摘要:
At least part of the material constituting the bag in which an oxygen absorbent is sealed is composed of a laminated sheet in which a gas permeable sheet is laminated to one or both sides of a microporous film to provide a lamination the two outside layers of which have different softening points, the layer having a lower softening point constituting the inner surface of the bag is disclosed. The bag of this invention can be produced at a high speed by using an ordinary heat-seal machine.
摘要:
An oxygen absorbent comprising (a) metal halide-coated metal powder having at least one metal halide coated on the surface of at least one metal powder, the amount of metal halide coated being in the range of from about 0.001 part to about 10 parts by weight per 100 parts by weight of the metal powder, and the water content of the metal halide-coated metal powder being less than 1% by weight on the basis of total weight of the metal halide-coated metal powder an (b) a water-containing material and a process for producing the same are disclosed.
摘要:
An oxygen and carbon dioxide absorbent comprising (A) a particulate substance wherein the particles of a hydrous alkali substance are covered with separator particles, (B) iron powder and (C) an electrolyte and a process for storing coffee by using the same is disclosed.
摘要:
An oxygen absorbent package comprising a plastic microporous film or nonwoven fabric sheet 1 and a laminated sheet 2 comprising a plastic film 3 having a lower softening point than 1 and a plastic film 4 having a higher softening point than film 3, an oxygen absorbent 5 being put between 1 and 2 with film 3 forming the inner layer, the three layers being heat-sealed on the sides is disclosed. The oxygen absorbent is mainly used for storage of foodstuff, particularly liquid or semi-liquid foodstuff.
摘要:
An oxygen absorbent package comprising a rectangular nonwoven fabric sheet, a rectangular perforated film or nonwoven fabric sheet having a lower softening point than sheet, a rectangular microporous film or nonwoven fabric sheet having a higher softening point than film or sheet, and an oxygen absorbent, the three layers being heat sealed on the four sides is disclosed. The oxygen absorbent package is mainly used for storage of foodstuff, particularly liquid or semiliquid foodstuff.
摘要:
The present invention relates to novel oxygen absorbent comprising as main ingredients a 1,2-glycol, glycerine or sugar alcohol with the oxygen absorbent materials.
摘要:
A deoxidizer sheet suitable for preservation of goods such as foods is provided that has a first layer which essentially contains a deoxidation reaction main agent, such as mixture of iron powder and a metal halide, and a fixing material such as natural or synthetic fibers and heat-meltable resin fibers or powder. The deoxidizer sheet also has a pair of second layers heat-bonded to both surfaces of the first layer.
摘要:
A method of manufacturing a gas permeable packaging material, which comprises the steps of forming a laminate composed of an outer plastic film and a gas permeable inner sheet with a first heat-sealable layer interposed therebetween, perforating the laminate with a number of micro-pores, which extend from the outer film side to at least the inner sheet, heat-sealing a second heat-sealable film with or without a number of small-pores to the inner sheet, and, if the second heat-sealable film is of no porous, forming a number of small-pores in the second heat-sealable film, a pore ratio of the second heat-sealable film being greater than that of the outer film.
摘要:
An IC testing apparatus has a detecting circuit for detecting an inversion of an output state of a test output from an IC under test in response to application of a clock signal, a comparing circuit for comparing a value preset in a storage circuit with the output state of the test output and an output state of the detecting circuit. In a first comparison operation, the number of pulses of the clock signal applied to the IC under test is less than the number of pulses required to invert the output state of the test output by one pulse and the test output and detector output are compared with corresponding values preset in the storage circuit at times coincident with a test strobe signal synchronized with the clock signal. In a second comparison operation, another clock pulse is applied to the IC under test to make the total number of pulses equal to that needed for inverting the test output and the above comparisons are again made with corresponding preset values. A control circuit the determines whether the IC under test is good based on the comparison results.
摘要:
Data recording device including a sampling device for sampling data to be recorded at a predetermined period, a permissible error range calculating device for calculating a permissible error range with respect to the data sampled by the sampling device at each sampling timing, and a recording device for deciding a longest straight line intersecting the permissible error range calculated by the permissible error range calculating device and recording a length of the straight line represented by a sampling number obtained by the sampling device and the data at an end point of the straight line, whereby compression processing of the data sampled is carried out, and the data compressed is recorded. The data recording device further includes a device for detecting an inflection point of the data sampled by the sampling device, wherein when the inflection point is detected by the inflection point detecting device, the compression processing is stopped.