Abstract: A coating amount is adjusted based on a result of the inspecting step, then the coating amount is not adjusted during a standby period (Wt) which is a time taken to transfer the film from a coating section (21) to an inspecting section (26), and then the coating amount is adjusted based on the result of the inspecting step after the standby period has elapsed. With the configuration, an amount of a coating layer on a film base material is stabilized.

Abstract: The present invention provides a method of airflow transportation of methionine that can minimize the crushing of methionine, which is characterized in that when methionine is transported as airflow using carrier gas, the flow state of methionine is a low concentration floating flow type, and the mixing ratio of methionine and carrier gas is in the range of 4 to 10 kg-methionine/kg-carrier gas. In the method of airflow transportation of methionine of the present invention, if the D50 of methionine is in the range of 150 to 425 ?m, the increase rate of the fine powder can be suppressed to 1.5% or less by maintaining the mixing ratio at 4 to 10 kg-methionine/kg-carrier gas, and can be suppressed to 1% or less by maintaining the mixing ratio at 5 to 10 kg-methionine/kg-carrier gas.

Abstract: The present invention provides a method of airflow transportation of methionine that can minimize the crushing of methionine, which is characterized in that when methionine is transported as airflow using carrier gas, the flow state of methionine is a low concentration floating flow type, and the mixing ratio of methionine and carrier gas is in the range of 4 to 10 kg-methionine/kg-carrier gas. In the method of airflow transportation of methionine of the present invention, if the D50 of methionine is in the range of 150 to 425 ?m, the increase rate of the fine powder can be suppressed to 1.5% or less by maintaining the mixing ratio at 4 to 10 kg-methionine/kg-carrier gas, and can be suppressed to 1% or less by maintaining the mixing ratio at 5 to 10 kg-methionine/kg-carrier gas.

Abstract: The present invention resolves a problem that occurs to a film which is being washed. A film production method of the present invention includes the steps of: (i) passing a heat-resistant separator above rollers located above a washing tank; (ii) lowering another roller into water through a space between the rollers; and (iii) moving at least one of the rollers and the another roller so as to increase a surface area by which the heat-resistant separator is in contact with the another roller.

Abstract: A transfer system includes an expander roll for removing a wrinkle in a separator original sheet, and (i) the expander roll and (ii) a transfer roller immediately followed by or following the expander roll are spaced from each other at a distance of not less than 1 m and not more than 10 m.

Abstract: The present invention resolves a problem that occurs to a film which is being washed. A film production method of the present invention includes the steps of: (i) passing a heat-resistant separator above rollers located above a washing tank; (ii) lowering another roller into water through a space between the rollers; and (iii) moving at least one of the rollers and the another roller so as to increase a surface area by which the heat-resistant separator is in contact with the another roller.

Abstract: A film production method includes the steps of: (i) passing a heat-resistant separator above rollers located above a washing tank; (ii) lowering another roller into water through a space between the rollers; and (iii) moving at least one of the rollers and the another roller so as to increase a surface area by which the heat-resistant separator is in contact with the another roller. The method resolves a problem that occurs to a film which is being washed.

Abstract: A transfer system includes an expander roll for removing a wrinkle in a separator original sheet, and (i) the expander roll and (ii) a transfer roller immediately followed by or following the expander roll are spaced from each other at a distance of not less than 1 m and not more than 10 m.

Abstract: Contamination of a washing liquid in a washing tank is suppressed at a downstream side of a path for transferring a film. A washing device includes a roller for transferring a heat-resistant separator from a washing tank to another washing tank. Two rollers contact one surface of the heat-resistant separator, and a remaining roller, between the two rollers, contacts the other surface of the heat-resistant separator. A washing liquid removed from the heat-resistant separator by the remaining roller returns to the washing tank.

Abstract: A coating amount is adjusted based on a result of the inspecting step, then the coating amount is not adjusted during a standby period (Wt) which is a time taken to transfer the film from a coating section (21) to an inspecting section (26), and then the coating amount is adjusted based on the result of the inspecting step after the standby period has elapsed. With the configuration, an amount of a coating layer on a film base material is stabilized.

Abstract: An unnecessary substance is removed from a film which is being washed, while problems that occur to the film being washed are resolved. A method for washing a film includes the steps of: (a) transferring a heat-resistant separator in a lengthwise direction so that the heat-resistant separator passes through washing water in a washing tank; and (b) upwardly or downwardly discharging the washing water which has been guided into the washing tank through an inner wall of the washing tank, which inner wall faces a widthwise end part of the heat-resistant separator.

Abstract: A film production method includes the steps of: (i) passing a heat-resistant separator above rollers located above a washing tank; (ii) lowering another roller into water through a space between the rollers; and (iii) moving at least one of the rollers and the another roller so as to increase a surface area by which the heat-resistant separator is in contact with the another roller. The method resolves a problem that occurs to a film which is being washed.