US3529750A - Security closure mechanism with knife means for releasing closure - Google Patents

Security closure mechanism with knife means for releasing closure Download PDF

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Publication number
US3529750A
US3529750A US766146A US3529750DA US3529750A US 3529750 A US3529750 A US 3529750A US 766146 A US766146 A US 766146A US 3529750D A US3529750D A US 3529750DA US 3529750 A US3529750 A US 3529750A
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United States
Prior art keywords
closure
insert member
container
closure mechanism
security
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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.)
Expired - Lifetime
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US766146A
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English (en)
Inventor
Manfred Baumann
Alois Stahli
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BAUMANN AG
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BAUMANN AG
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Filing date
Publication date
Priority claimed from CH1422567A external-priority patent/CH480239A/de
Application filed by BAUMANN AG filed Critical BAUMANN AG
Priority claimed from CH1422667A external-priority patent/CH476610A/de
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Publication of US3529750A publication Critical patent/US3529750A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
    • B65D47/10—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having frangible closures
    • B65D47/106—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages having frangible closures with devices for removing frangible parts of the pouring element or of its closure
    • 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
    • B65D41/00—Caps, e.g. crown caps or crown seals, i.e. members having parts arranged for engagement with the external periphery of a neck or wall defining a pouring opening or discharge aperture; Protective cap-like covers for closure members, e.g. decorative covers of metal foil or paper
    • B65D41/32—Caps or cap-like covers with lines of weakness, tearing-strips, tags, or like opening or removal devices, e.g. to facilitate formation of pouring openings
    • B65D41/50—Caps or cap-like covers with membranes, e.g. arranged to be pierced
    • 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
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/04—Closures with discharging devices other than pumps
    • B65D47/06—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages
    • B65D47/061—Closures with discharging devices other than pumps with pouring spouts or tubes; with discharge nozzles or passages with telescopic, retractable or reversible spouts, tubes or nozzles
    • 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
    • B65D47/00—Closures with filling and discharging, or with discharging, devices
    • B65D47/36—Closures with frangible parts adapted to be pierced, torn or removed, to provide discharge openings
    • B65D47/38—Closures with frangible parts adapted to be pierced, torn or removed, to provide discharge openings with piercing means arranged to act subsequently as a valve to control the opening

Definitions

  • Such security closure mechanism comprises an insert member adapted to be secured to the wall of the container, and a closure cover member secured to the insert member.
  • the insert member and the closure cover member are arranged in such a way that the closure cover member is rotatably anchored at the insert member.
  • One of these members is provided with at least one knife means and, furthermore, one of such members possesses a weakened portion penetrated by such knife means in such a way that upon rotation of the closure cover member the weakened portion can be severed, whereby the closure cover member is detached from the insert member.
  • the present invention broadly relates to an improved security or safety closure mechanism having filling connection means for the material dispensing or discharge opening of a container or the like, and in its more specific aspect, relates to a security closure mechanism incorporating an insert member secured in a wall of the container and a closure cover member secured to the insert member.
  • the package container possess a material dispensing or discharge opening which is equipped with a security closure mechanism which prevents someone from opening the container for the first time without being detected.
  • a security closure mechanism provides the guarantee that upon the initial opening of the container the contents still possess the original quantity and the original quality.
  • Another, more specific object of the present invention relates to an improved security closure mechanism which,
  • Still a further object of the present invention is to provide an improved security closure mechanism which, in closed condition, only slightly protrudes out of the container or the like, and wherein the material discharge opening is constructed in such a fashion that the contents of the container can be easily dispensed and without dripping, and wherein the material dispensing or pouring operation can be undertaken without being hindered by the container itself.
  • the inventive security closure mechanism is generally manifested by the features that the insert member as well as the closure cover member each possess a respective substantially ring-shaped marginal portion arranged about the axis of the closure opening and which are disposed in such a fashion with respect to one another that the closure cover member can be rotatably anchored at the insert member. Moreover, one of both members is provided with at least one knife means at the region of the marginal portion which pierces a weakened portion of the other member such that upon rotating the closure cover member the marginal portion can be severed, and consequently, the closure cover member can be freed or released.
  • a pouring cylinder is arranged in the insert member. This pouring cylinder extends into the container during such time as the closure mechanism is not yet opened, and furthermore, such pouring cylinder member is covered by the closure cover member. Upon release of the closure cover member this pouring cylinder member can be pulled out and mounted in its operational pouring position.
  • FIG. 1 is a sectional view of a first embodiment of inventive security closure mechanism as such is mounted at a container or the like;
  • FIG. 2 is a further embodiment of inventive security closure mechanism
  • FIGS. 3, 4 and 5 are respective fragmentary sectional views of different arrangements for attaching the closure cover member with the insert member of the inventive security closure mechanism, and wherein in each instance the knife means is operably connected with the closure cover member;
  • FIGS. 6, 7 and 8 also depict different fragmentary sectional views of respective modified versions of the security closure mechanism, specifically showing the arrangement of the knife means at the closure cover membet with respect to the insert member;
  • FIGS. 9, 10, 11 and 12 illustrate in fragmentary sectional view further modifications of the security closure mechanism, wherein in this instance the knife means is arranged at the respective insert member of each such figure, and further illustrates possible spatial arrangements of such knife means with respect to the closure cover member and insert member of each respective security closure mechanism;
  • FIG. 13 is a sectional view showing a detail of the weakened portion of the insert member or the closure cover member, and wherein such weakened portion can be constituted by a plurality of thin rib members;
  • FIG. 14 is a fragmentary sectional view of a further type of security closure mechanism in which the material discharge opening at the insert member is closed by a membrane having a weakened portion which is pierced by the knife means and includes a further portion for receiving such knife means;
  • FIG. 15 depicts the security closure mechanism of FIG. 1 wherein the closure cover member is rotatably connected with the container by means of a loop or the like;
  • FIG. 16 shows a security closure mechanism of the type shown in FIG. 14 which is covered by a protective cover member secured at a loop member;
  • FIG. 17 depicts in sectional view a further type of security closure mechanism having a pouring cylinder, wherein the right-hand portion of such figure depicts the closure mechanism in its closed position and the left-hand portion illustrates the pouring cylinder in its operational pouring position after the closure mechanism has been opened;
  • FIG. 18 shows in sectional view another type of security closure mechanism incorporating a pouring cylinder and in a condition where the security closure mechanism has not yet been opened
  • FIG. 19 finally shows a further modification of inventive security closure mechanism utilizing a pouring cylinder, wherein the right-hand portion of such figure shows the pouring cylinder in a position when the closure mechanism has not yet been opened, and the left-hand portion shows such pouring cylinder in the position it would as sume after the closure mechanism is opened and the pouring cylinder is arranged to carry out the pouring operation.
  • FIG. 1 the front end cover or wall 1 of a container 100' or the like has been shown.
  • An opening 1a is provided at the container cover or wall 1, and the marginal edge 2 providing such opening 1a is inwardly flexed or bent, as shown.
  • An insert member 3 is introduced into this opening 1a.
  • This insert member 3 snugly fits in the opening 1a formed by the bent marginal edge 2.
  • the flexed marginal edge 2 is capable of faultlessly retaining the insert member 3, particularly if such insert member 3 is formed of a suitable plastic.
  • insert member 3 At the side of the insert member 3 facing away from the marginal edge 2 such insert member 3 incorporates a cylindrical portion 4 which merges into a rather sharp edge or border 5 serving as the pouring means.
  • a marginal portion 6 is formed between the insert member 3 and the cylindrical portion 4 thereof.
  • This marginal portion 6 incorporates a substantially ring-shaped portion 7 of lesser Wall thickness as well as a substantially collar-shaped marginal head or flange 8.
  • closure cover member 9 consisting of an inner cylindrical portion 10 which fits into the cylindrical portion 4 of the insert member 3 and which forms the actual closure cover.
  • the outer cylindrical portion 11 of this closure cover member 9 which advantageously can possess a quadrangular or square configuration in order to improve the gripping action, possesses at its lower edge a marginal bead or flange 12 which runs out into a point or taper which engages beneath the collar-shaped marginal bead portion 8 and is fixedly retained in this position.
  • the safety closure mechanism can only be opened by rotating the closure cover member 9.
  • the knife means 13 cut away from the marginal edge or portion 6 the outer part having the substantially collar-shaped marginal head or flange 8.
  • the closure cover member 9 can be removed without difliculty.
  • the sealing action which is desired is attained by the cylindrical portion 10 of the closure cover member 9.
  • FIG. 2 here there is shown a further embodiment of inventive safety or security closure mechanism.
  • the cover or end wall 1 of the container likewise possesses an opening 1a defined by the marginal edge 2.
  • the marginal edge 2 is upwardly flexed.
  • a submerged or recessed portion 14 which is provided at the container wall or cover 1.
  • the insert member 3 consists of a cylindrical portion 3a at which there is formed a flange 15.
  • the cylindrical portion 3a of the insert member 3 engages with the opening 1a of the container cover or wall 1 and is fixedly retained by the edge or apex 2a existing between the marginal edge 2 and the submerged cover portion 14.
  • the aforementioned flange 15 possesses a substantially ring-shaped portion 17 possessing a smaller wall thickness than the remainder of such flange.
  • the closure cover member is mounted in the cylindrical portion 3a of the insert member 3.
  • a flange member 19 is formed at the actual closure portion of the closure cover member 18.
  • This flange member 19 has its marginal edge provided with ribbed projections 20.
  • At the underside of the flange member 19 there is a substantially hook-shaped annular bead portion or border 21 which engages about the flange portion 15 of the insert member 3, as shown.
  • a number of knife means 13 In the closed or locked condition of the security closure member, as it is shown in FIG. 2, these knife means 13 piercingly extend through the substantially ring-shaped portion 17 of less thickness and pro vided at the insert member 3.
  • closure cover member 18 can only be removed by rotation. During the rotational movement the knife means 13 cut away a portion of the flange 15, whereafter the closure cover member 18 can be withdrawn out of the insert member 3. It is here mentioned that not only for this embodiment, but for all of the embodiments disclosed herein, an injection moldable plastic has found to be particularly suitable as the material for forming the security closure mechanism. In so doing, the closure cover member with the knife means can be advantageously manufactured from a harder material than that of the insert member. Still, this is not absolutely necessary since the sharp form of the knife means 13 is suflicient to cut away the marginal bead or flange of the insert member.
  • FIGS. 3 to 15, inclusive wherein like reference numerals have generally been employed for similar or analogous components, and where there is shown various modified forms of the inventive safety closure mechanism
  • the safety closure mechanism again incorporates the cover closure member 9 and the insert member 3.
  • the closure cover member 9 is provided with knife means 13 at the region of the marginal beaded portion or border 12 which piercingly extend through a weakened portion 312 of the insert member 3.
  • the marginal ring-shaped portion 12 is located beneath a marginal ring-shaped portion 8 of the insert member 3.
  • the knife means 13 extend substantially parallel to the axis of the container or the material dispensing opening and in a direction toward the container.
  • the knife means 13 is likewise provided at the closure cover member 9, again piercingly extending through a weakened portion 31; of the insert member 3 and located near the marginal beaded portion or border 8 which is situated above the marginal portion 12 of the closure cover member 9.
  • the knife means 13 extend substantially parallel to the axis of the container.
  • FIG. 5 also shows a closure cover member 9 provided with the annular or ring-shaped marginal portion 12 located beneath the ring-shaped marginal portion 8 of the insert member 3.
  • this cover member 9 has knife means 13 which piercingly engage with the weakened portion 3b of the insert member 3 and extending substantially parallel to the lengthwise axis of the container and in the direction of such container.
  • FIG. 6 shows a security closure mechanism wherein the knife means 13, while extending substantially parallel to the axis of the container, in this instance is directed away from the container.
  • the knife means 13 provided at the closure cover member 9 extend radially outwardly of the container and piercingly contact the weakened portion 3b of the insert member 3 which is arranged adjacent the substantially ring-shaped marginal bead or flange 8 thereof.
  • FIG. 8 is somewhat similar to the arrangement of FIG. 7, but in this case the knife means 13 at the closure cover member 9 extend radially inwardly in a direction toward the longitudinal axis of the container.
  • FIGS. 9 to 12 inclusive show various types of security closure mechanisms wherein the knife means 13 are, in this instance, provided at the insert member 3 as opposed to the closure cover member 9.
  • the knife means 13 extend substantially parallel to the axis of the container or its material discharge opening and in a direction away from the container.
  • the knife means 13 extend radially with regard to the axis of the container, and specifically, in FIG. 11, such knife means 13 extends radially inwardly toward the inside of the container and in FIG. 12 radially outwardly of the container.
  • FIG. 13 shows a detail of the weakened portion of the insert member or the closure cover member, and specifically, wherein such weakened portion is constituted by a plurality of thin rib members 22.
  • FIG. 14 shows a modified form of security closure member wherein the material dispensing opening at the insert member 3 is closed by a membrane or thin-skinned diaphragm 23.
  • This membrane 23 embodies a weakened portion 24 which is located at the region of the knife means 13 in order to be pierced by the latter, and such weakened portion 24 incorporates a portion 25 of U- shaped or cup-shaped configuration which is capable of accommodating or receiving the knife means 13.
  • FIG. 15 shows the security closure mechanism of FIG. 1 wherein the closure cover member 9 is connected by a loop member 26 rotatably with the container.
  • FIG. 16 shows a security closure mechanism of the type shown in FIG. 14 wherein such closure mechanism is cover by a protective cover 27 secured at a loop member 26.
  • the container end wall or cover portion is designated by reference numeral 1 and has an opening 1a which is formed by an upwardly directed edge portion -2.
  • the container cover or wall 1 is additionally formed so that it is directed inwardly so that the closure mechanism protrudes as little as possible above the contour of the container.
  • An insert member 3 is fixedly introduced into the opening 1a formed by the edge portion 2.
  • This insert member 3 is fixedly retained by the edge or corner 2a defined by the intersection of the edge portion 2 and the container wall or cover portion 1.
  • the insert member 3 is equipped at its inner cylindrical portion with a number of cams or projections 28.
  • a pouring cylinder member 29 is located within the insert member 3, and this pouring cylinder member has a number of cams or projections 30.
  • the cams 30 of the pouring cylinder member 29 bear upon the cams 28 of the insert member 3.
  • the closure mechanism is sealed or closed by the closure cover member 18.
  • the latter has a flange member 19 possessing a substantially hook-shaped edge or marginal region 21 by means of which there is engaged the marginal regional border 31 of the insert member 3 which possesses a ring-shaped portion of lesser wall thickness, as shown.
  • knife means 13 At the underside of the flange member 19 there are arranged knife means 13 which piercingly extend through the ring-shaped portion of lesser wall thickness of the edge or marginal region 31 and thereby fix the position of the closure cover member 18.
  • the closure cover member 18 is rotated at the ribs 20 arranged at the flange 19, until the knife means 13 sever the outer portion of the edge 31 from the remaining portion of the insert member 3. Thereafter, the closure cover member 18 can be conveniently and easily lifted away.
  • the pouring cylinder member 29 is rotated through in other words is placed in an inverted position, and again introduced into the insert member 3, as shown as the lefthand portion of FIG. 17. In this position, the cams 30 of such pouring cylinder member 29 are guided between the intermediate spaces between the cams 28 of the insert member 3, until a locking action is perfected by means of the cams 28, 30.
  • these cams 28 and 30 form a bayonet type of lock by means of which the pouring cylinder member 29, by rotation, can be brought into fixed connection with the insert member 3, as shown.
  • the edge of the pouring cylinder member 29 is located at a sufficient spacing from the edge of the'container itself, so that a faultless pouring operation is possible.
  • the closure cover member 18 it is possible to seal the container even though the pouring cylinder member has assumed its operationl pouring position, and although the container itself can no longer be absolutely sealed from the standpoint of insuring that it has never been opened.
  • FIG. 18 there is a further embodiment of security closure mechanism which incorporates a container cover or wall 1 having an opening formed by the marginal edge portion 2.
  • An insert member 3 is introduced in tight sealing fashion into this opening 1a.
  • This insert member 3 incorporates at its inner surface a cylindrical portion 32 as well as a merging portion having threading 33.
  • a pouring cylinder member 29 which embodies a collar 34, at one side of which there is provided the threading 35 and at the other side thereof a cylindrical portion 36.
  • the closure cover member 18 is constructed in the same manner as considered with regard to the embodiment of FIG. 17, and similarly, the secure attachment of such closure cover member 18 to the insert body member 3 is carried out in the manner of the previous embodiment.
  • the pouring cylinder member 29 is again rotated through 180 into an inverted position and reintroduced into the insert member 3 and threaded with the threading 33 thereof.
  • the edge of the pouring cylinder member 29 protrudes suificiently far out of the contour of the container so that a faultless and unobstructed pouring of the container contents is possible.
  • FIG. 19 likewise shows an embodiment of security closure mechanism having filling connection means. More precisely, it will be recognized that at the container cover or end wall 1 there is provided an opening 1a which is formed by the flexed marginal edge 2. An insert member 3 is introduced into this opening 1a and is held by the edge 2 of such opening. Insert member 3 incorporates a recessed or stepped cylindrical internal portion 60 within which the pouring cylinder member 29 can be guided in lengthwise direction. The pouring cylinder 29 in turn has at its pouring edge 37 a collar 38 or equivalent structure, by means of which it braces or supports itself upon a shoulder 39 provided at the insert member 3. This pouring cylinder member 29 possesses a further collar 40 and at the end opposite the pouring edge a marginal portion 41. Collars 38 and 40 need not be formed as ringlike members, rather could also be constructed in the form of a plurality of cams.
  • closure cover member 18 is constructed in the same manner as in the embodiments of FIGS. 17 and 18. Now, in order to open the security closure mechanism, the closure cover member 18 is again rotated until the safety seal arrangement is released. Thereafter, the pouring cylinder member 29 is retracted to such an extent until the collar 40 engages with the shoulder 39, as shown at the left-hand portion of FIG. 19.
  • both the pouring cylinder member '29 as well as the insert member 3 are formed to be resilient or elastically flexible, the transition of the pouring cylinder member into its operational pouring position can be undertaken without difliculty, but the pouring cylinder member itself can no longer be loosened or released by virture of the provision of the collar 40 and the marginal edge or end 41 provided at the pouring cylinder member.
  • the container can also again be sealed, although not safety sealed, in this position of the pouring cylinder member by using the closure cover member
  • a security closure mechanism for the material dis charge opening of a container comprising an insert member adapted to be secured in a wall of the container, a closure cover member secured to said insert member, said insert member and said closure cover member each being provided with a respective substantially ring-shaped marginal portion means disposed concentrically about the axis of said discharge opening and being arranged in such a way with respect to one another that said closure cover member is rotatably anchored at said insert member, one of said members being provided with at least one knife means at the region of its marginal portion means, the other of said members having a weakened portion disposed concentrically about the axis of said discharge opening and penetrated by said knife means such that upon rotation of said closure cover member said marginal portion means is separated and releases said closure cover member from said insert member.
  • a security closure mechanism for the material discharge opening of a container comprising an insert member adapted to be secured in a wall of the container, a closure cover member secured to said insert member, said insert member and said closure cover member each being provided with a respective substantially ring-shaped marginal portion means arranged in such a way with respect to one another that said closure cover member is rotatably anchored at said insert member, one of said members being provided with at least one knife means at the region of its marginal portion means, the other of said members having a weakened portion penetrated by said knife means such that upon rotation of said closure cover member said marginal portion means is separated and releases said closurecover member from said insert member, and wherein said knife means constitutes a portion of said insert member.
  • a security closure mechanism for the material discharge opening of a container comprising an insert member adapted to be secured in a wall of the container, a closure cover member secured to said insert member, said insert member and said closure cover member each being provided with a respective substantially ring-shaped marginal portion means arranged in such a way with respect to one another that said closure cover member is rotatably anchored at said insert member, one of said members being provided with at least one knife means at the region of its marginal portion means, the other of said members having a weakened portion penetrated by said knife means such that upon rotation of said closure cover member said marginal portion means is separated and releases said closure cover member from said insert member, and wherein said knife means extends substantially parallel to the axis of said material discharge opening and extends away from said container when said security closure mechanism is mounted thereat.
  • a security closure mechanism for the material discharge opening of a container comprising an insert mem ber adapted to be secured in a wall of the container, a closure cover member secured to said insert member, said insert member and said closure cover member each being provided with a respective substantially ring-shaped marginal portion means arranged in such a way with respect to one another that said closure cover member is rotatably anchored at said insert member, one of said mem bers being provided with at least one knife means at the region of its marginal portion means, the other of said members having a weakened portion penetrated by said knife means such that upon rotation of said closure cover member said marginal portion means is separated and releases said closure cover member from said insert member, and further including a pouring cylinder member arranged in said insert member, said pouring cylinder member extending into the container when said security closure mechanism is not yet opened, said closure cover member covering said pouring cylinder member, said pouring cylinder member being retractable out of said insert member upon opening of said security closure mechanism.
  • a security closure mechanism for the material discharge opening of a container comprising an insert member adapted to be secured in a wall of the container, a closure cover member secured to said insert member, said insert member and said closure cover member each being provided with a respective substantially ring-shaped marginal portion means arranged in such a way with respect to one another that said closure cover member is rotatably anchored at said insert member, a portion of said closure cover member being provided with at least one knife means at the region of its marginal portion means, the other of said members having a weakened portion penetrated by said knife means such that upon rotation of said closure cover member said marginal portion means is separated and releases said closure cover member from said insert member, and further including a pouring cylinder member disposed in said insert member, said pouring cylinder member and said insert member, being provided with cooperating means which enable said pouring cylinder member to be rotated through substantially 180 from its position where said pouring cylinder member is arranged in said insert member when said security closure mechanism is closed, whereby said cooperating means enable said pouring cylinder member to be fixedly
  • closure cover member and said insert member are formed of respective materials possessing different hardness.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Closures For Containers (AREA)
US766146A 1967-10-11 1968-10-09 Security closure mechanism with knife means for releasing closure Expired - Lifetime US3529750A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CH1422567A CH480239A (de) 1967-10-11 1967-10-11 Sicherheitsverschluss an einem Gefäss
CH1422667A CH476610A (de) 1968-10-17 1968-10-17 Sicherheitsverschluss an einem Gefäss

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US3529750A true US3529750A (en) 1970-09-22

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US766146A Expired - Lifetime US3529750A (en) 1967-10-11 1968-10-09 Security closure mechanism with knife means for releasing closure

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US (1) US3529750A (enrdf_load_html_response)
BE (1) BE722032A (enrdf_load_html_response)
DE (1) DE1786396A1 (enrdf_load_html_response)
ES (1) ES163423Y (enrdf_load_html_response)
FR (1) FR1586977A (enrdf_load_html_response)
GB (1) GB1241335A (enrdf_load_html_response)
NL (1) NL6814566A (enrdf_load_html_response)
NO (1) NO126520B (enrdf_load_html_response)
SE (1) SE343539B (enrdf_load_html_response)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4047641A (en) * 1975-10-24 1977-09-13 Sinanan Enterprises Limited Liquid dispensing containers with cutter for preventing refilling
US5152428A (en) * 1989-12-22 1992-10-06 Silvestro Di Gerolamo Tank with connecting union and a cutting blade

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4022357A (en) * 1975-09-18 1977-05-10 American Flange & Manufacturing Co., Inc. Retractable pouring spout closure
EP2246674A1 (fr) * 2009-04-27 2010-11-03 Actaris SAS Module de télé-relève pour compteur de fluide
CN110697240B (zh) * 2019-11-15 2023-11-03 烟台金元包装材料有限公司 一种可伸缩式防盗组合盖及其开启方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3227317A (en) * 1963-06-06 1966-01-04 Shell Oil Co Closure assembly for containers
US3379333A (en) * 1966-08-05 1968-04-23 Reynolds Metals Co Container easy-open means and method of making the same or the like
US3429481A (en) * 1967-03-23 1969-02-25 Reynolds Metals Co End closure opening and pouring means

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3227317A (en) * 1963-06-06 1966-01-04 Shell Oil Co Closure assembly for containers
US3379333A (en) * 1966-08-05 1968-04-23 Reynolds Metals Co Container easy-open means and method of making the same or the like
US3429481A (en) * 1967-03-23 1969-02-25 Reynolds Metals Co End closure opening and pouring means

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4047641A (en) * 1975-10-24 1977-09-13 Sinanan Enterprises Limited Liquid dispensing containers with cutter for preventing refilling
US5152428A (en) * 1989-12-22 1992-10-06 Silvestro Di Gerolamo Tank with connecting union and a cutting blade

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DE1786396A1 (de) 1972-01-05
NL6814566A (enrdf_load_html_response) 1969-04-15
ES163423U (es) 1971-07-16
SE343539B (enrdf_load_html_response) 1972-03-13
ES163423Y (es) 1972-04-01
NO126520B (enrdf_load_html_response) 1973-02-19
GB1241335A (en) 1971-08-04
FR1586977A (enrdf_load_html_response) 1970-03-06
BE722032A (enrdf_load_html_response) 1969-03-14

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