Stirring of glass of high optical quality is effected by initiating forming of the glass, such as by the float process, at relatively high temperatures immediately after the glass has been stirred. Preferably, during and/or following the stirring operation contact between the molten glass and ceramic refractories is minimized. This is preferably accomplished by providing a layer of molten metal (e...

Stirring of glass of high optical quality is effected by initiating forming of the glass, such as by the float process, at relatively high temperatures immediately after the glass has been stirred. Preferably, during and/or following the stirring operation contact between the molten glass and ceramic refractories is minimized. This is preferably accomplished by providing a layer of molten metal (e...

PCT No. PCT/SE87/00615 Sec. 371 Date Apr. 6, 1989 Sec. 102(e) Date Apr. 6, 1989 PCT Filed Dec. 18, 1987 PCT Pub. No. WO88/05016 PCT Pub. Date Jul. 14, 1988.A number of pack units (3; 31), such as rolls of soft tissue paper or packs of nappies, etc., which are enclosed by a banderole-like pack sleeve (2). The invention enables a pack to be produced which is well suited to efficient manufacture and ...

PCT No. PCT/SE87/00615 Sec. 371 Date Apr. 6, 1989 Sec. 102(e) Date Apr. 6, 1989 PCT Filed Dec. 18, 1987 PCT Pub. No. WO88/05016 PCT Pub. Date Jul. 14, 1988.A number of pack units (3; 31), such as rolls of soft tissue paper or packs of nappies, etc., which are enclosed by a banderole-like pack sleeve (2). The invention enables a pack to be produced which is well suited to efficient manufacture and ...

The process includes measuring the box if required and determining the desired shaping of the box format. A number of sepg. walls (2) are cut, pref. from a roll of rigid standard plastics strips. The width of the walls depends upon the height of the box. The walls are fixed in relation to one another by coupling pieces (7,10) arranged at points of intersection between the walls by clamp unions hol...