected to external pressure, tumbling, impact, etc., said contents being enclosed in the bag by fastening the occludent means.
  • Insertion drag which is to be in such a degree that it permits complete insertion of the male rib into the female one when pressure for the engagement is applied along a line from one end to another by pressing with fingers.
  • a force for opening or the strength between the male and female ribs of the occludent means may suitably be from 200 g. to 800 g. (maximum load before the release). This means that even a film having the thickness of 0.03 mm. can be satisfactorily used in the present invention because this film has a film strength of 1000 g. as shown in the preceding table.
  • the occludent means should have an interlocking strength (I) necessary and sufficient for safely holding the contents of said bag: this occludent means should have an insertion drag and a disengagement resistance both of which are necessary but minimum power for engagement and opening respectively; and the occludent means, as long as it has a required strength, should be of minimum size and weight.
  • I interlocking strength
  • the resistance of the occludent means against separation should be equal to or slightly higher than the tensile strength of the film concerned.
  • I designated (I) 2000 g. (11) 400 g. and (III) 400 g. as the suitable components of an interlocking strength for customarily used polyethylene wrapping film having a thickness of 0.05 mm. and a tensile strength of 1600 g.
  • the male and female ribs of the occludent means had a weight of 1.2 g. per 1 m. long, and when the occludent means was fastened, the clearance between the outer side 315 of the female rib A and that 314 of the male rib B (FIGURE 9) was about 1.14 mm.
  • the male rib B of this occludent means was designated as follows: Based on the axial cener line 316, the outward inclinations (b and a) of the edges 30 305 was about to the inward inclination (c) of the edge 3ll5a about to and the inward inclination (cl) of the edge 3534:; about to The width of the stem 305 of the male rib B is about 5/15 mm. and the edges 304-, 395 are about 10/15 mm. wide. The distance from the edge 305 to the top 303 was about 6/15 mm. and that from the outer side 314 of the male rib B to the top of the arrowhead-shaped part is about 13/15 mm.
  • Lines 3 34 and 305 are drawn along the surfaces of the male rib.
  • the point at which lines 3&4 and 305 intersect is spaced from the edge point 3% by 3/15 mm.
  • the female rib A was shaped in cup form which had two hooks inside. One 306 of these hooks was inwardly fiexed at the position 310 and the other 3d? was at the position 311.
  • the inclinations of these books to the female rib body were determined so as to correspond to each angle a, b, c and d of the male rib B.
  • the thickness of the female rib body confined between the curved inner side 3112 and the outer side 313 is about 3.3/15 mm.
  • the clearance 30% of the inwardly flexed books 306, 30"] was 7/15
  • the positions 310, 311 at which the hooks of both sides were flexed were apart from the bottom of the cup by 8/15 mm.
  • the clearance between the outer part 314 of the male rib B and that 315 of the female rib A was about 17/15 mm.
  • (I) and (III) as mentioned hereinbefore may be equalized to the interior and exterior tensile strength respectively which may be expressed in the maximum load required for the separation between the edge of the male rib B and the book 3% of the female rib A as well as between the edge of the male rib B and the hook 307 of the female rib A by their individual elongation inresponse to the load which results by pulling two sheets of the films in the opposite direction as shown in FIGURE 8.
  • No. 1 occludent means having a weight of 0.6 g./m. can be combined for No. 1 film having a thickness of 0.03 mm.
  • the occludent means can provide a necessary and sufficiently strength and a minimum weight for the film having a specific thickness, and in this case it can be confirmed that with respect to the strength of the occludent means the ratio between the exterior one and the interior one is about 1:5.
  • female ribs for example, into elliptic or polygonal shape, or in angle and length of any parts of male or female ribs in response to the specific gravity, stiffness (or softness), mechanical strength, etc. of films used.
  • supporting rails 317, 317 may be provided at both sides of male ribs in order to support the ribs.
  • foot parts which can be inclined left and right to increase mechanical rength between the outer bottom part of female rib and the main body of film. It is also possible to design female ribs in rail shape 318, 3158 in which the male rib can be sustained (FIGURE 11).
  • the female rib A has a stem or neck 32% conn cting the jaws 312 and 313 to the supporting wall 323 with a thickened portion 323 forming part of the neck.
  • the thickened portions 323 and 326 are illustrated only in the enlarged detail of the ribs, FIG- URES 8ll, and are omitted for ease of illustration in FEGURES 1-7.
  • the width W of this neck is less than the overall width W of the jaws but greater than the thickness T of the supporting wall at the sides of the rib.
  • the neck 320 of the thickness W shown does not bend so that a neck would not be necessary but if the neck or base 324 were too broad bending would occur too far from the axial center 322 of the rib A increasing the moment arm and increasing the tendency of bending to separate the male and female ribs. Bending will occur at the edges 324 and 325 of the thickened portion 323 at the base of the female rib A, and these locations 324 and 325 are within the outer limits the width W) of the rib A.
  • the thickened portions 323 and 326 do not merely reinforce the bag wall but establish a bending location preventing distorting stresses from occurring in the ribs A and B when they bend relative to the bag walls and this portion also holds the ribs A and B at right angles to the walls at the time the plastic is eX- truded, since they will tend to bend when the plastic is still soft.
  • the ribs A and B are at right angles to these supporting walls for ease of joining and improved holding.
  • the bag body 328 has flexible walls 329 and 33% formed of a plastic film.
  • the bag body 323 has an opening therein closable by releasably interlocking rib and groove elements B and A which are integral with the walls 32* and 330 and formed of the resilient material of the walls.
  • the rib and groove elements B and A are separable by drawing the elements apart and interlockable by pressing the elements together by the application of forces indicated generally by the arrows 335 and 336.
  • the bag has external flanges 331 and 332 on the upper exposed edges of the walls 329 and 330 which may be gripped and drawn apart to separate the elements by the application of forces laterally outwardly indicated somewhat generally by the arrowed lines 339 and 340.
  • the contents of the bag acting outwardly on the walls 329 and 33d also tend to apply a separating force to the rib and groove elements B and A indicated generally by the arrowed lines 337 and 338.
  • the external flanges 331 and 332 may be initially on the bag top as shown in FIGURES 6, or the flanges may be initially interconnected by a doubled portion 301a, FIG- URE 4. Tear lines of weakened resistance 301i) and Milc located at the upper edge of the flanges 331i and 332 interconnect the flanges with the doubled portion.
  • the doubled portion can be turnoff to expose the flanges for gripping.
  • the rib element B is arrowhead shaped.
  • the groove element is provided with a groove 312 to receive the arrowhead and may in one form have side hook members 310 and 311. 0n the side hook members are engaging surfaces 333 and 334.
  • the arrowhead shaped rib element also has engaging surfaces Zltl la and StlSa which are on the base of the rib element.
  • the engaging surfaces of the groove element A and of the rib element 13 provide interengaging surfaces when the rib and groove elements are interlocked as indicated in FIGURE 8 and forces tend to separate the elements.
  • the rib element has engaging surface Edda which extends upwardly toward the outside of the bag, and has engaging lower surface 3tl5a which extends downwardly toward the inside of the bag.
  • Edda which extends upwardly toward the outside of the bag
  • 3tl5a which extends downwardly toward the inside of the bag.
  • These structural features include providing the upper engaging surface 334a of the rib element B shorter than the lower engaging surface 3ll5a. Also, the angle at between the center line 316 of the stem 303 of the rib element B and the surface 304a is larger than the angle 0 between the stem center line 316 and the lower engaging surface 3li5a.
  • the angle d between the center line 316 and the upper surface 3554a is preferably in the range of 80 to 90 while the angle 0 between the center line Elle and the lower surface M950 is preferably in the range of to
  • the engaging surfaces 333 and 33d of the groove element have the same, or a complementary angle, to the surfaces 345441 and 3t'l5a respectively of the rib element.
  • the engaging surface 334 is at an angle 0' with the axial center 32 2 (which is shown coincident with the center line 316 of the stem).
  • the engaging surface 333 is at angle at with the center line 322.
  • the angle d is greater than the angle c.
  • the groove element in one form has hook members 310 and 311 with the hook member Fill carrying the lower engaging surface 334 being longer than the hook member 310 carrying the upper engaging surface 333.
  • a reclosable flexible container comprising,
  • a bag body having flexible walls formed of a plastic film having an opening therein
  • rib element arrowhead shaped with the rib and groove elements having interengaging upper surfaces extending toward the outside of the bag and interengaging lower surfaces extending toward the inside of the bag with the upper engaging surface of the rib element being shorter than the lower engaging surface of the rib element so that the bag opens relatively easily from the outside and resists opening from the inside, said rib element surfaces being on the base of the arrowhead shaped rib element.
  • a reclosable flexible container comprising,
  • a bag body having flexible walls formed of a plastic film having an opening therein
  • said rib element being arrowhead shaped with the rib and groove elements having interengaging upper surfaces extending toward the outside of the bag and interengaging lower surfaces extending toward the inside of the bag with the angle between the center line of the stem of the arrowhead and the upper engaging arrowhead surface being larger than the angle between the stern center line and the lower engaging arrowhead surface so that the bag opens relatively easily from the outside and resists opening from the inside.
  • a reclosable flexible container in accordance with claim 2 wherein said angle between the center line of the stern of the arrowhead and said upper arrowhead engaging surface lies within the range of 80 to 90 and the angle between the stem center line and the lower arrowhead engaging surface lies in the range of 55 to 65.
  • a reclosable flexible container comprising,
  • a bag body having flexible walls formed of a plastic film having an opening therein, releasably interlocking rib and groove elements integrally part of the walls on facing inner surfaces thereof formed of a resilient material and separable by drawing the elements apart and interlockable by pressing the elements together, external flanges on the upper exposed edges of said walls which may be gripped and drawn apart to separate said elements,
  • said rib element being arrowhead shaped with the rib and groove elements having interengaging upper surfaces extending toward the outside of the bag and interengaging lower surfaces extending toward the inside of the bag with the upper engaging surface of the rib eleinent being shorter than the lower engaging rf f the rib element and with the engaging surfaces of the groove element having the same angle as the engaging surfaces of the rib element so that the bag opens relatively easily from the outside and resists opening from the inside, said rib element surfaces being on the base of the arrowhead shaped rib element.
  • a reclosable flexible container comprising,
  • a bag body having flexible walls formed of a plastic film with an upwardly facing opening, releasably interlocking rib and groove elements integrally part of the walls on facing inner surfaces thereof formed of a resilient material and separable by applying a force directly to the walls drawing the elements apart and interlockable by pressing the elements together, and external flange means on the upper exposed edges of said walls which may be gripped and drawn apart to separate said elements,
  • said rib element being arrowhead shaped with the rib and groove elements having interengaging upper surfaces extending toward the outside of the bag and interengaging lower surfaces extending toward the inside of the bag,
  • said groove element having side hook members carrying the engaging surfaces of the groove element with the hook member carrying the lower surface of the groove element being longer than the book member carrying the upper surface of the groove element so that the bag opens relatively easily from the outside and resists opening from the inside.
  • a reclosable flexible container comprising, a bag body having flexible walls formed of a plastic film, releasably interlocking rib and groove elements integrally part of the walls on facing inner surface-s thereof formed of a resilient material and separable by drawing the elements apart and interlockable by pressing the elements together,
  • said external flanges being interconnected by a doubled portion with tear lines of weakened resistance at the upper edges of the flanges so that said doubled portion can be torn off to leave the flanges exposed and separated
  • said rib element being arrowhead shaped with the rib and groove elements having interengaging upper surfaces extending toward the outside of the bag and intercngaging lower surfaces extending toward the inside of the bag with the upper engaging surface of the rib element being shorter than the lower engaging surface of the .rib element so that the bag opens relatively easily from the outside and resists opening from the inside, said rib element surfaces being on the base of the arrowhead shaped rib element.
  • a reclosable flexible container comprising, a bag body having flexible walls formed of a plastic film having an opening therein,
  • said rib element being arrowhead shaped with the rib and groove elements having interengaging upper surfaces extending toward the outside of the bag and interengaging lower surfaces extending toward the inside of the bag with the angle between the center line of the rib and groove elements and the upper engaging groove element surface being larger than the angle between the center line of the rib and groove elements and the lower engaging surface of the groove element so that the bag opens relatively easily from the outside and resists opening from the inside.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Bag Frames (AREA)
  • Making Paper Articles (AREA)
  • Containers Having Bodies Formed In One Piece (AREA)
  • Slide Fasteners (AREA)
US233959A 1961-11-27 1962-10-29 Integral reclosable bag Expired - Lifetime US3198228A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US05/618,165 USRE28969E (en) 1961-11-27 1975-09-30 Integral reclosable bag

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4216761 1961-11-27

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US05/618,165 Reissue USRE28969E (en) 1961-11-27 1975-09-30 Integral reclosable bag

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US3198228A true US3198228A (en) 1965-08-03

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US233959A Expired - Lifetime US3198228A (en) 1961-11-27 1962-10-29 Integral reclosable bag

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US (1) US3198228A (xx)
AT (1) AT248947B (xx)
CH (1) CH376424A (xx)
DE (3) DE1704146C3 (xx)
DK (1) DK103380C (xx)
ES (1) ES279517A1 (xx)
FI (1) FI46244C (xx)
GB (1) GB994307A (xx)
LU (1) LU41981A1 (xx)
NL (1) NL145188B (xx)
OA (1) OA00478A (xx)

Cited By (118)

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US3326399A (en) * 1965-03-10 1967-06-20 Ausnit Steven Magnetic plastic fastener and method of making same
US3371696A (en) * 1965-10-22 1968-03-05 Ausnit Steven Reclosable bags with rib and groove elements formed of different materials
US3372442A (en) * 1965-09-18 1968-03-12 High Polymer Chemical Ind Ltd Synthetic resin fastener
US3380481A (en) * 1962-03-02 1968-04-30 Minigrip Inc Closed tube with fastener members
US3389733A (en) * 1965-07-07 1968-06-25 Asf Gleitverschulss G M B H Flexible container of plastic material
US3402749A (en) * 1967-03-10 1968-09-24 Minigrip Inc Plastic film shopping bag
US3410327A (en) * 1966-04-06 1968-11-12 Ausnit Steven Container having reverse profile unidirectional fastener
US3416199A (en) * 1965-06-10 1968-12-17 Minigrip Inc Seal for bags
US3416585A (en) * 1965-10-24 1968-12-17 Minigrip Inc Flexible container having interlocking rib and groover closure elements
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US3543379A (en) * 1967-08-22 1970-12-01 Kakuji Naito Apparatus for manufacturing plastic tubing for reclosable bags
US3565147A (en) * 1968-11-27 1971-02-23 Steven Ausnit Plastic bag having reinforced closure
US3619395A (en) * 1969-04-17 1971-11-09 Minigrip Inc Method of making a pilfer proof package
US3633642A (en) * 1968-11-08 1972-01-11 Karlheinz Siegel Bag of plastics material sheeting
US3780781A (en) * 1971-09-07 1973-12-25 Seisan Nipponsha Kk Openable bag
US3815317A (en) * 1973-03-08 1974-06-11 F Toss Method and mechanism for making filled bags
US3827472A (en) * 1969-12-05 1974-08-06 Seisan Nipponsha Kk Reclosable bag
US3918131A (en) * 1974-01-07 1975-11-11 Steven Ausnit Fluid-tight fastener
DE2603085A1 (de) * 1975-01-30 1976-08-05 Colgate Palmolive Co Behaelter fuer feuchte tuecher
USRE28959E (en) * 1967-08-22 1976-09-14 Apparatus and method for manufacturing tubing for reclosable bags
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Also Published As

Publication number Publication date
DK103380C (da) 1965-12-20
CH376424A (fr) 1964-03-31
ES279517A1 (es) 1963-01-16
GB994307A (en) 1965-06-02
FI46244B (xx) 1972-10-31
AT248947B (de) 1966-08-25
OA00478A (fr) 1966-07-15
NL145188B (nl) 1975-03-17
FI46244C (fi) 1973-02-12
DE1984299U (de) 1968-04-25
DE1704146C3 (de) 1973-09-20
DE1877436U (de) 1963-08-08
DE1704146A1 (de) 1972-03-23
LU41981A1 (xx) 1964-01-02
DE1704146B2 (de) 1973-03-01

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