Container having a metal overcap-thermoplastic lid closure assembly

Claim 1

A method of forming a container of the type having a container body; a substantially rigid, upwardly extending throat joined to one end of the container body, the throat having at its uppermost end a radially outwardly protruding bead; a reclosable thermoplastic lid, the lid having a top portion including a peripheral raised rim a portion of which abuttingly overlies the bead, an upwardlyprotruding annular retaining bead, a recessed central panel radially inward of the rim, and an annular sloping panel connecting the rim and the recessed central panel, a peripheral molded skirt adjoining and depending downwardly from the rim, said skirt having an undercut molded into its interior surface adjacent the junction of the rim and the skirt, the undercut being in abutting engagement with the bead to thereby removably secure the thermoplastic lid to the throat; and a removable metal overcap overlyingly engaging the lid, the overcap having a raised rim overlying the lid rim, a peripheral skirt adjoining and depending downwardly from the overcap rim, the skirt having engaging means for engaging the lid skirt, the engaging means including an annular radially inwardly-sloping lower skirt portion whose lower edge portion engages the outer wall of the lower skirt, and including integral darts in and projecting radially-inwardly from the overcap skirt, the overcap skirt, except for the engaging means, being spaced from the lid skirt, the engaging means effecting a substantially fixed centralized radial positional relationship between the overcap and the lid, preventing the lid skirt from bowing outwardly and from accidentally coming out of abutting engagement with the throat bead, a recessed annular ledge panel radially inward of the overcap rim, the ledge portion having a segment which appends an integral pull ring to the overcap ring, and having a plurality of circumferentially spaced tongues therein, the therminal edge portions of the tongues being in removably secured engagement with the lid retaining bead, and a sloping connecting panel connecting the overcap rim with the overcap skirt, the overcap having radial cutouts therein which cooperate with the pull ring when the pull ring is manipulated to remove the overcap from the lid and container; the method which comprises: separately forming the thermoplastic lid and the metal overcap, said forming of the lid and overcap including the step of providing a space between the overcap and lid skirt sufficient to allow the lid skirt to bow outwardly when it passes over the throat bead as the lid and overcap are placed on the container, overlyingly engaging the overcap and the lid so that the darts engage the outer surface of the lid skirt to thereby place the lid in a substantially fixed, centralized, spatial radial positional relationship with the overcap, engaging the overcap tongue terminal edge portions in the lid annular retaining bead thereby removably securing the overcap to the lid and forming a thermoplastic lid-metal overcap container closure assembly, removably securing the assembly to the throat bead by pressing the assembly over the throat and allowing the lid skirt to bow outwardly into the space between the overcap and lid skirts as the lid skirt passes over the bead, and engaging the lower edge portion of the overcap skirt with the lower portion of the lid skirt to prevent the lid skirt of the secured assembly from bowing outwardly and from accidentally coming out of abutting engagement with the throat bead.

Claim 2

A method of forming a container of the type having a container body; a substantially rigid, upwardly extending throat joined to one end of the container body, the throat having at its uppermost end a radially outwardly protruding bead; a reclosable thermoplastic lid, the lid having a top portion including a peripheral raised rim a portion of which abuttingly overlies the bead, an upwardlyprotruding annular retaining bead, a recessed central panel radially inward of the rim, and an annular sloping panel connecting the rim and the recessed central panel, a peripheral molded skirt adjoining and depending downwardly from the rim, said skirt having an undercut molded into its interior surface adjacent the junction of the rim and the skirt, the undercut being in abutting engagement with the bead to thereby removably secure the thermoplastic lid to the throat; and a removable metal overcap overlyingly engaging the lid, the overcap having a raised rim overlying the lid rim, a peripheral skirt adjoining and depending downwardly from the overcap rim, the skirt having engaging means for engaging the lid skirt, the engaging means including an annular radially inwardly-sloping lower skirt portion whose lower edge portion engages the outer wall of the lower skirt, and including integral darts in and projecting radially-inwardly from the overcap skirt, the overcap skirt, except for the engaging means, being spaced from the lid skirt, the engaging means effecting a substantially fixed centralized radial positional relationship between the overcap and the lid, preventing the lid skirt from bowing outwardly and from accidentally coming out of abutting engagement with the throat bead, a recessed annular ledge panel radially inward of the overcap rim, the ledge portion having a segment which appends an integral pull ring to the overcap ring, and having a plurality of circumferentially spaced tongues therein, the therminal edge portions of the tongues being in removably secured engagement with the lid retaining bead, and a sloping connecting panel connecting the overcap rim with the overcap skirt, the overcap having radial cutouts therein which cooperate with the pull ring when the pull ring is manipulated to remove the overcap from the lid and container; the method which comprises: separately forming the thermoplastic lid and the metal overcap, said forming of the lid and overcap including the step of providing a space between the overcap and lid skirt sufficient to allow the lid skirt to bow outwardly when it passes over the throat bead as the lid and overcap are placed on the container, overlyingly engaging the overcap and the lid so that the darts engage the outer surface of the lid skirt to thereby place the lid in a substantially fixed, centralized, spatial radial positional relationship with the overcap, engaging the overcap tongue terminal edge portions in the lid annular retaining bead thereby removably securing the overcap to the lid and forming a thermoplastic lid-metal overcap container closure assembly, removably securing the assembly to the throat bead by pressing the assembly over the throat and allowing the lid skirt to bow outwardly into the space between the overcap and lid skirts as the lid skirt passes over the bead, and engaging the lower edge portion of the overcap skirt with the lower portion of the lid skirt to prevent the lid skirt of the secured assembly from bowing outwardly and from accidentally coming out of abutting engagement with the throat bead.

Claim 3

A method of forming a container of the type having a container body; a substantially rigid, upwardly extending throat joined to one end of the container body, the throat having at its uppermost end a radially outwardly protruding bead; a reclosable thermoplastic lid, the lid having a top portion including a peripheral raised rim a portion of which abuttingly overlies the bead, a recessed central panel radially inward of the rim, and an annular sloping panel connecting the rim and the recessed central panel, a peripheral molded skirt adjoining and depending downwardly from the rim, said skirt having an undercut molded into its interior surface adjacent the junction of the rim and the skirt, the undercut being in abutting engagement with the bead to thereby removably secure the thermoplastic lid to the throat; and a removable metal overcap overlyingly engaging the lid, the overcap having a raised rim overlying the lid rim, a peripheral skirt adjoining and depending downwardly from the overcap rim, the skirt having engaging means for engaging the lid skirt, the engaging means including an annular radially inwardly-projecting curl at the lower terminal edge of the lid skirt, the curl engaging a portion of the bottom of the lid, and including integral darts in and projecting radially inwardly from the overcap skirt, the overcap skirt, except for the engaging means, being spaced from the lid skirt, the engaging means effecting a substantially fixed centralized radial positional relationship between the overcap and the lid and preventing the lid skirt from bowing outwardly and from accidentally coming out of abutting engagement with the throat bead, a recessed interior substantially full and substantially flat central panel radially inward of the overcap rim, the central panel having a tear strip defined by scoring dividing the central panel and terminating it in the overcap rim, and an integral pull ring at the beginning of the tear strip; the method which comprises: separately forming the thermoplastic lid and the metal overcap, said forming of the lid and overcap including the step of providing a space between the overcap and lid skirt sufficient to allow the lid skirt to bow outwardly when it passes over the throat bead as the lid and overcap are placed on the container, overlyingly engaging the overcap and the lid so that the darts engage the outer surface of the lid skirt to thereby place the lid in a substantially fixed, centralized, spatial radial positional relationship with the overcap, engaging the overcap tongue terminal edge portions in the lid annular retaining bead thereby removably securing the overcap to the lid and forming a thermoplastic lid-metal overcap container closure assembly, removably securing the assembly to the throat bead by pressing the assembly over the throat and allowing the lid skirt to bow outwardly into the space between the overcap and lid skirts as the lid skirt passes over the bead, and, engaging the lower edge portion of the overcap skirt with a lower portion of the lid skirt to prevent the lid skirt of the secured assembly from bowing outwardly and from accidentially coming out of abutting engagement with the throat bead.

Claim 4

A method of forming a container of the type having a container body; a substantially rigid, upwardly extending throat joined to one end of the container body, the throat having at its uppermost end a radially outwardly protruding bead; a reclosable thermoplastic lid, the lid having a top portion including a peripheral raised rim a portion of which abuttingly overlies the bead, a recessed central panel radially inward of the rim, and an annular sloping panel connecting the rim and the recessed central panel, a peripheral molded skirt adjoining and depending downwardly from the rim, said skirt having an undercut molded into its interior surface adjacent the junction of the rim and the skirt, the undercut being in abutting engagement with the bead to thereby removably secure the thermoplastic lid to the throat; and a removable metal overcap overlyingly engaging the lid, the overcap having a raised rim overlying the lid rim, a peripheral skirt adjoining and depending downwardly from the overcap rim, the skirt having engaging means for engaging the lid skirt, the engaging means including an annular radially inwardly-projecting curl at the lower terminal edge of the lid skirt, the curl engaging a portion of the bottom of the lid, and including integral darts in and projecting radially inwardly from the overcap skirt, the overcap skirt, except for the engaging means, being spaced from the lid skirt, the engaging means effecting a substantially fixed centralized radial positional relationship between the overcap and the lid and preventing the lid skirt from bowing outwardly and from accidentally coming out of abutting engagement with the throat bead, a recessed interior substantially full and substantially flat central panel radially inward of the overcap rim, the central panel having a tear strip defined by scoring dividing the central panel and terminating it in the overcap rim, and an integral pull ring at the beginning of the tear strip; the method which comprises: separately forming the thermoplastic lid and the metal overcap, said forming of the lid and overcap including the step of providing a space between the overcap and lid skirt sufficient to allow the lid skirt to bow outwardly when it passes over the throat bead as the lid and overcap are placed on the container, overlyingly engaging the overcap and the lid so that the darts engage the outer surface of the lid skirt to thereby place the lid in a substantially fixed, centralized, spatial radial positional relationship with the overcap, engaging the overcap tongue terminal edge portions in the lid annular retaining bead thereby removably securing the overcap to the lid and forming a thermoplastic lid-metal overcap container closure assembly, removably securing the assembly to the throat bead by pressing the assembly over the throat and allowing the lid skirt to bow outwardly into the space between the overcap and lid skirts as the lid skirt passes over the bead, and, engaging the lower edge portion of the overcap skirt with a lower portion of the lid skirt to prevent the lid skirt of the secured assembly from bowing outwardly and from accidentially coming out of abutting engagement with the throat bead.