Method and apparatus for closing tubes
Номер патента: CA1103876A
Опубликовано: 30-06-1981
Автор(ы): Donald J. Greenspan
Принадлежит: Individual
Опубликовано: 30-06-1981
Автор(ы): Donald J. Greenspan
Принадлежит: Individual
Реферат: ABSTRACT OF THE DISCLOSURE A bottom in a tube having an open end is formed by heating the tube and a supporting mandrel and advancing a sleeve over the end of the tube which flares outwardly after heating so as to collapse the flared end. The collapsed end of the tube is closed by contacting the collapsed end with a mold which cooperates with the sleeve to form the bottom.
Target power transmission amount changing method and power transmitting apparatus for implementing same
Номер патента: US20230311700A1. Автор: Min Ho Shin. Владелец: Industry Academy Cooperation Foundation of Myongji University. Дата публикации: 2023-10-05.