Number | Name | Date | Kind |
---|---|---|---|
2933826 | Justus | Apr 1960 | |
3259176 | Rice et al. | Jul 1966 | |
3276516 | Japhet | Oct 1966 | |
3394555 | La Fleur | Jul 1968 | |
3511058 | Becker | May 1970 | |
3861459 | Koop | Jan 1975 | |
3875755 | Anderson et al. | Apr 1975 | |
4026035 | Dyer et al. | May 1977 | |
4033141 | Gustafsson | Jul 1977 | |
4041724 | Gustafsson | Aug 1977 | |
4091547 | Leigh | May 1978 | |
4118934 | Brola | Oct 1978 | |
4173125 | Bradshaw | Nov 1979 | |
4226089 | Barrow | Oct 1980 | |
4228660 | Grenier | Oct 1980 | |
4292809 | Bjorlund | Oct 1981 |
Entry |
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"Improved Profitability of Thermomechanical Pulping Using Computer Control and Effective Heat Recovery", A. Metsavirta et al., Tappi, Jul. 1980, vol. 63, No. 7, pp. 37-41. |
"New TMP Heat-Recovery System Lowers Energy Cost by up to 10%", V. Koponen, Pulp & Paper, Sep. 1978, pp. 142-146. |