Plastic article or earthenware shaping or treating: apparatus – Distinct means to feed – support or manipulate preform stock... – And means to apply stress to preform and uniting in stressed...
Patent
1974-11-04
1977-06-14
Spicer, Jr., Robert L.
Plastic article or earthenware shaping or treating: apparatus
Distinct means to feed, support or manipulate preform stock...
And means to apply stress to preform and uniting in stressed...
425114, 425122, 425126R, 425129R, 264251, 132 91, 249 97, B29F 100
Patent
active
040294536
ABSTRACT:
A method and apparatus for tensioning dental floss is disclosed for use in the molding of a tooth cleaning dental instrument including a bow-shaped member having a first end and a second end with dental floss tensioned between the ends. A suitable plastic-like material injection mold having cavities for the molding of the dental instrument and having line cavities for receiving the dental floss is used in conjunction with the apparatus of the present invention. Dental floss is supplied from suitable sources and directed by guide members to tensioning members including primary and secondary tensioning members. The secondary tensioning members provide supplemental tensioning of the dental floss during the cool down period after the injection of the plastic-like material into the mold. The dental floss is tensioned by primary tensioning members during the injection of the plastic-like material into the mold. Guide members are further provided to direct the dental floss into the line cavities of the mold, and a holding member is provided to hold the end of the dental floss in a stationary position on the opposite side of the mold from the tensioning members.
REFERENCES:
patent: 1970575 (1934-08-01), Reitzel
patent: 2180522 (1939-11-01), Henne
patent: 2443415 (1948-06-01), Buscarino
patent: 3097395 (1963-07-01), Yoshida
patent: 3769396 (1973-10-01), Espinosa
patent: 3783883 (1974-01-01), Alexander
patent: 3849042 (1974-11-01), Anderegg
patent: 3890077 (1975-06-01), Holman
patent: 3926201 (1975-12-01), Katz
Philmon & Hart Laboratories, Inc.
Spicer, Jr. Robert L.
LandOfFree
Molding apparatus for making a dental floss device with floss te does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Molding apparatus for making a dental floss device with floss te, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Molding apparatus for making a dental floss device with floss te will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-7657