1. Fiber for reinforcing rubber products, which comprises glass fiber coated with a coating film formed by a treating agent comprising a water-soluble condensate of resorcinol and formaldehyde, a latex of a solid acrylonitrilebutadiene copolymer and a latex of a liquid acrylonitrilebutadiene copolymer.
2. The fiber for reinforcing rubber products according to claim 1, wherein the latex of a solid acrylonitrilebutadiene copolymer is a latex of a self-crosslinking acrylonitrilebutadiene copolymer.
3. The fiber for reinforcing rubber products according to claim 2, wherein said self-crosslinking acrylonitrilebutadiene copolymer is obtained by polymerizing an ethylenic monomer with acrylonitrile and butadiene.
4. The fiber for reinforcing rubber products according to claim 3, wherein said ethylenic monomer is N-methylol (meth)acrylamide.
5. The fiber for reinforcing rubber products according to claim 1, wherein the latex of a solid acrylonitrilebutadiene copolymer is a soap-free acrylonitrilebutadiene copolymer latex.
6. The fiber for reinforcing rubber products according to claim 1, wherein the treating agent further contains at least one component selected from the group consisting of a latex of a halogen-containing polymer, a latex of an acrylate polymer and an epoxy resin emulsion.
7. The fiber for reinforcing rubber products according to claim 1, wherein the glass fiber coated with the coating film formed by the above treating agent, is further coated with a second coating film formed by a second treating agent comprising a rubber, a vulcanizing agent and an inorganic filler.
8. The fiber for reinforcing rubber products according to claim 1, wherein said water-soluble condensate of resorcinol and formaldehyde are present in a molar ratio of resorcinol to formaldehyde ranging from 1:0.3 to 1:2.5.
9. The fiber for reinforcing rubber products according to claim 1, wherein said latex of a solid acrylonitrilebutadiene copolymer is a latex of a solid acrylonitrilebutadiene copolymer wherein the amount of bound acrylonitrile ranges from 15 to 50%.
10. The fiber for reinforcing rubber products according to claim 1, wherein said latex of a liquid acrylonitrilebutadiene copolymer is a latex of a liquid acrylonitrilebutadiene copolymer wherein the weight average molecular weight of the copolymer ranges from 1000 to 70,000.
11. The fiber for reinforcing rubber products according to claim 10, wherein the amount of bound acrylonitrile in said latex of a liquid acrylonitrilebutadiene copolymer ranges from 15 to 50%.
12. The fiber for reinforcing rubber products according to claim 1, wherein the treating agent further comprises one or more additives selected from the group consisting of an anti-aging agent, a rubber latex, and a resin emulsion.
13. The fiber for reinforcing rubber products according to claim 1, wherein the latex of a liquid acrylonitrilebutadiene copolymer is in a ratio ranging from 10 to 900 parts per 100 part of the latex of a solid acrylonitrilebutadiene copolymer.
14. The fiber for reinforcing rubber products according to claim 13, wherein the latex of a liquid acrylonitrilebutadiene copolymer is in a ratio ranging from 30 to 300 parts per 100 part of the latex of a solid acrylonitrilebutadiene copolymer.
15. The fiber for reinforcing rubber products according to claim 14, wherein the latex of a liquid acrylonitrilebutadiene copolymer is in a ratio ranging from 65 to 150 parts per 100 part of the latex of a solid acrylonitrilebutadiene copolymer.
16. The fiber for reinforcing rubber products according to claim 1, wherein the water-soluble condensate of resorcinol and formaldehyde is in a concentration based on the total evaporation residue of the first treating anent ranging from 0.5 to 15%.
17. The fiber for reinforcing rubber products according to claim 16, wherein the water-soluble condensate of resorcinol and formaldehyde is in a concentration based on the total evaporation residue of the first treating agent ranging from 1 to 10%.
18. The fiber for reinforcing rubber products according to claim 1, wherein the glass fiber is obtained by bundling from 200 to 600 glass monofilaments having a diameter ranging from 7 to 9 \u03bcm.
19. The fiber for reinforcing rubber products according to claim 18, wherein the glass monofilaments are E glass or S glass.
20. The fiber for reinforcing rubber products according to claim 18, wherein the glass fiber has applied thereto at least one binding agent selected from the group consisting of a silane coupling agent and a film-forming agent.
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. An anesthesia cart comprising
a cabinet having a base, a front, a rear, and a top;
a computer control arrangement mounted on said cabinet and including a computer processor, a data entry device, and a key code reader mounted in the cabinet and being coupled to said computer processor;
at least one general use drawer in said cabinet including an electro-mechanical lock coupled to said computer processor;
a controlled-materials drawer in said cabinet having a plurality of lockable compartments and having one or more motors for locking and unlocking the plurality of lockable compartments; and
a sonic presence sensor mounted on said cabinet and centered thereon, having a beam centered in the direction facing past the front of the cabinet and configured for detecting presence or absence of a user within a given beam volume and within a predetermined range of said sonic presence sensor past the front of said cabinet and providing an output signal indicating the presence or absence of the user to said computer processor, wherein said predetermined range of the given beam volume of said sonic presence sensor is substantially eighteen inches in front of said cabinet and said given beam volume is of sufficient width to detect the user immediately in front of the anesthesia cart;
said key code reader cooperating with said computer control arrangement to communicate with the electro-mechanical lock of said at least one general use drawer and to communicate with a respective motor of the one or more motors of said plurality of lockable compartments, and respond to presence of an anesthesia authorization code to unlock said at least one general use drawer to permit access to said at least one general use drawer; to await entry of an authorized pass code on said data entry device; and, upon entry of said authorized pass code, to unlock one of the plurality of lockable compartments in said controlled-materials drawer; and
said computer processor being suitably programmed and configured to maintain the at least one general use drawer in an unlocked condition so long as said sonic presence sensor provides said output signal indicating that the user is present within said given beam volume, and to re-lock said at least one general use drawer and to re-lock the respective lockable compartment of said controlled-materials drawer in response to the output signal of said sonic presence sensor indicating that the user is absent from said given beam volume.
2. The anesthesia cart according to claim 1 wherein said controlled-materials drawer is configured as a pull out drawer slidably supported in the cabinet; the plurality of lockable compartments in the pull out drawer are arranged in at least one pair of rows in a given direction across said pull out drawer and include an elongated covered channel portion extending in said given direction alongside and between said rows of said at least one pair of rows of said plurality of lockable compartments;
each of the plurality of lockable compartments having a compartment lid that is normally locked down but is selectively releasable to permit the compartment lid to open for access to the lockable compartment;
a slide bar disposed in said elongated covered channel portion and suitably configured to move for at least a limited distance along said elongated covered channel portion, and arranged to slide to a plurality of predetermined positions, each position unlocking only a respective one of the plurality of compartment lids and leaving the remaining compartment lids locked; and a respective motor of the one or more motors for moving said slide bar to a selected one of the plurality of predetermined positions to permit only one said compartment lid to be lifted open.
3. The anesthesia cart according to claim 1 wherein said sonic presence sensor is an ultrasonic range finder.
4. The anesthesia cart according to claim 1 wherein said computer control arrangement is suitably programmed and configured to observe a predetermined delay time when the output signal of the sonic presence sensor indicates that the user is absent from said given beam volume, and to maintain the at least one general use drawer in its unlocked condition until said predetermined delay time has expired.
5. A medications and medical supplies cart comprising
a cabinet having a base, a top, a back, and a front;
a computer control arrangement mounted on said cabinet and including a computer processor, a key code reader mounted in the cabinet and being coupled to said computer processor;
at least one general use compartment in said cabinet including an electro-mechanical lock mechanism coupled to said computer processor; and
means for communicating an unlock code to said key code reader;
said key code reader cooperating with said computer control arrangement to communicate with the electro-mechanical lock mechanism of said at least one general use compartment, and respond to presence of said unlock code to unlock said at least one general use compartment to permit access to said at least one general use compartment; and
a sonic presence sensor mounted on said cabinet and centered thereon, having a beam centered on the front of the cabinet in the direction past the front of the cabinet, and operative to detect presence of a user within a given beam volume of the sonic presence sensor extending for a predetermined distance in front of the cabinet, providing an output signal that indicates that the user is present in said given beam volume and providing another output signal that indicates the user is absent from said given beam volume, wherein said predetermined distance of the given beam volume is substantially eighteen inches in front of said cabinet and the given beam volume is of sufficient width to detect the user immediately in front of the medications and medical supplies cart;
the computer control arrangement being operative, when the output signal of the sonic presence sensor indicates the user is present in said given beam volume to maintain said at least one general use compartment in an unlocked state, and when the output signal of said sonic presence sensor indicates that the user is absent from said given beam volume to re-lock said at least one general use compartment.
6. The medications and medical supplies cart according to claim 5, wherein said sonic presence sensor is an ultrasonic range finder.
7. The medications and medical supplies cart according to claim 5, wherein said computer control arrangement is suitably programmed and configured to observe a predetermined delay time when the output signal of the sonic presence sensor indicates that the user is absent from said given beam volume, and to maintain the at least one general use compartment in its unlocked state until said predetermined delay time has expired.