1. A reusable bag system comprising:
a body of at least two totes;
at least one tote being a top tote and at least one tote being a bottom tote;
each tote individually having a closed bottom, two opposed and substantially identical first sidewalls and two opposed and substantially identical second sidewalls, the bottom being bound to each sidewall along a bottom edge, and the body defining an interior having a top opening;
a hard full-wall board embedded in at least one of the two first sidewalls;
a rigid removable insert for the bottom tote, wherein seated within the interior of the bottom tote and supported by at least one second sidewall and the bottom, comprised of at least one flap of similar shape and dimension to at least one second sidewall and a panel of similar shape and dimension to the bottom, which enables the bottom tote to be a rigid structure, wherein moving the rigid removable insert away from the second sidewall and bottom enables the bottom tote to be collapsed;
a rigid removable insert for the top tote, wherein seated within the interior of the top tote and supported by at least one second sidewall and the bottom, comprised of at least one flap of similar shape and dimension to at least one second sidewall and a panel of similar shape and dimension to the bottom which enables the top tote to be a rigid structure, wherein seating the rigid removable insert in the interior of the top tote also enables the top tote to be stacked vertically in the interior of the bottom tote, wherein the top tote is partly suspended within the interior of the bottom tote at a predetermined height by frictional contact created when the exterior sidewalls of the top tote come in contact with the interior sidewalls of the bottom tote, wherein the frictional contact between the top and bottom totes is achieved by the dimensions of the bottom of the top tote being equal in dimension to an area between the top and bottom edges of the bottom tote, wherein moving the rigid removable insert away from the second sidewall and bottom enables the top tote to be collapsed.
2. The reusable bag system of claim 1 wherein the body is two totes.
3. The reusable bag system of claim 2 wherein the body is a top tote and a bottom tote.
4. The reusable bag system of claim 3 wherein each top and bottom tote has one set of two first sidewalls and one set of two second sidewalls that are affixed to a bottom and extend away from the bottom in substantially the same direction.
5. The reusable bag system of claim 4 wherein each first sidewall forms a full-wall pocket to receive one full-wall board.
6. The reusable bag system of claim 3 wherein each has a rectangular top edge in a substantially horizontal plane.
7. The reusable bag system of claim 3 wherein each sidewalls that are bound to adjacent sidewalls along a vertical edge and each sidewall is attached with respect to the bottom along a bottom edge whereby each tote has an integral body that can be erected or collapsed.
8. The reusable bag system of claim 3 wherein each further comprises a handle on at least one sidewall.
9. The reusable bag system of claim 3 wherein each has a rigid insert that can be removed from the interior of the tote body.
10. The reusable bag system of claim 3 wherein each has at least one means to secure the removable rigid insert on at least one sidewall of the interior of each tote.
11. The reusable bag system of claim 10 wherein the rigid removable insert seated in the interior of the body creates an erect structure.
12. The reusable bag system of claim 3 wherein each is stacked vertically and the top tote partially suspended within the interior of the bottom tote and said top tote is both a top and bottom tote and said bottom tote is both a top and bottom tote when in a stacked state and is both suspended in the interior of a bottom tote and receiving the bottom of a top tote.
13. A reusable bag system comprising:
a body of two totes;
a top tote and a bottom tote;
each tote individually having a closed bottom, two opposed and substantially identical first sidewalls and two opposed and substantially identical second sidewalls, the bottom being bound to each sidewall along a bottom edge, and the body defining an interior having a top opening;
each tote individually having a hard full-wall board embedded in each of the two first sidewalls;
a rigid removable insert for the bottom tote, wherein seated within the interior of the bottom tote and supported by the two second sidewalls and the bottom, comprised of two flaps of similar shape and dimension of the two second sidewalls and a panel of similar shape and dimension of the bottom, which enables the bottom tote to be a rigid structure, wherein moving the rigid removable insert away from the two second sidewalls and bottom enables the bottom tote to be collapsed;
a rigid removable insert for the top tote, wherein seated within the interior of the top tote and supported by the two second sidewalls and the bottom, comprised of two flaps of similar shape and dimension of the two second sidewalls and a panel of similar shape and dimension of the bottom, which enables the top tote to be a rigid structure, wherein seating the rigid removable insert in the interior of the top tote also enables the top tote to be stacked vertically in the interior of the bottom tote, wherein the top tote is partly suspended within the interior of the bottom tote at a predetermined height by frictional contact created when the exterior sidewalls of the top tote come in contact with the interior sidewalls of the bottom tote, wherein the frictional contact between the top and bottom totes is achieved by the dimensions of the bottom of the top tote being equal in dimension to an area between the top and bottom edges of the bottom tote, wherein moving the rigid removable insert away from the two sidewalls and the bottom of the top tote enables the top tote to be collapsed.
14. The reusable bag system of claim 13 wherein a full-wall board is embedded in each of the first sidewalls.
15. The reusable bag system of claim 13 wherein a rigid removable insert for the bottom tote has two flaps of similar shape and dimension of the two second sidewalls and a panel of similar shape and dimension of the bottom, the rigid removable insert when seated in the interior of the bottom tote enables the bottom tote to be a rigid structure, wherein moving the rigid removable insert away from the two second sidewalls and bottom enables the bottom tote to be collapsed.
16. The reusable bag system of claim 13 wherein a rigid removable insert for the top tote has two flaps of similar shape and dimension of the two second sidewalls and a panel of similar shape and dimension of the bottom; the rigid removable insert wherein seated in the interior of the top tote enables the top tote to be a rigid structure, wherein seating the rigid removable insert in the interior of the top tote also enables the top tote to be stacked vertically in the interior of the bottom tote, wherein the top tote is partly suspended within the interior of the bottom tote at a predetermined height by frictional contact created when the exterior sidewalls of the top tote come in contact with the interior sidewalls of the bottom tote, wherein the frictional contact between the top and bottom totes is achieved by the dimensions of the bottom of the top tote being equal in dimension to an area between the top and bottom edges of the bottom tote, wherein moving the rigid removable insert away from the two sidewalls and the bottom of the top tote enables the top tote to be collapsed.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A rubber composition, comprising:
a rubber component; and
a hydrated silica having particles each provided with micropores with openings in the range of 1.2\xd7105 nm to 6 nm formed at outer surface of the particle,
wherein in measurement according to a mercury press-in method using a mercury porosimeter of the hydrated silica, provided that:
\u201cM1\u201d (nm) represents diameter of the opening exhibiting the maximum value of mercury charge rate when pressure is increased from 1 PSI to 32000 PSI;
\u201cM2\u201d (nm) represents diameter of the opening exhibiting the maximum value of mercury discharge rate when pressure is decreased from 32000 PSI to 1 PSI;
\u201cIB\u201d represents \u201cink bottle-shaped micropore index\u201d;
IB=M2\u2212M1 \u2003\u2003(X); and
\u201cCTAB\u201d (m2g) represents specific surface area by cetyltrimethylammonium bromide adsorption,
IB and CTAB satisfy following formula (I).
IB\u2266\u22120.36\xd7CTAB+86.8 \u2003\u2003(I)
2. A rubber composition, comprising:
a rubber component; and
a hydrated silica having particles each provided with micropores with openings in the range of 1.2\xd7105 nm to 6 nm formed at outer surface of the particle,
wherein in measurement according to a mercury press-in method using a mercury porosimeter of the hydrated silica, provided that:
\u201cM1\u201d (nm) represents diameter of the opening exhibiting the maximum value of mercury charge rate when pressure is increased from 1 PSI to 32000 PSI;
\u201cM2\u201d (nm) represents diameter of the opening exhibiting the maximum value of mercury discharge rate when pressure is decreased from 32000 PSI to 1 PSI;
\u201cIB\u201d represents \u201cink bottle-shaped micropore index\u201d;
IB=M2\u2212M1 \u2003\u2003(X);
\u201cCTAB\u201d (m2g) represents specific surface area by cetyltrimethylammonium bromide adsorption;
\u201cweight loss on ignition\u201d (mass %) represents weight loss when the hydrate silicate is heated at 750\xb0 C. for 3 hours; and
\u201cweight loss on heating\u201d (mass %) represents weight loss when the hydrate silicate is heated at 105\xb0 C. for 2 hours,
IB and CTAB satisfy following formula (I\u2032) and formula (II) and \u201cweight loss on ignition\u201d and \u201cweight loss on heating\u201d satisfy formula (III).
IB\u2266\u22120.56\xd7CTAB+110.4 (when CTAB\u2267140) \u2003\u2003(I\u2032)
IB\u2266\u22120.20\xd7CTAB+60.0 (when CTAB>140) \u2003\u2003(II)
(\u201cweight loss on ignition\u201d\u2212\u201cweight loss on heating\u201d)\u22672.5 (mass %) \u2003\u2003(III)
3. The rubber composition of claim 1, wherein specific surface area by cetyltrimethylammonium bromide adsorption (CTAB) of the hydrated silica is in the range of 50 m2g to 300 m2g.
4. The rubber composition of claim 1, wherein the rubber component is made of natural rubber andor diene-based synthetic rubber, and 10 to 150 parts by mass of the hydrated silica is blended with 100 parts by mass of the rubber component.
5. The rubber composition of claim 1, wherein 1 to 20 parts by mass of silane coupling agent may be blended with 100 parts by mass of the hydrated silica.
6. The rubber composition of claim 5, wherein the silane coupling agent is at least one type of compounds selected from the group consisting of a compound represented by following formula (IV), a compound represented by following formula (V), a compound represented by following formula (VI), and a compound represented by following formula (VII).
AmB3\u2212mSi\u2014(CH2)a\u2014Sb\u2014(CH2)a\u2014SiAmB3\u2212m \u2003\u2003(IV)
In formula (IV), \u201cA\u201d represents CnH2n+1O (\u201cn\u201d represents integer in the range of 1 to 3) or chlorine atom, \u201cB\u201d represents C1-3 alkyl group, \u201cm\u201d represents integer in the range of 1 to 3, \u201ca\u201d represents integer in the range of 1 to 9, and \u201cb\u201d represents integer equal to or larger than 1. When m=1, \u201cB\u201ds may be of the same type or different types. When m=2 or 3, \u201cA\u201ds may be of the same type or different types.
AmB3\u2212mSi\u2014(CH2)c\u2014Y \u2003\u2003(V)
In formula (V), \u201cA\u201d represents CnH2n+1O (\u201cn\u201d represents integer in the range of 1 to 3) or chlorine atom, \u201cB\u201d represents C1-3 alkyl group, \u201cY\u201d represents mercapto, vinyl, amino, glycidoxy or epoxy group, \u201cm\u201d represents integer in the range of 1 to 3, and \u201cc\u201d represents integer in the range of 1 to 9. When m=1, \u201cB\u201ds may be of the same type or different types. When m=2 or 3, \u201cA\u201ds may be of the same type or different types.
AmB3\u2212mSi\u2014(CH2)a\u2014Sb\u2014Z \u2003\u2003(VI)
In formula (VI), \u201cA\u201d represents CnH2n+1O (\u201cn\u201d represents integer in the range of 1 to 3) or chlorine atom, \u201cB\u201d represents C1-3 alkyl group, \u201cZ\u201d represents benzothiazoryl, N,N-dimethylthiocarbamoyl or methacryloyl group, \u201cm\u201d represents integer in the range of 1 to 3, \u201ca\u201d represents integer in the range of 1 to 9, and \u201cb\u201d represents integer equal to or larger than 1. When m=1, \u201cB\u201ds may be of the same type or different types. When m=2 or 3, \u201cA\u201ds may be of the same type or different types.
R1xR2yR3zSi\u2014R4\u2014S\u2014CO\u2014R5 \u2003\u2003(VII)
In formula (VII), \u201cR1\u201d is selected from the group consisting of R6O\u2014, R6C(\u2550O)O\u2014, R6R7C\u2550NO\u2014, R6R7NO\u2014, R6R7N\u2014, and \u2014(OSiR6R7)n(OSiR5R6R7) and the number of carbon atoms of R1 is in the range of 1 to 18 (provided that R6 and R7 are independently selected from the group consisting of alkyl, cycloalkyl, alkenyl, cycloalkenyl and aryl groups, the number of carbon atoms of R6 and R7 is in the range of 1 to 18, \u201cn\u201d is an integer in the range of 0 to 10); \u201cR2\u201d is selected from C1-18 alkyl, C1-18 cycloalkyl, C1-18 alkenyl, C1-18 cycloalkenyl and C1-18 aryl groups; \u201cR3\u201d is selected from \u2014O(R8O)m0.5\u2014 (provided that R8 is selected from C1-18 alkylene group and C1-18 cycloalkylene group and \u201cm\u201d represents integer in the range of 1 to 4); x, y and z satisfy equations including x+y+2z=3, 0\u2266x\u22663, 0\u2266y\u22662, and 0\u2266z\u22661; \u201cR4\u201d is selected from C1-18 alkylene, C1-18 cycloalkylene, C1-18 cycloalkylalkylene, C1-18 alkenylene, C1-18 arylene, and C1-18 aralkylene groups; and \u201cR5\u201d is selected from C1-18 alkyl, C1-18 cycloalkyl, C1-18 alkenyl, C1-18 cycloalkenyl, C1-18 aryl, and C1-18 aralkyl groups.
7. The rubber composition of claim 5, wherein 0 to 80 parts by mass of carbon black is blended with 100 parts by mass of the rubber component so that the total content of the hydrated silica and the carbon black is equal to or less than 120 parts by mass.
8. A pneumatic tire, comprising a component member employing the rubber composition of claim 1.