Toshiba Kikai Kabushiki Kaisha

Hiromu Saijyo

Takayoshi Sano

Satoru Nitta

Yoshihisa Ikeda

Noriyuki Ohbuchi

A rail support device installed in a clip chain type sheet stretching apparatus configured to stretch a sheet includes a first rail support member, a second rail support member, and an arc shaped rail support member. The arc shaped rail support member is engaged with each of the connecting portions of the first and second rail support members to form a higher pair. The rail support device is symmetrical with respect to an intersection angle bisecting plane which is a plane developing in a vertical direction and including an intersection angle bisector.

Rail support device and sheet stretching method

A film stretching machine includes a clip chain for holding a lateral edge of a film and stretches the film while transporting the film with the clip chain holding the film and traveling, and includes an upper reference rail disposed at an upper side for guiding the clip chain; a lower reference rail disposed at a lower side for guiding the clip chain; a plurality of clips that constitutes the clip chain; an interval adjusting rail for adjusting intervals of the plurality of clips; and interval adjusting links that couple neighboring clips among the plurality of clips and contact with the interval adjusting rail to adjust the intervals of the plurality of clips. According to the film stretching machine, a stretch degree of a film can be adjusted with a simple configuration and little man-hours.

Film stretching machine and film stretching method

Clipping both right and left side edge parts of a sheet or film by right and left pitch-variable clips having flow-directional clip pitches variable along with travel movements, respectively, having positions (AR, AL) for initiation of enlargements of flow-directional clip pitches changed between right clips and left clips, and enlarging flow-directional clip pitches along with travel movements of clips to thereby make an oblique stretch.

Sheet or film oblique stretching method and sheet or film clipping stretcher

A clip support memberhas a first shaft membercantilevered by guide rollersandfor a guiding along a reference rail with a recessed channel, the clip support memberbeing provided with a sliderhaving a second shaft membercantilevered by guide rollersandfor a guiding along a pitch setting railwith a recessed channel, the clip support membersupporting a clipat an end thereof, where it has the first shaft member, whereto one end of a main link memberand one end of a sub-link memberare pivotally connected, to constitute a reference linkage at the clipend.

Sheet or film clipping stretcher

A clipis provided on a clip support member, and one end of a main link memberand one end of a sub-link memberare pivotally connected to a first shaft memberat the clipside of the clip support memberto constitute a reference linkage at the clipside.

Growing community of inventors

Sunto-gun, Japan

Hiromu Saijyo